{"cve": [{"lastseen": "2019-05-29T18:10:30", "bulletinFamily": "NVD", "description": "Microsoft Internet Explorer 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka \"HTML Element Memory Corruption Vulnerability.\"", "modified": "2019-02-26T14:04:00", "id": "CVE-2010-3345", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-3345", "published": "2010-12-16T19:33:00", "title": "CVE-2010-3345", "type": "cve", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2019-05-29T18:10:30", "bulletinFamily": "NVD", "description": "Microsoft Internet Explorer 6 and 7 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka \"HTML Object Memory Corruption Vulnerability.\"", "modified": "2019-02-26T14:04:00", "id": "CVE-2010-3340", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-3340", "published": "2010-12-16T19:33:00", "title": "CVE-2010-3340", "type": "cve", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2019-05-29T18:10:30", "bulletinFamily": "NVD", "description": "Microsoft Internet Explorer 6 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka \"HTML Object Memory Corruption Vulnerability.\"", "modified": "2019-02-26T14:04:00", "id": "CVE-2010-3343", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-3343", "published": "2010-12-16T19:33:00", "title": "CVE-2010-3343", "type": "cve", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2019-05-29T18:10:30", "bulletinFamily": "NVD", "description": "Microsoft Internet Explorer 6, 7, and 8 does not prevent rendering of cached content as HTML, which allows remote attackers to access content from a different (1) domain or (2) zone via unspecified script code, aka \"Cross-Domain Information Disclosure Vulnerability,\" a different vulnerability than CVE-2010-3348.", "modified": "2018-10-30T16:27:00", "id": "CVE-2010-3342", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-3342", "published": "2010-12-16T19:33:00", "title": "CVE-2010-3342", "type": "cve", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N"}}], "symantec": [{"lastseen": "2018-03-12T10:28:26", "bulletinFamily": "software", "description": "### Description\n\nMicrosoft Internet Explorer is prone to a cross-domain information-disclosure vulnerability because the application fails to properly enforce the same-origin policy. An attacker can exploit this issue to access content from a browser window in another domain or security zone. This may allow the attacker to obtain sensitive information or may aid in further attacks.\n\n### Technologies Affected\n\n * Avaya Aura Conferencing 6.0 Standard \n * Avaya CallPilot 4.0 \n * Avaya CallPilot 5.0 \n * Avaya CallPilot \n * Avaya Communication Server 1000 Telephony Manager 3.0 \n * Avaya Communication Server 1000 Telephony Manager 4.0 \n * Avaya Communication Server 1000 Telephony Manager \n * Avaya Meeting Exchange - Client Registration Server \n * Avaya Meeting Exchange - Recording Server \n * Avaya Meeting Exchange - Streaming Server \n * Avaya Meeting Exchange - Web Conferencing Server \n * Avaya Meeting Exchange - Webportal \n * Avaya Meeting Exchange 5.0 \n * Avaya Meeting Exchange 5.0 SP1 \n * Avaya Meeting Exchange 5.0.0.0.52 \n * Avaya Meeting Exchange 5.1 \n * Avaya Meeting Exchange 5.1 SP1 \n * Avaya Meeting Exchange 5.2 \n * Avaya Meeting Exchange 5.2 SP1 \n * Avaya Meeting Exchange 5.2 SP2 \n * Avaya Messaging Application Server 4 \n * Avaya Messaging Application Server 5.2 \n * Microsoft Internet Explorer 6.0 \n * Microsoft Internet Explorer 6.0 SP1 \n * Microsoft Internet Explorer 6.0 SP2 \n * Microsoft Internet Explorer 6.0 SP3 \n * Microsoft Internet Explorer 7.0 \n * Microsoft Internet Explorer 8 \n\n### Recommendations\n\n**Run all software as a nonprivileged user with minimal access rights.** \nWhen possible, run all software as a user with minimal privileges and limited access to system resources. Use additional precautions such as restrictive environments to insulate software that may potentially handle malicious content.\n\n**Deploy network intrusion detection systems to monitor network traffic for malicious activity.** \nDeploy NIDS to monitor network traffic for signs of anomalous or suspicious activity. This may indicate exploit attempts or activity that results from successful exploits.\n\n**Do not follow links provided by unknown or untrusted sources.** \nWeb users should be cautious about following links to sites that are provided by unfamiliar or suspicious sources. Filtering HTML from emails may help remove a possible vector for transmitting malicious links to users.\n\n**Set web browser security to disable the execution of script code or active content.** \nSince a successful exploit of this issue requires malicious code to execute in web clients, consider disabling support for script code and active content within the client browser. Note that this mitigation tactic might adversely affect legitimate websites that rely on the execution of browser-based script code.\n\nThe vendor has released an advisory and updates. Please see the references for details.\n", "modified": "2010-12-14T00:00:00", "published": "2010-12-14T00:00:00", "id": "SMNTC-45256", "href": "https://www.symantec.com/content/symantec/english/en/security-center/vulnerabilities/writeup.html/45256", "type": "symantec", "title": "Microsoft Internet Explorer CVE-2010-3342 Cross Domain Information Disclosure Vulnerability", "cvss": {"score": 4.3, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:PARTIAL/I:NONE/A:NONE/"}}, {"lastseen": "2018-03-14T22:39:18", "bulletinFamily": "software", "description": "### Description\n\nMicrosoft Internet Explorer is prone to a remote memory-corruption vulnerability. Successful exploits will allow an attacker to run arbitrary code in the context of the user running the application. Failed attacks will cause denial-of-service conditions.\n\n### Technologies Affected\n\n * Avaya Aura Conferencing 6.0 Standard \n * Avaya CallPilot 4.0 \n * Avaya CallPilot 5.0 \n * Avaya CallPilot \n * Avaya Communication Server 1000 Telephony Manager 3.0 \n * Avaya Communication Server 1000 Telephony Manager 4.0 \n * Avaya Communication Server 1000 Telephony Manager \n * Avaya Meeting Exchange - Client Registration Server \n * Avaya Meeting Exchange - Recording Server \n * Avaya Meeting Exchange - Streaming Server \n * Avaya Meeting Exchange - Web Conferencing Server \n * Avaya Meeting Exchange - Webportal \n * Avaya Meeting Exchange 5.0 \n * Avaya Meeting Exchange 5.0 SP1 \n * Avaya Meeting Exchange 5.0.0.0.52 \n * Avaya Meeting Exchange 5.1 \n * Avaya Meeting Exchange 5.1 SP1 \n * Avaya Meeting Exchange 5.2 \n * Avaya Meeting Exchange 5.2 SP1 \n * Avaya Meeting Exchange 5.2 SP2 \n * Avaya Messaging Application Server 4 \n * Avaya Messaging Application Server 5.2 \n * Microsoft Internet Explorer 6.0 \n * Microsoft Internet Explorer 6.0 SP1 \n * Microsoft Internet Explorer 6.0 SP2 \n * Microsoft Internet Explorer 6.0 SP3 \n\n### Recommendations\n\n**Run all software as a nonprivileged user with minimal access rights.** \nTo reduce the impact of latent vulnerabilities, always run nonadministrative software as an unprivileged user with minimal access rights.\n\n**Deploy network intrusion detection systems to monitor network traffic for malicious activity.** \nDeploy NIDS to monitor network traffic for signs of anomalous or suspicious activity. This includes but is not limited to requests that include NOP sleds and unexplained incoming and outgoing traffic. This may indicate exploit attempts or activity that results from successful exploits.\n\n**Do not accept or execute files from untrusted or unknown sources.** \nExercise caution when handling files received from unfamiliar or suspicious sources.\n\n**Do not follow links provided by unknown or untrusted sources.** \nWeb users should be cautious about following links to sites that are provided by unfamiliar or suspicious sources. Filtering HTML from emails may help remove a possible vector for transmitting malicious links to users.\n\n**Set web browser security to disable the execution of script code or active content.** \nSince a successful exploit of these issues requires malicious code to execute in web clients, consider disabling support for script code and active content within the client browser. Note that this mitigation tactic might adversely affect legitimate websites that rely on the execution of browser-based script code.\n\n**Implement multiple redundant layers of security.** \nVarious memory-protection schemes (such as nonexecutable and randomly mapped memory segments) may hinder an attacker's ability to exploit this vulnerability to execute arbitrary code.\n\nThe vendor has released an advisory and updates. Please see the references for details.\n", "modified": "2010-12-14T00:00:00", "published": "2010-12-14T00:00:00", "id": "SMNTC-45259", "href": "https://www.symantec.com/content/symantec/english/en/security-center/vulnerabilities/writeup.html/45259", "type": "symantec", "title": "Microsoft Internet Explorer Uninitialized Object CVE-2010-3343 Memory Corruption Vulnerability", "cvss": {"score": 9.3, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}, {"lastseen": "2018-03-14T22:40:44", "bulletinFamily": "software", "description": "### Description\n\nMicrosoft Internet Explorer is prone to a remote memory-corruption vulnerability. Successful exploits will allow an attacker to run arbitrary code in the context of the user running the application. Failed attacks will cause denial-of-service conditions.\n\n### Technologies Affected\n\n * Avaya Aura Conferencing 6.0 Standard \n * Avaya CallPilot 4.0 \n * Avaya CallPilot 5.0 \n * Avaya CallPilot \n * Avaya Communication Server 1000 Telephony Manager 3.0 \n * Avaya Communication Server 1000 Telephony Manager 4.0 \n * Avaya Communication Server 1000 Telephony Manager \n * Avaya Meeting Exchange - Client Registration Server \n * Avaya Meeting Exchange - Recording Server \n * Avaya Meeting Exchange - Streaming Server \n * Avaya Meeting Exchange - Web Conferencing Server \n * Avaya Meeting Exchange - Webportal \n * Avaya Meeting Exchange 5.0 \n * Avaya Meeting Exchange 5.0 SP1 \n * Avaya Meeting Exchange 5.0.0.0.52 \n * Avaya Meeting Exchange 5.1 \n * Avaya Meeting Exchange 5.1 SP1 \n * Avaya Meeting Exchange 5.2 \n * Avaya Meeting Exchange 5.2 SP1 \n * Avaya Meeting Exchange 5.2 SP2 \n * Avaya Messaging Application Server 4 \n * Avaya Messaging Application Server 5.2 \n * Microsoft Internet Explorer 6.0 \n * Microsoft Internet Explorer 6.0 SP1 \n * Microsoft Internet Explorer 6.0 SP2 \n * Microsoft Internet Explorer 7.0 \n\n### Recommendations\n\n**Run all software as a nonprivileged user with minimal access rights.** \nTo reduce the impact of latent vulnerabilities, always run nonadministrative software as an unprivileged user with minimal access rights.\n\n**Deploy network intrusion detection systems to monitor network traffic for malicious activity.** \nDeploy NIDS to monitor network traffic for signs of anomalous or suspicious activity. This includes but is not limited to requests that include NOP sleds and unexplained incoming and outgoing traffic. This may indicate exploit attempts or activity that results from successful exploits.\n\n**Do not accept or execute files from untrusted or unknown sources.** \nExercise caution when handling files received from unfamiliar or suspicious sources.\n\n**Do not follow links provided by unknown or untrusted sources.** \nWeb users should be cautious about following links to sites that are provided by unfamiliar or suspicious sources. Filtering HTML from emails may help remove a possible vector for transmitting malicious links to users.\n\n**Set web browser security to disable the execution of script code or active content.** \nSince a successful exploit of these issues requires malicious code to execute in web clients, consider disabling support for script code and active content within the client browser. Note that this mitigation tactic might adversely affect legitimate websites that rely on the execution of browser-based script code.\n\n**Implement multiple redundant layers of security.** \nVarious memory-protection schemes (such as nonexecutable and randomly mapped memory segments) may hinder an attacker's ability to exploit this vulnerability to execute arbitrary code.\n\nThe vendor has released an advisory and updates. Please see the references for details.\n", "modified": "2010-12-14T00:00:00", "published": "2010-12-14T00:00:00", "id": "SMNTC-45255", "href": "https://www.symantec.com/content/symantec/english/en/security-center/vulnerabilities/writeup.html/45255", "type": "symantec", "title": "Microsoft Internet Explorer Uninitialized Object CVE-2010-3340 Memory Corruption Vulnerability", "cvss": {"score": 9.3, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}], "openvas": [{"lastseen": "2019-05-29T18:40:13", "bulletinFamily": "scanner", "description": "This host is missing a critical security update according to\n Microsoft Bulletin MS10-090.", "modified": "2019-05-03T00:00:00", "published": "2010-12-15T00:00:00", "id": "OPENVAS:1361412562310900262", "href": "http://plugins.openvas.org/nasl.php?oid=1361412562310900262", "title": "Microsoft Internet Explorer Multiple Vulnerabilities (2416400)", "type": "openvas", "sourceData": "###############################################################################\n# OpenVAS Vulnerability Test\n#\n# Microsoft Internet Explorer Multiple Vulnerabilities (2416400)\n#\n# Authors:\n# Veerendra GG <veerendragg@secpod.com>\n#\n# Copyright:\n# Copyright (c) 2010 SecPod, http://www.secpod.com\n#\n# This program is free software; you can redistribute it and/or modify\n# it under the terms of the GNU General Public License version 2\n# (or any later version), as published by the Free Software Foundation.\n#\n# This program is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n###############################################################################\n\nif(description)\n{\n script_oid(\"1.3.6.1.4.1.25623.1.0.900262\");\n script_version(\"2019-05-03T10:54:50+0000\");\n script_tag(name:\"last_modification\", value:\"2019-05-03 10:54:50 +0000 (Fri, 03 May 2019)\");\n script_tag(name:\"creation_date\", value:\"2010-12-15 14:53:45 +0100 (Wed, 15 Dec 2010)\");\n script_cve_id(\"CVE-2010-3340\", \"CVE-2010-3342\", \"CVE-2010-3343\",\n \"CVE-2010-3345\", \"CVE-2010-3346\", \"CVE-2010-3348\",\n \"CVE-2010-3962\");\n script_bugtraq_id(45255, 45256, 45263, 44536);\n script_tag(name:\"cvss_base\", value:\"9.3\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:N/AC:M/Au:N/C:C/I:C/A:C\");\n script_name(\"Microsoft Internet Explorer Multiple Vulnerabilities (2416400)\");\n script_xref(name:\"URL\", value:\"http://support.microsoft.com/kb/2416400\");\n script_xref(name:\"URL\", value:\"http://www.microsoft.com/technet/security/bulletin/MS10-090.mspx\");\n\n script_category(ACT_GATHER_INFO);\n script_copyright(\"Copyright (C) 2010 SecPod\");\n script_family(\"Windows : Microsoft Bulletins\");\n script_dependencies(\"gb_ms_ie_detect.nasl\");\n script_mandatory_keys(\"MS/IE/Version\");\n script_require_ports(139, 445);\n\n script_tag(name:\"impact\", value:\"Successful exploitation could allow remote attackers to execute arbitrary\n code in the context of the logged-on user and potentially bypassing Internet\n Explorer domain restriction.\");\n script_tag(name:\"affected\", value:\"Microsoft Internet Explorer version 6.x/7.x/8.x\");\n script_tag(name:\"insight\", value:\"- An error occurs when IE attempts to access incorrectly initialized memory\n under certain conditions, causing memory corruption in such a way that an\n attacker could execute arbitrary code.\n\n - An error occurs when IE caches data and incorrectly allows the cached\n content to be rendered as HTML, potentially bypassing Internet Explorer\n domain restriction.\n\n - An error occurs when IE attempts to access an object that has not been\n initialized or has been deleted, causing memory corruption in such a way\n that an attacker could execute arbitrary code in the context of the\n logged-on user.\");\n script_tag(name:\"summary\", value:\"This host is missing a critical security update according to\n Microsoft Bulletin MS10-090.\");\n script_tag(name:\"solution\", value:\"The vendor has released updates. 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hotfix_check_fversion_end();\n exit(0);\n}\nelse\n{\n hotfix_check_fversion_end();\n audit(AUDIT_HOST_NOT, 'affected');\n}\n", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "securityvulns": [{"lastseen": "2018-08-31T11:10:38", "bulletinFamily": "software", "description": "Microsoft Security Bulletin MS10-090 - Critical\r\nCumulative Security Update for Internet Explorer (2416400)\r\nPublished: December 14, 2010\r\n\r\nVersion: 1.0\r\nGeneral Information\r\nExecutive Summary\r\n\r\nThis security update resolves four privately reported vulnerabilities and three publicly disclosed vulnerabilities in Internet Explorer. The most severe vulnerabilities could allow remote code execution if a user views a specially crafted Web page using Internet Explorer. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.\r\n\r\nThis security update is rated Critical for Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8. For more information, see the subsection, Affected and Non-Affected Software, in this section.\r\n\r\nThe security update addresses the vulnerabilities by modifying the way that Internet Explorer handles objects in memory and script during certain processes. For more information about the vulnerabilities, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information.\r\n\r\nThis security update also addresses the vulnerability first described in Microsoft Security Advisory 2458511.\r\n\r\nRecommendation. The majority of customers have automatic updating enabled and will not need to take any action because this security update will be downloaded and installed automatically. Customers who have not enabled automatic updating need to check for updates and install this update manually. For information about specific configuration options in automatic updating, see Microsoft Knowledge Base Article 294871.\r\n\r\nFor administrators and enterprise installations, or end users who want to install this security update manually, Microsoft recommends that customers apply the update immediately using update management software, or by checking for updates using the Microsoft Update service.\r\n\r\nSee also the section, Detection and Deployment Tools and Guidance, later in this bulletin.\r\n\r\nKnown Issues. Microsoft Knowledge Base Article 2416400 documents the currently known issues that customers may experience when installing this security update. The article also documents recommended solutions for these issues.\r\nTop of sectionTop of section\r\nAffected and Non-Affected Software\r\n\r\nThe following software have been tested to determine which versions or editions are affected. Other versions or editions are either past their support life cycle or are not affected. To determine the support life cycle for your software version or edition, visit Microsoft Support Lifecycle.\r\n\r\nAffected Software\r\nOperating System\tComponent\tMaximum Security Impact\tAggregate Severity Rating\tBulletins Replaced by This Update\r\nInternet Explorer 6\t \t \t \t \r\n\r\nWindows XP Service Pack 3\r\n\t\r\n\r\nInternet Explorer 6\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows XP Professional x64 Edition Service Pack 2\r\n\t\r\n\r\nInternet Explorer 6\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Server 2003 Service Pack 2\r\n\t\r\n\r\nInternet Explorer 6\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Server 2003 x64 Edition Service Pack 2\r\n\t\r\n\r\nInternet Explorer 6\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Server 2003 with SP2 for Itanium-based Systems\r\n\t\r\n\r\nInternet Explorer 6\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\nInternet Explorer 7\t \t \t \t \r\n\r\nWindows XP Service Pack 3\r\n\t\r\n\r\nInternet Explorer 7\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows XP Professional x64 Edition Service Pack 2\r\n\t\r\n\r\nInternet Explorer 7\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Server 2003 Service Pack 2\r\n\t\r\n\r\nInternet Explorer 7\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Server 2003 x64 Edition Service Pack 2\r\n\t\r\n\r\nInternet Explorer 7\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Server 2003 with SP2 for Itanium-based Systems\r\n\t\r\n\r\nInternet Explorer 7\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Vista Service Pack 1 and Windows Vista Service Pack 2\r\n\t\r\n\r\nInternet Explorer 7\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Vista x64 Edition Service Pack 1 and Windows Vista x64 Edition Service Pack 2\r\n\t\r\n\r\nInternet Explorer 7\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit Systems Service Pack 2\r\n\t\r\n\r\nInternet Explorer 7**\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Server 2008 for x64-based Systems and Windows Server 2008 for x64-based Systems Service Pack 2\r\n\t\r\n\r\nInternet Explorer 7**\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Server 2008 for Itanium-based Systems and Windows Server 2008 for Itanium-based Systems Service Pack 2\r\n\t\r\n\r\nInternet Explorer 7\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\nInternet Explorer 8\t \t \t \t \r\n\r\nWindows XP Service Pack 3\r\n\t\r\n\r\nInternet Explorer 8\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows XP Professional x64 Edition Service Pack 2\r\n\t\r\n\r\nInternet Explorer 8\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Server 2003 Service Pack 2\r\n\t\r\n\r\nInternet Explorer 8\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Server 2003 x64 Edition Service Pack 2\r\n\t\r\n\r\nInternet Explorer 8\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Vista Service Pack 1 and Windows Vista Service Pack 2\r\n\t\r\n\r\nInternet Explorer 8\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Vista x64 Edition Service Pack 1 and Windows Vista x64 Edition Service Pack 2\r\n\t\r\n\r\nInternet Explorer 8\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit Systems Service Pack 2\r\n\t\r\n\r\nInternet Explorer 8**\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Server 2008 for x64-based Systems and Windows Server 2008 for x64-based Systems Service Pack 2\r\n\t\r\n\r\nInternet Explorer 8**\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows 7 for 32-bit Systems\r\n\t\r\n\r\nInternet Explorer 8\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows 7 for x64-based Systems\r\n\t\r\n\r\nInternet Explorer 8\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Server 2008 R2 for x64-based Systems\r\n\t\r\n\r\nInternet Explorer 8**\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\nWindows Server 2008 R2 for Itanium-based Systems\r\n\t\r\n\r\nInternet Explorer 8\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nMS10-071\r\n\r\n**Server Core installation not affected. The vulnerabilities addressed by this update do not affect supported editions of Windows Server 2008 or Windows Server 2008 R2 as indicated, when installed using the Server Core installation option. For more information on this installation option, see the TechNet articles, Managing a Server Core Installation and Servicing a Server Core Installation. Note that the Server Core installation option does not apply to certain editions of Windows Server 2008 and Windows Server 2008 R2; see Compare Server Core Installation Options.\r\nTop of sectionTop of section\r\n\t\r\nFrequently Asked Questions (FAQ) Related to This Security Update\r\n\r\nWhere are the file information details? \r\nRefer to the reference tables in the Security Update Deployment section for the location of the file information details.\r\n\r\nHow are the Windows 7 Service Pack 1 Beta and Windows Server 2008 R2 Service Pack 1 Beta releases affected by these vulnerabilities? \r\nWindows 7 Service Pack 1 Beta and Windows Server 2008 R2 Service Pack 1 Beta are affected by the vulnerabilities described in this bulletin. Customers running these beta releases are encouraged to download and apply the update to their systems. Security updates are available from Microsoft Update and Windows Update. The security update is also available for download from the Microsoft Download Center.\r\n\r\nIs Internet Explorer 9 Beta affected by these vulnerabilities? \r\nNo. Internet Explorer 9 Beta is not affected by the vulnerabilities described in this bulletin.\r\n\r\nDoes this update contain any security-related changes to functionality? \r\nThis update includes a defense-in-depth update to help improve cross-domain security in Internet Explorer.\r\n\r\nWhat is defense-in-depth? \r\nIn information security, defense-in-depth refers to an approach in which multiple layers of defense are in place to help prevent attackers from compromising the security of a network or system.\r\n\r\nWhy does this update address several reported security vulnerabilities? \r\nThis update contains support for several vulnerabilities because the modifications that are required to address these issues are located in related files. Instead of having to install several updates that are almost the same, customers need to install this update only.\r\n\r\nI am using an older release of the software discussed in this security bulletin. What should I do? \r\nThe affected software listed in this bulletin have been tested to determine which releases are affected. Other releases are past their support life cycle. For more information about the product lifecycle, visit the Microsoft Support Lifecycle Web site.\r\n\r\nIt should be a priority for customers who have older releases of the software to migrate to supported releases to prevent potential exposure to vulnerabilities. To determine the support lifecycle for your software release, see Select a Product for Lifecycle Information. For more information about service packs for these software releases, see Lifecycle Supported Service Packs.\r\n\r\nCustomers who require custom support for older software must contact their Microsoft account team representative, their Technical Account Manager, or the appropriate Microsoft partner representative for custom support options. Customers without an Alliance, Premier, or Authorized Contract can contact their local Microsoft sales office. For contact information, visit the Microsoft Worldwide Information Web site, select the country in the Contact Information list, and then click Go to see a list of telephone numbers. When you call, ask to speak with the local Premier Support sales manager. For more information, see the Microsoft Support Lifecycle Policy FAQ.\r\nTop of sectionTop of section\r\nVulnerability Information\r\n\t\r\nSeverity Ratings and Vulnerability Identifiers\r\n\r\nThe following severity ratings assume the potential maximum impact of the vulnerability. For information regarding the likelihood, within 30 days of this security bulletin's release, of the exploitability of the vulnerability in relation to its severity rating and security impact, please see the Exploitability Index in the December bulletin summary. For more information, see Microsoft Exploitability Index.\r\nVulnerability Severity Rating and Maximum Security Impact by Affected Software\r\nAffected Software\tHTML Object Memory Corruption Vulnerability - CVE-2010-3340\tCross-Domain Information Disclosure Vulnerability - CVE-2010-3342\tHTML Object Memory Corruption Vulnerability - CVE-2010-3343\tHTML Element Memory Corruption Vulnerability - CVE-2010-3345\tHTML Element Memory Corruption Vulnerability - CVE-2010-3346\tCross-Domain Information Disclosure Vulnerability - CVE-2010-3348\tUninitialized Memory Corruption Vulnerability - CVE-2010-3962\tAggregate Severity Rating\r\nInternet Explorer 6\t \t \t \t \t \t \t \t \r\n\r\nInternet Explorer 6 for Windows XP Service Pack 3\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 6 for Windows XP Professional x64 Edition Service Pack 2\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 6 for Windows Server 2003 Service Pack 2\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 6 for Windows Server 2003 x64 Edition Service Pack 2\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 6 for Windows Server 2003 with SP2 for Itanium-based Systems\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\nInternet Explorer 7\t \t \t \t \t \t \t \t \r\n\r\nInternet Explorer 7 for Windows XP Service Pack 3\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 7 for Windows XP Professional x64 Edition Service Pack 2\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 7 for Windows Server 2003 Service Pack 2\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 7 for Windows Server 2003 x64 Edition Service Pack 2\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 7 for Windows Server 2003 with SP2 for Itanium-based Systems\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 7 in Windows Vista Service Pack 1 and Windows Vista Service Pack 2\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 7 in Windows Vista x64 Edition Service Pack 1 and Windows Vista x64 Edition Service Pack 2\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 7 in Windows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit Systems Service Pack 2**\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 7 in Windows Server 2008 for x64-based Systems and Windows Server 2008 for x64-based Systems Service Pack 2**\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 7 in Windows Server 2008 for Itanium-based Systems and Windows Server 2008 for Itanium-based Systems Service Pack 2\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\nInternet Explorer 8\t \t \t \t \t \t \t \t \r\n\r\nInternet Explorer 8 for Windows XP Service Pack 3\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 8 for Windows XP Professional x64 Edition Service Pack 2\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 8 for Windows Server 2003 Service Pack 2\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 8 for Windows Server 2003 x64 Edition Service Pack 2\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 8 in Vista Service Pack 1 and Windows Vista Service Pack 2\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 8 in Windows Vista x64 Edition Service Pack 1 and Windows Vista x64 Edition Service Pack 2\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 8 in Windows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit Systems Service Pack 2**\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 8 in Windows Server 2008 for x64-based Systems and Windows Server 2008 for x64-based Systems Service Pack 2**\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 8 in Windows 7 for 32-bit Systems\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 8 in Windows 7 for x64-based Systems\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 8 in Windows Server 2008 R2 for x64-based Systems**\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\nInternet Explorer 8 in Windows Server 2008 R2 for Itanium-based Systems\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nNo severity rating[1]\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nRemote Code Execution\r\n\t\r\n\r\nModerate \r\nInformation Disclosure\r\n\t\r\n\r\nCritical \r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\r\n**Server Core installation not affected. The vulnerabilities addressed by this update do not affect supported editions of Windows Server 2008 or Windows Server 2008 R2 as indicated, when installed using the Server Core installation option. For more information on this installation option, see the TechNet articles, Managing a Server Core Installation and Servicing a Server Core Installation. Note that the Server Core installation option does not apply to certain editions of Windows Server 2008 and Windows Server 2008 R2; see Compare Server Core Installation Options.\r\n\r\n[1]Severity ratings do not apply to this update because the vulnerability discussed in this bulletin does not affect this software. However, as a defense-in-depth measure to protect against any possible new vectors identified in the future, Microsoft recommends that customers of this software apply this security update.\r\nTop of sectionTop of section\r\n\t\r\nHTML Object Memory Corruption Vulnerability - CVE-2010-3340\r\n\r\nA remote code execution vulnerability exists in the way that Internet Explorer accesses an object that has not been correctly initialized or has been deleted. An attacker could exploit the vulnerability by constructing a specially crafted Web page. When a user views the Web page, the vulnerability could allow remote code execution. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged-on user. If a user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.\r\n\r\nTo view this vulnerability as a standard entry in the Common Vulnerabilities and Exposures list, see CVE-2010-3340.\r\n\t\r\nMitigating Factors for HTML Object Memory Corruption Vulnerability - CVE-2010-3340\r\n\r\nMitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability. The following mitigating factors may be helpful in your situation:\r\n\u2022\t\r\n\r\nAn attacker who successfully exploited this vulnerability could gain the same user rights as the local user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.\r\n\u2022\t\r\n\r\nIn a Web-based attack scenario, an attacker could host a Web site that contains a Web page that is used to exploit this vulnerability. In addition, compromised Web sites and Web sites that accept or host user-provided content or advertisements could contain specially crafted content that could exploit this vulnerability. In all cases, however, an attacker would have no way to force users to visit these Web sites. Instead, an attacker would have to convince users to visit the Web site, typically by getting them to click a link in an e-mail message or Instant Messenger message that takes users to the attacker's Web site.\r\n\u2022\t\r\n\r\nBy default, all supported versions of Microsoft Outlook, Microsoft Outlook Express, and Windows Mail open HTML e-mail messages in the Restricted sites zone, which disables script and ActiveX controls, removing the risk of an attacker being able to use this vulnerability to execute malicious code. If a user clicks a link in an e-mail message, the user could still be vulnerable to exploitation of this vulnerability through the Web-based attack scenario.\r\n\u2022\t\r\n\r\nBy default, Internet Explorer on Windows Server 2003 and Windows Server 2008 runs in a restricted mode that is known as Enhanced Security Configuration. This mode sets the security level for the Internet zone to High. This is a mitigating factor for Web sites that you have not added to the Internet Explorer Trusted sites zone. See the FAQ subsection of this vulnerability section for more information about Internet Explorer Enhanced Security Configuration.\r\nTop of sectionTop of section\r\n\t\r\nWorkarounds for HTML Object Memory Corruption Vulnerability - CVE-2010-3340\r\n\r\nWorkaround refers to a setting or configuration change that does not correct the underlying vulnerability but would help block known attack vectors before you apply the update. Microsoft has tested the following workarounds and states in the discussion whether a workaround reduces functionality:\r\n\u2022\t\r\n\r\nSet Internet and Local intranet security zone settings to "High" to block ActiveX Controls and Active Scripting in these zones\r\n\r\nYou can help protect against exploitation of this vulnerability by changing your settings for the Internet security zone to block ActiveX controls and Active Scripting. You can do this by setting your browser security to High.\r\n\r\nTo raise the browsing security level in Internet Explorer, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nOn the Internet Explorer Tools menu, click Internet Options.\r\n\r\n2.\r\n\t\r\n\r\nIn the Internet Options dialog box, click the Security tab, and then click the Internet icon.\r\n\r\n3.\r\n\t\r\n\r\nUnder Security level for this zone, move the slider to High. This sets the security level for all Web sites you visit to High.\r\n\r\nNote If no slider is visible, click Default Level, and then move the slider to High.\r\n\r\nNote Setting the level to High may cause some Web sites to work incorrectly. If you have difficulty using a Web site after you change this setting, and you are sure the site is safe to use, you can add that site to your list of trusted sites. This will allow the site to work correctly even with the security setting set to High.\r\n\r\nImpact of workaround. There are side effects to blocking ActiveX Controls and Active Scripting. Many Web sites that are on the Internet or on an intranet use ActiveX or Active Scripting to provide additional functionality. For example, an online e-commerce site or banking site may use ActiveX Controls to provide menus, ordering forms, or even account statements. Blocking ActiveX Controls or Active Scripting is a global setting that affects all Internet and intranet sites. If you do not want to block ActiveX Controls or Active Scripting for such sites, use the steps outlined in "Add sites that you trust to the Internet Explorer Trusted sites zone".\r\n\r\nAdd sites that you trust to the Internet Explorer Trusted sites zone\r\n\r\nAfter you set Internet Explorer to block ActiveX controls and Active Scripting in the Internet zone and in the Local intranet zone, you can add sites that you trust to the Internet Explorer Trusted sites zone. This will allow you to continue to use trusted Web sites exactly as you do today, while helping to protect yourself from this attack on untrusted sites. We recommend that you add only sites that you trust to the Trusted sites zone.\r\n\r\nTo do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Tools, click Internet Options, and then click the Security tab.\r\n\r\n2.\r\n\t\r\n\r\nIn the Select a Web content zone to specify its current security settings box, click Trusted Sites, and then click Sites.\r\n\r\n3.\r\n\t\r\n\r\nIf you want to add sites that do not require an encrypted channel, click to clear the Require server verification (https:) for all sites in this zone check box.\r\n\r\n4.\r\n\t\r\n\r\nIn the Add this Web site to the zone box, type the URL of a site that you trust, and then click Add.\r\n\r\n5.\r\n\t\r\n\r\nRepeat these steps for each site that you want to add to the zone.\r\n\r\n6.\r\n\t\r\n\r\nClick OK two times to accept the changes and return to Internet Explorer.\r\n\r\nNote Add any sites that you trust not to take malicious action on your system. Two in particular that you may want to add are *.windowsupdate.microsoft.com and *.update.microsoft.com. These are the sites that will host the update, and it requires an ActiveX Control to install the update.\r\n\u2022\t\r\n\r\nConfigure Internet Explorer to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zone\r\n\r\nYou can help protect against exploitation of this vulnerability by changing your settings to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zone. To do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Internet Options on the Tools menu.\r\n\r\n2.\r\n\t\r\n\r\nClick the Security tab.\r\n\r\n3.\r\n\t\r\n\r\nClick Internet, and then click Custom Level.\r\n\r\n4.\r\n\t\r\n\r\nUnder Settings, in the Scripting section, under Active Scripting, click Prompt or Disable, and then click OK.\r\n\r\n5.\r\n\t\r\n\r\nClick Local intranet, and then click Custom Level.\r\n\r\n6.\r\n\t\r\n\r\nUnder Settings, in the Scripting section, under Active Scripting, click Prompt or Disable, and then click OK.\r\n\r\n7.\r\n\t\r\n\r\nClick OK two times to return to Internet Explorer.\r\n\r\nNote Disabling Active Scripting in the Internet and Local intranet security zones may cause some Web sites to work incorrectly. If you have difficulty using a Web site after you change this setting, and you are sure the site is safe to use, you can add that site to your list of trusted sites. This will allow the site to work correctly.\r\n\r\nImpact of workaround. There are side effects to prompting before running Active Scripting. Many Web sites that are on the Internet or on an intranet use Active Scripting to provide additional functionality. For example, an online e-commerce site or banking site may use Active Scripting to provide menus, ordering forms, or even account statements. Prompting before running Active Scripting is a global setting that affects all Internet and intranet sites. You will be prompted frequently when you enable this workaround. For each prompt, if you feel you trust the site that you are visiting, click Yes to run Active Scripting. If you do not want to be prompted for all these sites, use the steps outlined in "Add sites that you trust to the Internet Explorer Trusted sites zone".\r\n\r\nAdd sites that you trust to the Internet Explorer Trusted sites zone\r\n\r\nAfter you set Internet Explorer to require a prompt before it runs ActiveX controls and Active Scripting in the Internet zone and in the Local intranet zone, you can add sites that you trust to the Internet Explorer Trusted sites zone. This will allow you to continue to use trusted Web sites exactly as you do today, while helping to protect you from this attack on untrusted sites. We recommend that you add only sites that you trust to the Trusted sites zone.\r\n\r\nTo do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Tools, click Internet Options, and then click the Security tab.\r\n\r\n2.\r\n\t\r\n\r\nIn the Select a Web content zone to specify its current security settings box, click Trusted Sites, and then click Sites.\r\n\r\n3.\r\n\t\r\n\r\nIf you want to add sites that do not require an encrypted channel, click to clear the Require server verification (https:) for all sites in this zone check box.\r\n\r\n4.\r\n\t\r\n\r\nIn the Add this Web site to the zone box, type the URL of a site that you trust, and then click Add.\r\n\r\n5.\r\n\t\r\n\r\nRepeat these steps for each site that you want to add to the zone.\r\n\r\n6.\r\n\t\r\n\r\nClick OK two times to accept the changes and return to Internet Explorer.\r\n\r\nNote Add any sites that you trust not to take malicious action on your system. Two in particular that you may want to add are *.windowsupdate.microsoft.com and *.update.microsoft.com. These are the sites that will host the update, and it requires an ActiveX Control to install the update.\r\nTop of sectionTop of section\r\n\t\r\nFAQ for HTML Object Memory Corruption Vulnerability - CVE-2010-3340\r\n\r\nWhat is the scope of the vulnerability? \r\nThis is a remote code execution vulnerability. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged-on user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.\r\n\r\nWhat causes the vulnerability? \r\nWhen Internet Explorer attempts to access incorrectly initialized memory under certain conditions, it may corrupt memory in such a way that an attacker could execute arbitrary code.\r\n\r\nWhat might an attacker use the vulnerability to do? \r\nAn attacker who successfully exploited this vulnerability could gain the same user rights as a logged-on user. If the user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.\r\n\r\nHow could an attacker exploit the vulnerability? \r\nAn attacker could host a specially crafted Web site that is designed to exploit this vulnerability through Internet Explorer and then convince a user to view the Web site. The attacker could also take advantage of compromised Web sites and Web sites that accept or host user-provided content or advertisements. These Web sites could contain specially crafted content that could exploit this vulnerability. In all cases, however, an attacker would have no way to force users to visit these Web sites. Instead, an attacker would have to convince users to visit the Web site, typically by getting them to click a link in an e-mail message or in an Instant Messenger message that takes users to the attacker's Web site. It could also be possible to display specially crafted Web content by using banner advertisements or by using other methods to deliver Web content to affected systems.\r\n\r\nWhat systems are primarily at risk from the vulnerability? \r\nThis vulnerability requires that a user be logged on and visiting a Web site for any malicious action to occur. Therefore, any systems where Internet Explorer is used frequently, such as workstations or terminal servers, are at the most risk from this vulnerability.\r\n\r\nI am running Internet Explorer for Windows Server 2003 or Windows Server 2008. Does this mitigate this vulnerability? \r\nYes. By default, Internet Explorer on Windows Server 2003 and Windows Server 2008 runs in a restricted mode that is known as Enhanced Security Configuration. Enhanced Security Configuration is a group of preconfigured settings in Internet Explorer that can reduce the likelihood of a user or administrator downloading and running specially crafted Web content on a server. This is a mitigating factor for Web sites that you have not added to the Internet Explorer Trusted sites zone. See also Managing Internet Explorer Enhanced Security Configuration.\r\n\r\nWhat does the update do? \r\nThe update addresses the vulnerability by modifying the way that Internet Explorer handles objects in memory.\r\n\r\nWhen this security bulletin was issued, had this vulnerability been publicly disclosed? \r\nNo. Microsoft received information about this vulnerability through coordinated vulnerability disclosure.\r\n\r\nWhen this security bulletin was issued, had Microsoft received any reports that this vulnerability was being exploited? \r\nNo. Microsoft had not received any information to indicate that this vulnerability had been publicly used to attack customers when this security bulletin was originally issued.\r\nTop of sectionTop of section\r\nTop of sectionTop of section\r\n\t\r\nCross-Domain Information Disclosure Vulnerability - CVE-2010-3342\r\n\r\nAn information disclosure vulnerability exists in Internet Explorer that could allow script to gain access to information in another domain or Internet Explorer zone. An attacker could exploit the vulnerability by constructing a specially crafted Web page that could allow information disclosure if a user viewed the Web page. An attacker who successfully exploited this vulnerability could view content from another domain or Internet Explorer zone.\r\n\r\nTo view this vulnerability as a standard entry in the Common Vulnerabilities and Exposures list, see CVE-2010-3342.\r\n\t\r\nMitigating Factors for Cross-Domain Information Disclosure Vulnerability - CVE-2010-3342\r\n\r\nMitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability. The following mitigating factors may be helpful in your situation:\r\n\u2022\t\r\n\r\nBy default, Internet Explorer on Windows Server 2003 and Windows Server 2008 runs in a restricted mode that is known as Enhanced Security Configuration. This mode sets the security level for the Internet zone to High. This is a mitigating factor for Web sites that you have not added to the Internet Explorer Trusted sites zone. See the FAQ subsection of this vulnerability section for more information about Internet Explorer Enhanced Security Configuration.\r\n\u2022\t\r\n\r\nBy default, all supported versions of Microsoft Outlook, Microsoft Outlook Express, and Windows Mail open HTML e-mail messages in the Restricted sites zone, which disables script and ActiveX controls, removing the risk of an attacker being able to use this vulnerability to execute malicious code. If a user clicks a link in an e-mail message, the user could still be vulnerable to exploitation of this vulnerability through the Web-based attack scenario.\r\n\u2022\t\r\n\r\nAn attacker who successfully exploited this vulnerability could gain the same user rights as the local user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.\r\nTop of sectionTop of section\r\n\t\r\nWorkarounds for Cross-Domain Information Disclosure Vulnerability - CVE-2010-3342\r\n\r\nWorkaround refers to a setting or configuration change that does not correct the underlying vulnerability but would help block known attack vectors before you apply the update. Microsoft has tested the following workarounds and states in the discussion whether a workaround reduces functionality:\r\n\u2022\t\r\n\r\nRead e-mails in plain text\r\n\r\nTo help protect yourself from the e-mail attack vector, read e-mail messages in plain text format.\r\n\r\nMicrosoft Office Outlook 2002 users who have applied Office XP Service Pack 1 or a later version and Microsoft Office Outlook Express 6 users who have applied Internet Explorer 6 Service Pack 1 or a later version can enable this setting and view e-mail messages that are not digitally signed or e-mail messages that are not encrypted in plain text only.\r\n\r\nDigitally signed e-mail messages or encrypted e-mail messages are not affected by the setting and may be read in their original formats. For more information about how to enable this setting in Outlook 2002, see Microsoft Knowledge Base Article 307594.\r\n\r\nFor information about this setting in Outlook Express 6, see Microsoft Knowledge Base Article 291387.\r\n\r\nImpact of workaround. E-mail messages that are viewed in plain text format will not contain pictures, specialized fonts, animations, or other rich content. Additionally:\r\n\u2022\t\r\n\r\nThe changes are applied to the preview pane and to open messages.\r\n\u2022\t\r\n\r\nPictures become attachments so that they are not lost.\r\n\u2022\t\r\n\r\nBecause the message is still in Rich Text or HTML format in the store, the object model (custom code solutions) may behave unexpectedly.\r\n\u2022\t\r\n\r\nSet Internet and Local intranet security zone settings to "High" to block ActiveX Controls and Active Scripting in these zones\r\n\r\nYou can help protect against exploitation of this vulnerability by changing your settings for the Internet security zone to block ActiveX controls and Active Scripting. You can do this by setting your browser security to High.\r\n\r\nTo raise the browsing security level in Internet Explorer, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nOn the Internet Explorer Tools menu, click Internet Options.\r\n\r\n2.\r\n\t\r\n\r\nIn the Internet Options dialog box, click the Security tab, and then click the Internet icon.\r\n\r\n3.\r\n\t\r\n\r\nUnder Security level for this zone, move the slider to High. This sets the security level for all Web sites you visit to High.\r\n\r\nNote If no slider is visible, click Default Level, and then move the slider to High.\r\n\r\nNote Setting the level to High may cause some Web sites to work incorrectly. If you have difficulty using a Web site after you change this setting, and you are sure the site is safe to use, you can add that site to your list of trusted sites. This will allow the site to work correctly even with the security setting set to High.\r\n\r\nImpact of workaround. There are side effects to blocking ActiveX Controls and Active Scripting. Many Web sites that are on the Internet or on an intranet use ActiveX or Active Scripting to provide additional functionality. For example, an online e-commerce site or banking site may use ActiveX Controls to provide menus, ordering forms, or even account statements. Blocking ActiveX Controls or Active Scripting is a global setting that affects all Internet and intranet sites. If you do not want to block ActiveX Controls or Active Scripting for such sites, use the steps outlined in "Add sites that you trust to the Internet Explorer Trusted sites zone".\r\n\r\nAdd sites that you trust to the Internet Explorer Trusted sites zone\r\n\r\nAfter you set Internet Explorer to block ActiveX controls and Active Scripting in the Internet zone and in the Local intranet zone, you can add sites that you trust to the Internet Explorer Trusted sites zone. This will allow you to continue to use trusted Web sites exactly as you do today, while helping to protect yourself from this attack on untrusted sites. We recommend that you add only sites that you trust to the Trusted sites zone.\r\n\r\nTo do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Tools, click Internet Options, and then click the Security tab.\r\n\r\n2.\r\n\t\r\n\r\nIn the Select a Web content zone to specify its current security settings box, click Trusted Sites, and then click Sites.\r\n\r\n3.\r\n\t\r\n\r\nIf you want to add sites that do not require an encrypted channel, click to clear the Require server verification (https:) for all sites in this zone check box.\r\n\r\n4.\r\n\t\r\n\r\nIn the Add this Web site to the zone box, type the URL of a site that you trust, and then click Add.\r\n\r\n5.\r\n\t\r\n\r\nRepeat these steps for each site that you want to add to the zone.\r\n\r\n6.\r\n\t\r\n\r\nClick OK two times to accept the changes and return to Internet Explorer.\r\n\r\nNote Add any sites that you trust not to take malicious action on your system. Two in particular that you may want to add are *.windowsupdate.microsoft.com and *.update.microsoft.com. These are the sites that will host the update, and it requires an ActiveX Control to install the update.\r\n\u2022\t\r\n\r\nConfigure Internet Explorer to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zone\r\n\r\nYou can help protect against exploitation of this vulnerability by changing your settings to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zone. To do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Internet Options on the Tools menu.\r\n\r\n2.\r\n\t\r\n\r\nClick the Security tab.\r\n\r\n3.\r\n\t\r\n\r\nClick Internet, and then click Custom Level.\r\n\r\n4.\r\n\t\r\n\r\nUnder Settings, in the Scripting section, under Active Scripting, click Prompt or Disable, and then click OK.\r\n\r\n5.\r\n\t\r\n\r\nClick Local intranet, and then click Custom Level.\r\n\r\n6.\r\n\t\r\n\r\nUnder Settings, in the Scripting section, under Active Scripting, click Prompt or Disable, and then click OK.\r\n\r\n7.\r\n\t\r\n\r\nClick OK two times to return to Internet Explorer.\r\n\r\nNote Disabling Active Scripting in the Internet and Local intranet security zones may cause some Web sites to work incorrectly. If you have difficulty using a Web site after you change this setting, and you are sure the site is safe to use, you can add that site to your list of trusted sites. This will allow the site to work correctly.\r\n\r\nImpact of workaround. There are side effects to prompting before running Active Scripting. Many Web sites that are on the Internet or on an intranet use Active Scripting to provide additional functionality. For example, an online e-commerce site or banking site may use Active Scripting to provide menus, ordering forms, or even account statements. Prompting before running Active Scripting is a global setting that affects all Internet and intranet sites. You will be prompted frequently when you enable this workaround. For each prompt, if you feel you trust the site that you are visiting, click Yes to run Active Scripting. If you do not want to be prompted for all these sites, use the steps outlined in "Add sites that you trust to the Internet Explorer Trusted sites zone".\r\n\r\nAdd sites that you trust to the Internet Explorer Trusted sites zone\r\n\r\nAfter you set Internet Explorer to require a prompt before it runs ActiveX controls and Active Scripting in the Internet zone and in the Local intranet zone, you can add sites that you trust to the Internet Explorer Trusted sites zone. This will allow you to continue to use trusted Web sites exactly as you do today, while helping to protect you from this attack on untrusted sites. We recommend that you add only sites that you trust to the Trusted sites zone.\r\n\r\nTo do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Tools, click Internet Options, and then click the Security tab.\r\n\r\n2.\r\n\t\r\n\r\nIn the Select a Web content zone to specify its current security settings box, click Trusted Sites, and then click Sites.\r\n\r\n3.\r\n\t\r\n\r\nIf you want to add sites that do not require an encrypted channel, click to clear the Require server verification (https:) for all sites in this zone check box.\r\n\r\n4.\r\n\t\r\n\r\nIn the Add this Web site to the zone box, type the URL of a site that you trust, and then click Add.\r\n\r\n5.\r\n\t\r\n\r\nRepeat these steps for each site that you want to add to the zone.\r\n\r\n6.\r\n\t\r\n\r\nClick OK two times to accept the changes and return to Internet Explorer.\r\n\r\nNote Add any sites that you trust not to take malicious action on your system. Two in particular that you may want to add are *.windowsupdate.microsoft.com and *.update.microsoft.com. These are the sites that will host the update, and it requires an ActiveX Control to install the update.\r\nTop of sectionTop of section\r\n\t\r\nFAQ for Cross-Domain Information Disclosure Vulnerability - CVE-2010-3342\r\n\r\nWhat is the scope of the vulnerability? \r\nThis is an information disclosure vulnerability. An attacker who exploited the vulnerability when a user views a Web page could view content from the local computer or a browser window in a domain or Internet Explorer zone other than the domain or zone of the attacker's Web page.\r\n\r\nWhat causes the vulnerability? \r\nInternet Explorer caches data and incorrectly allows the cached content to be rendered as HTML, potentially bypassing Internet Explorer domain restriction.\r\n\r\nWhat might an attacker use the vulnerability to do? \r\nAn attacker who successfully exploited this vulnerability could view content from the local computer or browser window in another domain or Internet Explorer zone.\r\n\r\nHow could an attacker exploit the vulnerability? \r\nAn attacker could host a specially crafted Web site that is designed to exploit this vulnerability through Internet Explorer and then convince a user to view the Web site. The attacker could also take advantage of compromised Web sites and Web sites that accept or host user-provided content or advertisements. These Web sites could contain specially crafted content that could exploit this vulnerability. In all cases, however, an attacker would have no way to force users to visit these Web sites. Instead, an attacker would have to convince users to visit the Web site, typically by getting them to click a link in an e-mail message or in an Instant Messenger message that takes users to the attacker's Web site. It could also be possible to display specially crafted Web content by using banner advertisements or by using other methods to deliver Web content to affected systems.\r\n\r\nWhat systems are primarily at risk from the vulnerability? \r\nThis vulnerability requires that a user be logged on and visiting a Web site for any malicious action to occur. Therefore, any systems where Internet Explorer is used frequently, such as workstations or terminal servers, are at the most risk from this vulnerability.\r\n\r\nI am running Internet Explorer for Windows Server 2003 or Windows Server 2008. Does this mitigate this vulnerability? \r\nYes. By default, Internet Explorer on Windows Server 2003 and Windows Server 2008 runs in a restricted mode that is known as Enhanced Security Configuration. Enhanced Security Configuration is a group of preconfigured settings in Internet Explorer that can reduce the likelihood of a user or administrator downloading and running specially crafted Web content on a server. This is a mitigating factor for Web sites that you have not added to the Internet Explorer Trusted sites zone. See also Managing Internet Explorer Enhanced Security Configuration.\r\n\r\nWhat does the update do? \r\nThe update addresses the vulnerability by modifying the way that Internet Explorer handles script during certain processes.\r\n\r\nWhen this security bulletin was issued, had this vulnerability been publicly disclosed? \r\nYes. This vulnerability has been publicly disclosed. It has been assigned Common Vulnerability and Exposure number CVE-2010-3342.\r\n\r\nWhen this security bulletin was issued, had Microsoft received any reports that this vulnerability was being exploited? \r\nNo. Microsoft had not received any information to indicate that this vulnerability had been publicly used to attack customers and had not seen any examples of proof of concept code published when this security bulletin was originally issued.\r\nTop of sectionTop of section\r\nTop of sectionTop of section\r\n\t\r\nHTML Object Memory Corruption Vulnerability - CVE-2010-3343\r\n\r\nA remote code execution vulnerability exists in the way that Internet Explorer accesses an object that has not been correctly initialized or has been deleted. An attacker could exploit the vulnerability by constructing a specially crafted Web page. When a user views the Web page, the vulnerability could allow remote code execution. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged-on user. If a user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.\r\n\r\nTo view this vulnerability as a standard entry in the Common Vulnerabilities and Exposures list, see CVE-2010-3343.\r\n\t\r\nMitigating Factors for HTML Object Memory Corruption Vulnerability - CVE-2010-3343\r\n\r\nMitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability. The following mitigating factors may be helpful in your situation:\r\n\u2022\t\r\n\r\nBy default, Internet Explorer on Windows Server 2003 and Windows Server 2008 runs in a restricted mode that is known as Enhanced Security Configuration. This mode sets the security level for the Internet zone to High. This is a mitigating factor for Web sites that you have not added to the Internet Explorer Trusted sites zone. See the FAQ subsection of this vulnerability section for more information about Internet Explorer Enhanced Security Configuration.\r\n\u2022\t\r\n\r\nIn a Web-based attack scenario, an attacker could host a Web site that contains a Web page that is used to exploit this vulnerability. In addition, compromised Web sites and Web sites that accept or host user-provided content or advertisements could contain specially crafted content that could exploit this vulnerability. In all cases, however, an attacker would have no way to force users to visit these Web sites. Instead, an attacker would have to convince users to visit the Web site, typically by getting them to click a link in an e-mail message or Instant Messenger message that takes users to the attacker's Web site.\r\n\u2022\t\r\n\r\nAn attacker who successfully exploited this vulnerability could gain the same user rights as the local user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.\r\nTop of sectionTop of section\r\n\t\r\nWorkarounds for HTML Object Memory Corruption Vulnerability - CVE-2010-3343\r\n\r\nWorkaround refers to a setting or configuration change that does not correct the underlying vulnerability but would help block known attack vectors before you apply the update. Microsoft has tested the following workarounds and states in the discussion whether a workaround reduces functionality:\r\n\u2022\t\r\n\r\nDisable LMClassFactory\r\n\r\nRemove the Liquid Motion Class key from the registry.\r\n\r\nWarning If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.\r\n\r\n1.\r\n\t\r\n\r\nCreate a backup copy of the registry keys by using the following command from an elevated command prompt:\r\n\r\nRegedit.exe /e Disable_LM_Factory_backup.reg HKEY_CLASSES_ROOT\CLSID\{B1549E58-3894-11D2-BB7F-00A0C999C4C1}\r\n\r\n2.\r\n\t\r\n\r\nPaste the following text in a text editor such as Notepad. Then, save the file by using the .reg file name extension, such as Disable_LM_Factory.reg:\r\n\r\nWindows Registry Editor Version 5.00\r\n\r\n[-HKEY_CLASSES_ROOT\CLSID\{B1549E58-3894-11D2-BB7F-00A0C999C4C1}]\r\n\r\n3.\r\n\t\r\n\r\nRun Disable_LM_Factory.reg with the following command from an elevated command prompt:\r\n\r\nRegedit.exe /s Disable_LM_Factory.reg\r\n\r\nImpact of Workaround. Functionalities that use Liquid Motion are disabled. For more information about Liquid Motion, see Microsoft Knowledge Base Article 257557.\r\n\r\nHow to undo the workaround.\r\n\r\nRestore the original state by running the following command from an elevated command prompt:\r\n\r\nRegedit.exe /s Disable_LM_Factory_backup.reg\r\n\u2022\t\r\n\r\nSet Internet and Local intranet security zone settings to "High" to block ActiveX Controls and Active Scripting in these zones\r\n\r\nYou can help protect against exploitation of this vulnerability by changing your settings for the Internet security zone to block ActiveX controls and Active Scripting. You can do this by setting your browser security to High.\r\n\r\nTo raise the browsing security level in Internet Explorer, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nOn the Internet Explorer Tools menu, click Internet Options.\r\n\r\n2.\r\n\t\r\n\r\nIn the Internet Options dialog box, click the Security tab, and then click the Internet icon.\r\n\r\n3.\r\n\t\r\n\r\nUnder Security level for this zone, move the slider to High. This sets the security level for all Web sites you visit to High.\r\n\r\nNote If no slider is visible, click Default Level, and then move the slider to High.\r\n\r\nNote Setting the level to High may cause some Web sites to work incorrectly. If you have difficulty using a Web site after you change this setting, and you are sure the site is safe to use, you can add that site to your list of trusted sites. This will allow the site to work correctly even with the security setting set to High.\r\n\r\nImpact of workaround. There are side effects to blocking ActiveX Controls and Active Scripting. Many Web sites that are on the Internet or on an intranet use ActiveX or Active Scripting to provide additional functionality. For example, an online e-commerce site or banking site may use ActiveX Controls to provide menus, ordering forms, or even account statements. Blocking ActiveX Controls or Active Scripting is a global setting that affects all Internet and intranet sites. If you do not want to block ActiveX Controls or Active Scripting for such sites, use the steps outlined in "Add sites that you trust to the Internet Explorer Trusted sites zone".\r\n\r\nAdd sites that you trust to the Internet Explorer Trusted sites zone\r\n\r\nAfter you set Internet Explorer to block ActiveX controls and Active Scripting in the Internet zone and in the Local intranet zone, you can add sites that you trust to the Internet Explorer Trusted sites zone. This will allow you to continue to use trusted Web sites exactly as you do today, while helping to protect yourself from this attack on untrusted sites. We recommend that you add only sites that you trust to the Trusted sites zone.\r\n\r\nTo do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Tools, click Internet Options, and then click the Security tab.\r\n\r\n2.\r\n\t\r\n\r\nIn the Select a Web content zone to specify its current security settings box, click Trusted Sites, and then click Sites.\r\n\r\n3.\r\n\t\r\n\r\nIf you want to add sites that do not require an encrypted channel, click to clear the Require server verification (https:) for all sites in this zone check box.\r\n\r\n4.\r\n\t\r\n\r\nIn the Add this Web site to the zone box, type the URL of a site that you trust, and then click Add.\r\n\r\n5.\r\n\t\r\n\r\nRepeat these steps for each site that you want to add to the zone.\r\n\r\n6.\r\n\t\r\n\r\nClick OK two times to accept the changes and return to Internet Explorer.\r\n\r\nNote Add any sites that you trust not to take malicious action on your system. Two in particular that you may want to add are *.windowsupdate.microsoft.com and *.update.microsoft.com. These are the sites that will host the update, and it requires an ActiveX Control to install the update.\r\n\u2022\t\r\n\r\nConfigure Internet Explorer to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zone\r\n\r\nYou can help protect against exploitation of this vulnerability by changing your settings to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zone. To do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Internet Options on the Tools menu.\r\n\r\n2.\r\n\t\r\n\r\nClick the Security tab.\r\n\r\n3.\r\n\t\r\n\r\nClick Internet, and then click Custom Level.\r\n\r\n4.\r\n\t\r\n\r\nUnder Settings, in the Scripting section, under Active Scripting, click Prompt or Disable, and then click OK.\r\n\r\n5.\r\n\t\r\n\r\nClick Local intranet, and then click Custom Level.\r\n\r\n6.\r\n\t\r\n\r\nUnder Settings, in the Scripting section, under Active Scripting, click Prompt or Disable, and then click OK.\r\n\r\n7.\r\n\t\r\n\r\nClick OK two times to return to Internet Explorer.\r\n\r\nNote Disabling Active Scripting in the Internet and Local intranet security zones may cause some Web sites to work incorrectly. If you have difficulty using a Web site after you change this setting, and you are sure the site is safe to use, you can add that site to your list of trusted sites. This will allow the site to work correctly.\r\n\r\nImpact of workaround. There are side effects to prompting before running Active Scripting. Many Web sites that are on the Internet or on an intranet use Active Scripting to provide additional functionality. For example, an online e-commerce site or banking site may use Active Scripting to provide menus, ordering forms, or even account statements. Prompting before running Active Scripting is a global setting that affects all Internet and intranet sites. You will be prompted frequently when you enable this workaround. For each prompt, if you feel you trust the site that you are visiting, click Yes to run Active Scripting. If you do not want to be prompted for all these sites, use the steps outlined in "Add sites that you trust to the Internet Explorer Trusted sites zone".\r\n\r\nAdd sites that you trust to the Internet Explorer Trusted sites zone\r\n\r\nAfter you set Internet Explorer to require a prompt before it runs ActiveX controls and Active Scripting in the Internet zone and in the Local intranet zone, you can add sites that you trust to the Internet Explorer Trusted sites zone. This will allow you to continue to use trusted Web sites exactly as you do today, while helping to protect you from this attack on untrusted sites. We recommend that you add only sites that you trust to the Trusted sites zone.\r\n\r\nTo do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Tools, click Internet Options, and then click the Security tab.\r\n\r\n2.\r\n\t\r\n\r\nIn the Select a Web content zone to specify its current security settings box, click Trusted Sites, and then click Sites.\r\n\r\n3.\r\n\t\r\n\r\nIf you want to add sites that do not require an encrypted channel, click to clear the Require server verification (https:) for all sites in this zone check box.\r\n\r\n4.\r\n\t\r\n\r\nIn the Add this Web site to the zone box, type the URL of a site that you trust, and then click Add.\r\n\r\n5.\r\n\t\r\n\r\nRepeat these steps for each site that you want to add to the zone.\r\n\r\n6.\r\n\t\r\n\r\nClick OK two times to accept the changes and return to Internet Explorer.\r\n\r\nNote Add any sites that you trust not to take malicious action on your system. Two in particular that you may want to add are *.windowsupdate.microsoft.com and *.update.microsoft.com. These are the sites that will host the update, and it requires an ActiveX Control to install the update.\r\nTop of sectionTop of section\r\n\t\r\nFAQ for HTML Object Memory Corruption Vulnerability - CVE-2010-3343\r\n\r\nWhat is the scope of the vulnerability? \r\nThis is a remote code execution vulnerability. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged-on user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.\r\n\r\nWhat causes the vulnerability? \r\nWhen Internet Explorer attempts to access incorrectly initialized memory under certain conditions, it may corrupt memory in such a way that an attacker could execute arbitrary code.\r\n\r\nWhat might an attacker use the vulnerability to do? \r\nAn attacker who successfully exploited this vulnerability could gain the same user rights as a logged-on user. If the user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.\r\n\r\nHow could an attacker exploit the vulnerability? \r\nAn attacker could host a specially crafted Web site that is designed to exploit this vulnerability through Internet Explorer and then convince a user to view the Web site. The attacker could also take advantage of compromised Web sites and Web sites that accept or host user-provided content or advertisements. These Web sites could contain specially crafted content that could exploit this vulnerability. In all cases, however, an attacker would have no way to force users to visit these Web sites. Instead, an attacker would have to convince users to visit the Web site, typically by getting them to click a link in an e-mail message or in an Instant Messenger message that takes users to the attacker's Web site. It could also be possible to display specially crafted Web content by using banner advertisements or by using other methods to deliver Web content to affected systems.\r\n\r\nWhat systems are primarily at risk from the vulnerability? \r\nThis vulnerability requires that a user be logged on and visiting a Web site for any malicious action to occur. Therefore, any systems where Internet Explorer is used frequently, such as workstations or terminal servers, are at the most risk from this vulnerability.\r\n\r\nI am running Internet Explorer for Windows Server 2003 or Windows Server 2008. Does this mitigate this vulnerability? \r\nYes. By default, Internet Explorer on Windows Server 2003 and Windows Server 2008 runs in a restricted mode that is known as Enhanced Security Configuration. Enhanced Security Configuration is a group of preconfigured settings in Internet Explorer that can reduce the likelihood of a user or administrator downloading and running specially crafted Web content on a server. This is a mitigating factor for Web sites that you have not added to the Internet Explorer Trusted sites zone. See also Managing Internet Explorer Enhanced Security Configuration.\r\n\r\nWhat does the update do? \r\nThe update addresses the vulnerability by modifying the way that Internet Explorer handles objects in memory.\r\n\r\nWhen this security bulletin was issued, had this vulnerability been publicly disclosed? \r\nNo. Microsoft received information about this vulnerability through coordinated vulnerability disclosure.\r\n\r\nWhen this security bulletin was issued, had Microsoft received any reports that this vulnerability was being exploited? \r\nNo. Microsoft had not received any information to indicate that this vulnerability had been publicly used to attack customers when this security bulletin was originally issued.\r\nTop of sectionTop of section\r\nTop of sectionTop of section\r\n\t\r\nHTML Element Memory Corruption Vulnerability - CVE-2010-3345\r\n\r\nA remote code execution vulnerability exists in the way that Internet Explorer accesses an object that has not been correctly initialized or has been deleted. An attacker could exploit the vulnerability by constructing a specially crafted Web page. When a user views the Web page, the vulnerability could allow remote code execution. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged-on user. If a user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.\r\n\r\nTo view this vulnerability as a standard entry in the Common Vulnerabilities and Exposures list, see CVE-2010-3345.\r\n\t\r\nMitigating Factors for HTML Element Memory Corruption Vulnerability - CVE-2010-3345\r\n\r\nMitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability. The following mitigating factors may be helpful in your situation:\r\n\u2022\t\r\n\r\nIn a Web-based attack scenario, an attacker could host a Web site that contains a Web page that is used to exploit this vulnerability. In addition, compromised Web sites and Web sites that accept or host user-provided content or advertisements could contain specially crafted content that could exploit this vulnerability. In all cases, however, an attacker would have no way to force users to visit these Web sites. Instead, an attacker would have to convince users to visit the Web site, typically by getting them to click a link in an e-mail message or Instant Messenger message that takes users to the attacker's Web site.\r\n\u2022\t\r\n\r\nAn attacker who successfully exploited this vulnerability could gain the same user rights as the local user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.\r\n\u2022\t\r\n\r\nBy default, all supported versions of Microsoft Outlook, Microsoft Outlook Express, and Windows Mail open HTML e-mail messages in the Restricted sites zone, which disables script and ActiveX controls, removing the risk of an attacker being able to use this vulnerability to execute malicious code. If a user clicks a link in an e-mail message, the user could still be vulnerable to exploitation of this vulnerability through the Web-based attack scenario.\r\n\u2022\t\r\n\r\nBy default, Internet Explorer on Windows Server 2003 and Windows Server 2008 runs in a restricted mode that is known as Enhanced Security Configuration. This mode sets the security level for the Internet zone to High. This is a mitigating factor for Web sites that you have not added to the Internet Explorer Trusted sites zone. See the FAQ subsection of this vulnerability section for more information about Internet Explorer Enhanced Security Configuration.\r\nTop of sectionTop of section\r\n\t\r\nWorkarounds for HTML Element Memory Corruption Vulnerability - CVE-2010-3345\r\n\r\nWorkaround refers to a setting or configuration change that does not correct the underlying vulnerability but would help block known attack vectors before you apply the update. Microsoft has tested the following workarounds and states in the discussion whether a workaround reduces functionality:\r\n\u2022\t\r\n\r\nSet Internet and Local intranet security zone settings to "High" to block ActiveX Controls and Active Scripting in these zones\r\n\r\nYou can help protect against exploitation of this vulnerability by changing your settings for the Internet security zone to block ActiveX controls and Active Scripting. You can do this by setting your browser security to High.\r\n\r\nTo raise the browsing security level in Internet Explorer, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nOn the Internet Explorer Tools menu, click Internet Options.\r\n\r\n2.\r\n\t\r\n\r\nIn the Internet Options dialog box, click the Security tab, and then click the Internet icon.\r\n\r\n3.\r\n\t\r\n\r\nUnder Security level for this zone, move the slider to High. This sets the security level for all Web sites you visit to High.\r\n\r\nNote If no slider is visible, click Default Level, and then move the slider to High.\r\n\r\nNote Setting the level to High may cause some Web sites to work incorrectly. If you have difficulty using a Web site after you change this setting, and you are sure the site is safe to use, you can add that site to your list of trusted sites. This will allow the site to work correctly even with the security setting set to High.\r\n\r\nImpact of workaround. There are side effects to blocking ActiveX Controls and Active Scripting. Many Web sites that are on the Internet or on an intranet use ActiveX or Active Scripting to provide additional functionality. For example, an online e-commerce site or banking site may use ActiveX Controls to provide menus, ordering forms, or even account statements. Blocking ActiveX Controls or Active Scripting is a global setting that affects all Internet and intranet sites. If you do not want to block ActiveX Controls or Active Scripting for such sites, use the steps outlined in "Add sites that you trust to the Internet Explorer Trusted sites zone".\r\n\r\nAdd sites that you trust to the Internet Explorer Trusted sites zone\r\n\r\nAfter you set Internet Explorer to block ActiveX controls and Active Scripting in the Internet zone and in the Local intranet zone, you can add sites that you trust to the Internet Explorer Trusted sites zone. This will allow you to continue to use trusted Web sites exactly as you do today, while helping to protect yourself from this attack on untrusted sites. We recommend that you add only sites that you trust to the Trusted sites zone.\r\n\r\nTo do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Tools, click Internet Options, and then click the Security tab.\r\n\r\n2.\r\n\t\r\n\r\nIn the Select a Web content zone to specify its current security settings box, click Trusted Sites, and then click Sites.\r\n\r\n3.\r\n\t\r\n\r\nIf you want to add sites that do not require an encrypted channel, click to clear the Require server verification (https:) for all sites in this zone check box.\r\n\r\n4.\r\n\t\r\n\r\nIn the Add this Web site to the zone box, type the URL of a site that you trust, and then click Add.\r\n\r\n5.\r\n\t\r\n\r\nRepeat these steps for each site that you want to add to the zone.\r\n\r\n6.\r\n\t\r\n\r\nClick OK two times to accept the changes and return to Internet Explorer.\r\n\r\nNote Add any sites that you trust not to take malicious action on your system. Two in particular that you may want to add are *.windowsupdate.microsoft.com and *.update.microsoft.com. These are the sites that will host the update, and it requires an ActiveX Control to install the update.\r\n\u2022\t\r\n\r\nConfigure Internet Explorer to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zone\r\n\r\nYou can help protect against exploitation of this vulnerability by changing your settings to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zone. To do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Internet Options on the Tools menu.\r\n\r\n2.\r\n\t\r\n\r\nClick the Security tab.\r\n\r\n3.\r\n\t\r\n\r\nClick Internet, and then click Custom Level.\r\n\r\n4.\r\n\t\r\n\r\nUnder Settings, in the Scripting section, under Active Scripting, click Prompt or Disable, and then click OK.\r\n\r\n5.\r\n\t\r\n\r\nClick Local intranet, and then click Custom Level.\r\n\r\n6.\r\n\t\r\n\r\nUnder Settings, in the Scripting section, under Active Scripting, click Prompt or Disable, and then click OK.\r\n\r\n7.\r\n\t\r\n\r\nClick OK two times to return to Internet Explorer.\r\n\r\nNote Disabling Active Scripting in the Internet and Local intranet security zones may cause some Web sites to work incorrectly. If you have difficulty using a Web site after you change this setting, and you are sure the site is safe to use, you can add that site to your list of trusted sites. This will allow the site to work correctly.\r\n\r\nImpact of workaround. There are side effects to prompting before running Active Scripting. Many Web sites that are on the Internet or on an intranet use Active Scripting to provide additional functionality. For example, an online e-commerce site or banking site may use Active Scripting to provide menus, ordering forms, or even account statements. Prompting before running Active Scripting is a global setting that affects all Internet and intranet sites. You will be prompted frequently when you enable this workaround. For each prompt, if you feel you trust the site that you are visiting, click Yes to run Active Scripting. If you do not want to be prompted for all these sites, use the steps outlined in "Add sites that you trust to the Internet Explorer Trusted sites zone".\r\n\r\nAdd sites that you trust to the Internet Explorer Trusted sites zone\r\n\r\nAfter you set Internet Explorer to require a prompt before it runs ActiveX controls and Active Scripting in the Internet zone and in the Local intranet zone, you can add sites that you trust to the Internet Explorer Trusted sites zone. This will allow you to continue to use trusted Web sites exactly as you do today, while helping to protect you from this attack on untrusted sites. We recommend that you add only sites that you trust to the Trusted sites zone.\r\n\r\nTo do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Tools, click Internet Options, and then click the Security tab.\r\n\r\n2.\r\n\t\r\n\r\nIn the Select a Web content zone to specify its current security settings box, click Trusted Sites, and then click Sites.\r\n\r\n3.\r\n\t\r\n\r\nIf you want to add sites that do not require an encrypted channel, click to clear the Require server verification (https:) for all sites in this zone check box.\r\n\r\n4.\r\n\t\r\n\r\nIn the Add this Web site to the zone box, type the URL of a site that you trust, and then click Add.\r\n\r\n5.\r\n\t\r\n\r\nRepeat these steps for each site that you want to add to the zone.\r\n\r\n6.\r\n\t\r\n\r\nClick OK two times to accept the changes and return to Internet Explorer.\r\n\r\nNote Add any sites that you trust not to take malicious action on your system. Two in particular that you may want to add are *.windowsupdate.microsoft.com and *.update.microsoft.com. These are the sites that will host the update, and it requires an ActiveX Control to install the update.\r\nTop of sectionTop of section\r\n\t\r\nFAQ for HTML Element Memory Corruption Vulnerability - CVE-2010-3345\r\n\r\nWhat is the scope of the vulnerability? \r\nThis is a remote code execution vulnerability. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged-on user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.\r\n\r\nWhat causes the vulnerability? \r\nWhen Internet Explorer attempts to access incorrectly initialized memory under certain conditions, it may corrupt memory in such a way that an attacker could execute arbitrary code.\r\n\r\nWhat might an attacker use the vulnerability to do? \r\nAn attacker who successfully exploited this vulnerability could gain the same user rights as a logged-on user. If the user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.\r\n\r\nHow could an attacker exploit the vulnerability? \r\nAn attacker could host a specially crafted Web site that is designed to exploit this vulnerability through Internet Explorer and then convince a user to view the Web site. An attacker could also embed an ActiveX control marked "safe for initialization" in an application or Microsoft Office document that hosts the IE rendering engine. The attacker could also take advantage of compromised Web sites and Web sites that accept or host user-provided content or advertisements. These Web sites could contain specially crafted content that could exploit this vulnerability. In all cases, however, an attacker would have no way to force users to view the attacker-controlled content. Instead, an attacker would have to convince users to take action, typically by clicking a link in an e-mail message or in an Instant Messenger message that takes users to the attacker's Web site, or by opening an attachment sent through e-mail.\r\n\r\nWhat systems are primarily at risk from the vulnerability? \r\nThis vulnerability requires that a user be logged on and visiting a Web site for any malicious action to occur. Therefore, any systems where Internet Explorer is used frequently, such as workstations or terminal servers, are at the most risk from this vulnerability.\r\n\r\nI am running Internet Explorer for Windows Server 2003 or Windows Server 2008. Does this mitigate this vulnerability? \r\nYes. By default, Internet Explorer on Windows Server 2003 and Windows Server 2008 runs in a restricted mode that is known as Enhanced Security Configuration. Enhanced Security Configuration is a group of preconfigured settings in Internet Explorer that can reduce the likelihood of a user or administrator downloading and running specially crafted Web content on a server. This is a mitigating factor for Web sites that you have not added to the Internet Explorer Trusted sites zone. See also Managing Internet Explorer Enhanced Security Configuration.\r\n\r\nWhat does the update do? \r\nThe update addresses the vulnerability by modifying the way that Internet Explorer handles objects in memory.\r\n\r\nWhen this security bulletin was issued, had this vulnerability been publicly disclosed? \r\nNo. Microsoft received information about this vulnerability through coordinated vulnerability disclosure.\r\n\r\nWhen this security bulletin was issued, had Microsoft received any reports that this vulnerability was being exploited? \r\nNo. Microsoft had not received any information to indicate that this vulnerability had been publicly used to attack customers when this security bulletin was originally issued.\r\nTop of sectionTop of section\r\nTop of sectionTop of section\r\n\t\r\nHTML Element Memory Corruption Vulnerability - CVE-2010-3346\r\n\r\nA remote code execution vulnerability exists in the way that Internet Explorer accesses an object that has not been correctly initialized or has been deleted. An attacker could exploit the vulnerability by constructing a specially crafted Web page. When a user views the Web page, the vulnerability could allow remote code execution. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged-on user. If a user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.\r\n\r\nTo view this vulnerability as a standard entry in the Common Vulnerabilities and Exposures list, see CVE-2010-3346.\r\n\t\r\nMitigating Factors for HTML Element Memory Corruption Vulnerability - CVE-2010-3346\r\n\r\nMitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability. The following mitigating factors may be helpful in your situation:\r\n\u2022\t\r\n\r\nIn a Web-based attack scenario, an attacker could host a Web site that contains a Web page that is used to exploit this vulnerability. In addition, compromised Web sites and Web sites that accept or host user-provided content or advertisements could contain specially crafted content that could exploit this vulnerability. In all cases, however, an attacker would have no way to force users to visit these Web sites. Instead, an attacker would have to convince users to visit the Web site, typically by getting them to click a link in an e-mail message or Instant Messenger message that takes users to the attacker's Web site.\r\n\u2022\t\r\n\r\nAn attacker who successfully exploited this vulnerability could gain the same user rights as the local user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.\r\n\u2022\t\r\n\r\nBy default, all supported versions of Microsoft Outlook, Microsoft Outlook Express, and Windows Mail open HTML e-mail messages in the Restricted sites zone, which disables script and ActiveX controls, removing the risk of an attacker being able to use this vulnerability to execute malicious code. If a user clicks a link in an e-mail message, the user could still be vulnerable to exploitation of this vulnerability through the Web-based attack scenario.\r\n\u2022\t\r\n\r\nBy default, Internet Explorer on Windows Server 2003 and Windows Server 2008 runs in a restricted mode that is known as Enhanced Security Configuration. This mode sets the security level for the Internet zone to High. This is a mitigating factor for Web sites that you have not added to the Internet Explorer Trusted sites zone. See the FAQ subsection of this vulnerability section for more information about Internet Explorer Enhanced Security Configuration.\r\nTop of sectionTop of section\r\n\t\r\nWorkarounds for HTML Element Memory Corruption Vulnerability - CVE-2010-3346\r\n\r\nWorkaround refers to a setting or configuration change that does not correct the underlying vulnerability but would help block known attack vectors before you apply the update. Microsoft has tested the following workarounds and states in the discussion whether a workaround reduces functionality:\r\n\u2022\t\r\n\r\nSet Internet and Local intranet security zone settings to "High" to block ActiveX Controls and Active Scripting in these zones\r\n\r\nYou can help protect against exploitation of this vulnerability by changing your settings for the Internet security zone to block ActiveX controls and Active Scripting. You can do this by setting your browser security to High.\r\n\r\nTo raise the browsing security level in Internet Explorer, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nOn the Internet Explorer Tools menu, click Internet Options.\r\n\r\n2.\r\n\t\r\n\r\nIn the Internet Options dialog box, click the Security tab, and then click the Internet icon.\r\n\r\n3.\r\n\t\r\n\r\nUnder Security level for this zone, move the slider to High. This sets the security level for all Web sites you visit to High.\r\n\r\nNote If no slider is visible, click Default Level, and then move the slider to High.\r\n\r\nNote Setting the level to High may cause some Web sites to work incorrectly. If you have difficulty using a Web site after you change this setting, and you are sure the site is safe to use, you can add that site to your list of trusted sites. This will allow the site to work correctly even with the security setting set to High.\r\n\r\nImpact of workaround. There are side effects to blocking ActiveX Controls and Active Scripting. Many Web sites that are on the Internet or on an intranet use ActiveX or Active Scripting to provide additional functionality. For example, an online e-commerce site or banking site may use ActiveX Controls to provide menus, ordering forms, or even account statements. Blocking ActiveX Controls or Active Scripting is a global setting that affects all Internet and intranet sites. If you do not want to block ActiveX Controls or Active Scripting for such sites, use the steps outlined in "Add sites that you trust to the Internet Explorer Trusted sites zone".\r\n\r\nAdd sites that you trust to the Internet Explorer Trusted sites zone\r\n\r\nAfter you set Internet Explorer to block ActiveX controls and Active Scripting in the Internet zone and in the Local intranet zone, you can add sites that you trust to the Internet Explorer Trusted sites zone. This will allow you to continue to use trusted Web sites exactly as you do today, while helping to protect yourself from this attack on untrusted sites. We recommend that you add only sites that you trust to the Trusted sites zone.\r\n\r\nTo do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Tools, click Internet Options, and then click the Security tab.\r\n\r\n2.\r\n\t\r\n\r\nIn the Select a Web content zone to specify its current security settings box, click Trusted Sites, and then click Sites.\r\n\r\n3.\r\n\t\r\n\r\nIf you want to add sites that do not require an encrypted channel, click to clear the Require server verification (https:) for all sites in this zone check box.\r\n\r\n4.\r\n\t\r\n\r\nIn the Add this Web site to the zone box, type the URL of a site that you trust, and then click Add.\r\n\r\n5.\r\n\t\r\n\r\nRepeat these steps for each site that you want to add to the zone.\r\n\r\n6.\r\n\t\r\n\r\nClick OK two times to accept the changes and return to Internet Explorer.\r\n\r\nNote Add any sites that you trust not to take malicious action on your system. Two in particular that you may want to add are *.windowsupdate.microsoft.com and *.update.microsoft.com. These are the sites that will host the update, and it requires an ActiveX Control to install the update.\r\n\u2022\t\r\n\r\nConfigure Internet Explorer to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zone\r\n\r\nYou can help protect against exploitation of this vulnerability by changing your settings to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zone. To do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Internet Options on the Tools menu.\r\n\r\n2.\r\n\t\r\n\r\nClick the Security tab.\r\n\r\n3.\r\n\t\r\n\r\nClick Internet, and then click Custom Level.\r\n\r\n4.\r\n\t\r\n\r\nUnder Settings, in the Scripting section, under Active Scripting, click Prompt or Disable, and then click OK.\r\n\r\n5.\r\n\t\r\n\r\nClick Local intranet, and then click Custom Level.\r\n\r\n6.\r\n\t\r\n\r\nUnder Settings, in the Scripting section, under Active Scripting, click Prompt or Disable, and then click OK.\r\n\r\n7.\r\n\t\r\n\r\nClick OK two times to return to Internet Explorer.\r\n\r\nNote Disabling Active Scripting in the Internet and Local intranet security zones may cause some Web sites to work incorrectly. If you have difficulty using a Web site after you change this setting, and you are sure the site is safe to use, you can add that site to your list of trusted sites. This will allow the site to work correctly.\r\n\r\nImpact of workaround. There are side effects to prompting before running Active Scripting. Many Web sites that are on the Internet or on an intranet use Active Scripting to provide additional functionality. For example, an online e-commerce site or banking site may use Active Scripting to provide menus, ordering forms, or even account statements. Prompting before running Active Scripting is a global setting that affects all Internet and intranet sites. You will be prompted frequently when you enable this workaround. For each prompt, if you feel you trust the site that you are visiting, click Yes to run Active Scripting. If you do not want to be prompted for all these sites, use the steps outlined in "Add sites that you trust to the Internet Explorer Trusted sites zone".\r\n\r\nAdd sites that you trust to the Internet Explorer Trusted sites zone\r\n\r\nAfter you set Internet Explorer to require a prompt before it runs ActiveX controls and Active Scripting in the Internet zone and in the Local intranet zone, you can add sites that you trust to the Internet Explorer Trusted sites zone. This will allow you to continue to use trusted Web sites exactly as you do today, while helping to protect you from this attack on untrusted sites. We recommend that you add only sites that you trust to the Trusted sites zone.\r\n\r\nTo do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Tools, click Internet Options, and then click the Security tab.\r\n\r\n2.\r\n\t\r\n\r\nIn the Select a Web content zone to specify its current security settings box, click Trusted Sites, and then click Sites.\r\n\r\n3.\r\n\t\r\n\r\nIf you want to add sites that do not require an encrypted channel, click to clear the Require server verification (https:) for all sites in this zone check box.\r\n\r\n4.\r\n\t\r\n\r\nIn the Add this Web site to the zone box, type the URL of a site that you trust, and then click Add.\r\n\r\n5.\r\n\t\r\n\r\nRepeat these steps for each site that you want to add to the zone.\r\n\r\n6.\r\n\t\r\n\r\nClick OK two times to accept the changes and return to Internet Explorer.\r\n\r\nNote Add any sites that you trust not to take malicious action on your system. Two in particular that you may want to add are *.windowsupdate.microsoft.com and *.update.microsoft.com. These are the sites that will host the update, and it requires an ActiveX Control to install the update.\r\n\u2022\t\r\n\r\nModify the Access Control List (ACL) on mstime.dll\r\n\r\nModify the ACL to disable mstime.dll.\r\n\r\nOn Windows XP and Windows Server 2003, run the following command from an administrative command line:\r\n\r\nEcho y| cacls %WINDIR%\SYSTEM32\mstime.DLL /E /P everyone:N\r\n\r\nOn Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2, run the following commands from an elevated command line:\r\n\r\nTakeown.exe /f %WINDIR%\SYSTEM32\mstime.DLL\r\nIcacls.exe %WINDIR%\SYSTEM32\mstime.DLL /save %TEMP%\mstime_ACL.TXT\r\nIcacls.exe %WINDIR%\SYSTEM32\mstime.DLL /deny everyone:(F)\r\n\r\nImpact of workaround. Functionality such as HTML and TIME are disabled.\r\n\r\nHow to undo the workaround.\r\n\r\nOn Windows XP and Windows Server 2003, run the following command from an administrative command line:\r\n\r\ncacls %WINDIR%\SYSTEM32\mstime.dll /E /R everyone\r\n\r\nOn Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2, run the following commands from an elevated command line:\r\n\r\nicacls %WINDIR%\SYSTEM32\mstime.DLL /grant everyone:(F)\r\nicacls %WINDIR%\SYSTEM32 /restore %TEMP%\mstime_ACL.TXT\r\n\r\nTop of sectionTop of section\r\n\t\r\nFAQ for HTML Element Memory Corruption Vulnerability - CVE-2010-3346\r\n\r\nWhat is the scope of the vulnerability? \r\nThis is a remote code execution vulnerability. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged-on user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.\r\n\r\nWhat causes the vulnerability? \r\nWhen Internet Explorer attempts to access incorrectly initialized memory under certain conditions, it may corrupt memory in such a way that an attacker could execute arbitrary code.\r\n\r\nWhat might an attacker use the vulnerability to do? \r\nAn attacker who successfully exploited this vulnerability could gain the same user rights as a logged-on user. If the user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.\r\n\r\nHow could an attacker exploit the vulnerability? \r\nAn attacker could host a specially crafted Web site that is designed to exploit this vulnerability through Internet Explorer and then convince a user to view the Web site. An attacker could also embed an ActiveX control marked "safe for initialization" in an application or Microsoft Office document that hosts the IE rendering engine. The attacker could also take advantage of compromised Web sites and Web sites that accept or host user-provided content or advertisements. These Web sites could contain specially crafted content that could exploit this vulnerability. In all cases, however, an attacker would have no way to force users to view the attacker-controlled content. Instead, an attacker would have to convince users to take action, typically by clicking a link in an e-mail message or in an Instant Messenger message that takes users to the attacker's Web site, or by opening an attachment sent through e-mail.\r\n\r\nWhat systems are primarily at risk from the vulnerability? \r\nThis vulnerability requires that a user be logged on and visiting a Web site for any malicious action to occur. Therefore, any systems where Internet Explorer is used frequently, such as workstations or terminal servers, are at the most risk from this vulnerability.\r\n\r\nI am running Internet Explorer for Windows Server 2003 or Windows Server 2008. Does this mitigate this vulnerability? \r\nYes. By default, Internet Explorer on Windows Server 2003 and Windows Server 2008 runs in a restricted mode that is known as Enhanced Security Configuration. Enhanced Security Configuration is a group of preconfigured settings in Internet Explorer that can reduce the likelihood of a user or administrator downloading and running specially crafted Web content on a server. This is a mitigating factor for Web sites that you have not added to the Internet Explorer Trusted sites zone. See also Managing Internet Explorer Enhanced Security Configuration.\r\n\r\nWhat does the update do? \r\nThe update addresses the vulnerability by modifying the way that Internet Explorer handles objects in memory.\r\n\r\nWhen this security bulletin was issued, had this vulnerability been publicly disclosed? \r\nNo. Microsoft received information about this vulnerability through coordinated vulnerability disclosure.\r\n\r\nWhen this security bulletin was issued, had Microsoft received any reports that this vulnerability was being exploited? \r\nNo. Microsoft had not received any information to indicate that this vulnerability had been publicly used to attack customers when this security bulletin was originally issued.\r\nTop of sectionTop of section\r\nTop of sectionTop of section\r\n\t\r\nCross-Domain Information Disclosure Vulnerability - CVE-2010-3348\r\n\r\nAn information disclosure vulnerability exists in Internet Explorer that could allow script to gain access to information in another domain or Internet Explorer zone. An attacker could exploit the vulnerability by constructing a specially crafted Web page that could allow information disclosure if a user viewed the Web page. An attacker who successfully exploited this vulnerability could view content from another domain or Internet Explorer zone.\r\n\r\nTo view this vulnerability as a standard entry in the Common Vulnerabilities and Exposures list, see CVE-2010-3348.\r\n\t\r\nMitigating Factors for Cross-Domain Information Disclosure Vulnerability - CVE-2010-3348\r\n\r\nMitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability. The following mitigating factors may be helpful in your situation:\r\n\u2022\t\r\n\r\nBy default, Internet Explorer on Windows Server 2003 and Windows Server 2008 runs in a restricted mode that is known as Enhanced Security Configuration. This mode sets the security level for the Internet zone to High. This is a mitigating factor for Web sites that you have not added to the Internet Explorer Trusted sites zone. See the FAQ subsection of this vulnerability section for more information about Internet Explorer Enhanced Security Configuration.\r\n\u2022\t\r\n\r\nBy default, all supported versions of Microsoft Outlook, Microsoft Outlook Express, and Windows Mail open HTML e-mail messages in the Restricted sites zone, which disables script and ActiveX controls, removing the risk of an attacker being able to use this vulnerability to execute malicious code. If a user clicks a link in an e-mail message, the user could still be vulnerable to exploitation of this vulnerability through the Web-based attack scenario.\r\nTop of sectionTop of section\r\n\t\r\nWorkarounds for Cross-Domain Information Disclosure Vulnerability - CVE-2010-3348\r\n\r\nWorkaround refers to a setting or configuration change that does not correct the underlying vulnerability but would help block known attack vectors before you apply the update. Microsoft has tested the following workarounds and states in the discussion whether a workaround reduces functionality:\r\n\u2022\t\r\n\r\nRead e-mails in plain text\r\n\r\nTo help protect yourself from the e-mail attack vector, read e-mail messages in plain text format.\r\n\r\nMicrosoft Office Outlook 2002 users who have applied Office XP Service Pack 1 or a later version and Microsoft Office Outlook Express 6 users who have applied Internet Explorer 6 Service Pack 1 or a later version can enable this setting and view e-mail messages that are not digitally signed or e-mail messages that are not encrypted in plain text only.\r\n\r\nDigitally signed e-mail messages or encrypted e-mail messages are not affected by the setting and may be read in their original formats. For more information about how to enable this setting in Outlook 2002, see Microsoft Knowledge Base Article 307594.\r\n\r\nFor information about this setting in Outlook Express 6, see Microsoft Knowledge Base Article 291387.\r\n\r\nImpact of workaround. E-mail messages that are viewed in plain text format will not contain pictures, specialized fonts, animations, or other rich content. Additionally:\r\n\u2022\t\r\n\r\nThe changes are applied to the preview pane and to open messages.\r\n\u2022\t\r\n\r\nPictures become attachments so that they are not lost.\r\n\u2022\t\r\n\r\nBecause the message is still in Rich Text or HTML format in the store, the object model (custom code solutions) may behave unexpectedly.\r\n\u2022\t\r\n\r\nSet Internet and Local intranet security zone settings to "High" to block ActiveX Controls and Active Scripting in these zones\r\n\r\nYou can help protect against exploitation of this vulnerability by changing your settings for the Internet security zone to block ActiveX controls and Active Scripting. You can do this by setting your browser security to High.\r\n\r\nTo raise the browsing security level in Internet Explorer, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nOn the Internet Explorer Tools menu, click Internet Options.\r\n\r\n2.\r\n\t\r\n\r\nIn the Internet Options dialog box, click the Security tab, and then click the Internet icon.\r\n\r\n3.\r\n\t\r\n\r\nUnder Security level for this zone, move the slider to High. This sets the security level for all Web sites you visit to High.\r\n\r\nNote If no slider is visible, click Default Level, and then move the slider to High.\r\n\r\nNote Setting the level to High may cause some Web sites to work incorrectly. If you have difficulty using a Web site after you change this setting, and you are sure the site is safe to use, you can add that site to your list of trusted sites. This will allow the site to work correctly even with the security setting set to High.\r\n\r\nImpact of workaround. There are side effects to blocking ActiveX Controls and Active Scripting. Many Web sites that are on the Internet or on an intranet use ActiveX or Active Scripting to provide additional functionality. For example, an online e-commerce site or banking site may use ActiveX Controls to provide menus, ordering forms, or even account statements. Blocking ActiveX Controls or Active Scripting is a global setting that affects all Internet and intranet sites. If you do not want to block ActiveX Controls or Active Scripting for such sites, use the steps outlined in "Add sites that you trust to the Internet Explorer Trusted sites zone".\r\n\r\nAdd sites that you trust to the Internet Explorer Trusted sites zone\r\n\r\nAfter you set Internet Explorer to block ActiveX controls and Active Scripting in the Internet zone and in the Local intranet zone, you can add sites that you trust to the Internet Explorer Trusted sites zone. This will allow you to continue to use trusted Web sites exactly as you do today, while helping to protect yourself from this attack on untrusted sites. We recommend that you add only sites that you trust to the Trusted sites zone.\r\n\r\nTo do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Tools, click Internet Options, and then click the Security tab.\r\n\r\n2.\r\n\t\r\n\r\nIn the Select a Web content zone to specify its current security settings box, click Trusted Sites, and then click Sites.\r\n\r\n3.\r\n\t\r\n\r\nIf you want to add sites that do not require an encrypted channel, click to clear the Require server verification (https:) for all sites in this zone check box.\r\n\r\n4.\r\n\t\r\n\r\nIn the Add this Web site to the zone box, type the URL of a site that you trust, and then click Add.\r\n\r\n5.\r\n\t\r\n\r\nRepeat these steps for each site that you want to add to the zone.\r\n\r\n6.\r\n\t\r\n\r\nClick OK two times to accept the changes and return to Internet Explorer.\r\n\r\nNote Add any sites that you trust not to take malicious action on your system. Two in particular that you may want to add are *.windowsupdate.microsoft.com and *.update.microsoft.com. These are the sites that will host the update, and it requires an ActiveX Control to install the update.\r\n\u2022\t\r\n\r\nConfigure Internet Explorer to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zone\r\n\r\nYou can help protect against exploitation of this vulnerability by changing your settings to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zone. To do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Internet Options on the Tools menu.\r\n\r\n2.\r\n\t\r\n\r\nClick the Security tab.\r\n\r\n3.\r\n\t\r\n\r\nClick Internet, and then click Custom Level.\r\n\r\n4.\r\n\t\r\n\r\nUnder Settings, in the Scripting section, under Active Scripting, click Prompt or Disable, and then click OK.\r\n\r\n5.\r\n\t\r\n\r\nClick Local intranet, and then click Custom Level.\r\n\r\n6.\r\n\t\r\n\r\nUnder Settings, in the Scripting section, under Active Scripting, click Prompt or Disable, and then click OK.\r\n\r\n7.\r\n\t\r\n\r\nClick OK two times to return to Internet Explorer.\r\n\r\nNote Disabling Active Scripting in the Internet and Local intranet security zones may cause some Web sites to work incorrectly. If you have difficulty using a Web site after you change this setting, and you are sure the site is safe to use, you can add that site to your list of trusted sites. This will allow the site to work correctly.\r\n\r\nImpact of workaround. There are side effects to prompting before running Active Scripting. Many Web sites that are on the Internet or on an intranet use Active Scripting to provide additional functionality. For example, an online e-commerce site or banking site may use Active Scripting to provide menus, ordering forms, or even account statements. Prompting before running Active Scripting is a global setting that affects all Internet and intranet sites. You will be prompted frequently when you enable this workaround. For each prompt, if you feel you trust the site that you are visiting, click Yes to run Active Scripting. If you do not want to be prompted for all these sites, use the steps outlined in "Add sites that you trust to the Internet Explorer Trusted sites zone".\r\n\r\nAdd sites that you trust to the Internet Explorer Trusted sites zone\r\n\r\nAfter you set Internet Explorer to require a prompt before it runs ActiveX controls and Active Scripting in the Internet zone and in the Local intranet zone, you can add sites that you trust to the Internet Explorer Trusted sites zone. This will allow you to continue to use trusted Web sites exactly as you do today, while helping to protect you from this attack on untrusted sites. We recommend that you add only sites that you trust to the Trusted sites zone.\r\n\r\nTo do this, follow these steps:\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Tools, click Internet Options, and then click the Security tab.\r\n\r\n2.\r\n\t\r\n\r\nIn the Select a Web content zone to specify its current security settings box, click Trusted Sites, and then click Sites.\r\n\r\n3.\r\n\t\r\n\r\nIf you want to add sites that do not require an encrypted channel, click to clear the Require server verification (https:) for all sites in this zone check box.\r\n\r\n4.\r\n\t\r\n\r\nIn the Add this Web site to the zone box, type the URL of a site that you trust, and then click Add.\r\n\r\n5.\r\n\t\r\n\r\nRepeat these steps for each site that you want to add to the zone.\r\n\r\n6.\r\n\t\r\n\r\nClick OK two times to accept the changes and return to Internet Explorer.\r\n\r\nNote Add any sites that you trust not to take malicious action on your system. Two in particular that you may want to add are *.windowsupdate.microsoft.com and *.update.microsoft.com. These are the sites that will host the update, and it requires an ActiveX Control to install the update.\r\nTop of sectionTop of section\r\n\t\r\nFAQ for Cross-Domain Information Disclosure Vulnerability - CVE-2010-3348\r\n\r\nWhat is the scope of the vulnerability? \r\nThis is an information disclosure vulnerability. An attacker who exploited the vulnerability when a user views a Web page could view content from the local computer or a browser window in a domain or Internet Explorer zone other than the domain or zone of the attacker's Web page.\r\n\r\nWhat causes the vulnerability? \r\nInternet Explorer caches data and incorrectly allows the cached content to be rendered as HTML, potentially bypassing Internet Explorer domain restriction.\r\n\r\nWhat might an attacker use the vulnerability to do? \r\nAn attacker who successfully exploited this vulnerability could view content from the local computer or browser window in another domain or Internet Explorer zone.\r\n\r\nHow could an attacker exploit the vulnerability? \r\nAn attacker could host a specially crafted Web site that is designed to exploit this vulnerability through Internet Explorer and then convince a user to view the Web site. The attacker could also take advantage of compromised Web sites and Web sites that accept or host user-provided content or advertisements. These Web sites could contain specially crafted content that could exploit this vulnerability. In all cases, however, an attacker would have no way to force users to visit these Web sites. Instead, an attacker would have to convince users to visit the Web site, typically by getting them to click a link in an e-mail message or in an Instant Messenger message that takes users to the attacker's Web site. It could also be possible to display specially crafted Web content by using banner advertisements or by using other methods to deliver Web content to affected systems.\r\n\r\nWhat systems are primarily at risk from the vulnerability? \r\nThis vulnerability requires that a user be logged on and visiting a Web site for any malicious action to occur. Therefore, any systems where Internet Explorer is used frequently, such as workstations or terminal servers, are at the most risk from this vulnerability.\r\n\r\nI am running Internet Explorer for Windows Server 2003 or Windows Server 2008. Does this mitigate this vulnerability? \r\nYes. By default, Internet Explorer on Windows Server 2003 and Windows Server 2008 runs in a restricted mode that is known as Enhanced Security Configuration. Enhanced Security Configuration is a group of preconfigured settings in Internet Explorer that can reduce the likelihood of a user or administrator downloading and running specially crafted Web content on a server. This is a mitigating factor for Web sites that you have not added to the Internet Explorer Trusted sites zone. See also Managing Internet Explorer Enhanced Security Configuration.\r\n\r\nWhat does the update do? \r\nThe update addresses the vulnerability by modifying the way that Internet Explorer handles script during certain processes.\r\n\r\nWhen this security bulletin was issued, had this vulnerability been publicly disclosed? \r\nYes. This vulnerability has been publicly disclosed. It has been assigned Common Vulnerability and Exposure number CVE-2010-3348.\r\n\r\nWhen this security bulletin was issued, had Microsoft received any reports that this vulnerability was being exploited? \r\nNo. Microsoft had not received any information to indicate that this vulnerability had been publicly used to attack customers and had not seen any examples of proof of concept code published when this security bulletin was originally issued.\r\nTop of sectionTop of section\r\nTop of sectionTop of section\r\n\t\r\nUninitialized Memory Corruption Vulnerability - CVE-2010-3962\r\n\r\nA remote code execution vulnerability exists in the way that Internet Explorer accesses an object that has not been correctly initialized or has been deleted. An attacker could exploit the vulnerability by convincing the user to open a malicious Word document. When a user closes the document, the vulnerability could allow remote code execution. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged-on user. If a user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.\r\n\r\nTo view this vulnerability as a standard entry in the Common Vulnerabilities and Exposures list, see CVE-2010-3962.\r\n\t\r\nMitigating Factors for Uninitialized Memory Corruption Vulnerability - CVE-2010-3962\r\n\r\nMitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability. The following mitigating factors may be helpful in your situation:\r\n\u2022\t\r\n\r\nData Execution Prevention (DEP) helps protect against attacks that result in code execution and is enabled by default in Internet Explorer 8 on the following Windows operating systems: Windows XP Service Pack 3, Windows Vista Service Pack 1, Windows Vista Service Pack 2, and Windows 7.\r\n\u2022\t\r\n\r\nIn a Web-based attack scenario, an attacker could host a Web site that contains a Web page that is used to exploit this vulnerability. In addition, compromised Web sites and Web sites that accept or host user-provided content or advertisements could contain specially crafted content that could exploit this vulnerability. In all cases, however, an attacker would have no way to force users to visit these Web sites. Instead, an attacker would have to convince users to visit the Web site, typically by getting them to click a link in an e-mail message or Instant Messenger message that takes users to the attacker's Web site.\r\n\u2022\t\r\n\r\nAn attacker who successfully exploited this vulnerability could gain the same user rights as the local user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.\r\nTop of sectionTop of section\r\n\t\r\nWorkarounds for Uninitialized Memory Corruption Vulnerability - CVE-2010-3962\r\n\r\nWorkaround refers to a setting or configuration change that does not correct the underlying vulnerability but would help block known attack vectors before you apply the update. Microsoft has tested the following workarounds and states in the discussion whether a workaround reduces functionality:\r\n\u2022\t\r\n\r\nOverride the Web site CSS with a user-defined style sheet\r\n\r\nTo apply a custom cascading style sheet (CSS) for formatting documents loaded in Internet Explorer, save the following text to a file with a .CSS extension, such as KB2458511.CSS:\r\n\r\nTABLE\r\n{\r\n POSI\TION: relative !important;\r\n}\r\n\r\nNote The "\" literal that appears between "POSI" and "TION" above is intentional.\r\n\r\nImpact of workaround. Applying a user-defined CSS may cause Web site style sheets to malfunction. If you previously applied this workaround, this workaround must be reversed before applying this security update. Use the automated Microsoft Fix it solution in Microsoft Knowledge Base Article 2458511 to disable this workaround.\r\n\r\nTo apply the change interactively\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Tools, then Internet Options.\r\n\r\n2.\r\n\t\r\n\r\nOn the General tab, click the Accessibility button.\r\n\r\n3.\r\n\t\r\n\r\nSelect Format documents using my style sheet, click Browse, then browse to location of the above file and select the file.\r\n\r\n4.\r\n\t\r\n\r\nClick Open, click OK twice, then restart Internet Explorer.\r\n\r\nHow to undo the workaround. Repeat the steps above except that for step 3, clear the Format documents using my style sheet box.\r\n\r\nTo apply the change using the Registry Editor\r\n\r\nWarning If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.\r\n\r\n1.\r\n\t\r\n\r\nCreate a backup copy of the registry keys by using the following command from an elevated command prompt:\r\n\r\nregedit /e CSS-backup.reg "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Styles"\r\n\r\nIf no CSS-backup.reg was created, it means that there is no user-defined CSS.\r\n\r\n2.\r\n\t\r\n\r\nNext, save the following to a file with a .REG extension, such as Apply_user_CSS.reg:\r\n\r\nWindows Registry Editor Version 5.00\r\n[HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Styles]\r\n"User Stylesheet"="C:\\[directory location]\\KB2458511.css"\r\n"Use My Stylesheet"=dword:00000001\r\n\r\nNote The [directory location] must match the location of the KB2458511.css on the local system.\r\n\r\n3.\r\n\t\r\n\r\nThen run Apply_user_CSS.reg to apply the setting.\r\n\r\nHow to undo the workaround. If a previous user-defined CSS existed, use the CSS-backup.reg file to restore the previous setting. If not, save the following to a file with a .REG extension, such as Remove_user_CSS.reg:\r\n\r\nWindows Registry Editor Version 5.00\r\n[-HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Styles]\r\n\r\nThen run Remove_user_CSS.reg with the following command from an elevated command prompt:\r\n\r\nRegedit.exe /s Remove_user_CSS.reg\r\n\r\nTo apply the change using the automated Microsoft Fix it solution\r\n\r\nSee Microsoft Knowledge Base Article 2458511 to use the automated Microsoft Fix it solution to enable or disable this workaround.\r\n\u2022\t\r\n\r\nEnable Data Execution Prevention (DEP) for Internet Explorer 7\r\n\r\nLocal Administrators can control DEP/NX by running Internet Explorer as an Administrator. To enable DEP, use one of the following methods:\r\n\r\nEnable DEP for Internet Explorer 7 interactively\r\n\r\n1.\r\n\t\r\n\r\nIn Internet Explorer, click Tools, click Internet Options, and then click Advanced.\r\n\r\n2.\r\n\t\r\n\r\nClick Enable memory protection to help mitigate online attacks.\r\n\r\nImpact of workaround. Some browser extensions may not be compatible with DEP and may exit unexpectedly.\r\n\r\nHow to undo workaround. If this occurs, you can disable the add-on, or revert the DEP setting using the Internet Control Panel. This is also accessible using the System Control panel.\r\n\r\nEnable DEP for Internet Explorer 7 using automated Microsoft Fix It\r\n\r\nSee Microsoft Knowledge Base Article 2458511 to use the automated Microsoft Fix it solution to enable or disable this workaround.\r\n\r\nImpact of workaround. Some browser extensions may not be compatible with DEP and may exit unexpectedly.\r\n\r\nHow to undo the workaround. If this occurs, you can disable the add-on, or revert the DEP setting using the automated Microsoft Fix it solution to disable the workaround.\r\n\u2022\t\r\n\r\nRead e-mails in plain text\r\n\r\nTo help protect yourself from the e-mail attack vector, read e-mail messages in plain text format.\r\n\r\nMicrosoft Office Outlook 2002 users who have applied Office XP Service Pack 1 or a later version and Microsoft Office Outlook Express 6 users who have applied Internet Explorer 6 Service Pack 1 or a later version can enable this setting and view e-mail messages that are not digitally signed or e-mail messages that are not encrypted in plain text only.\r\n\r\nDigitally signed e-mail messages or encrypted e-mail messages are not affected by the setting and may be read in their original formats. For more information about how to enable this setting in Outlook 2002, see Microsoft Knowledge Base Article 307594.\r\n\r\nFor information about this setting in Outlook Express 6, see Microsoft Knowledge Base Article 291387.\r\n\r\nImpact of workaround. E-mail messages that are viewed in plain text format will not contain pictures, specialized fonts, animations, or other rich content. Additionally:\r\n\u2022\t\r\n\r\nThe changes are applied to the preview pane and to open messages.\r\n\u2022\t\r\n\r\nPictures become attachments so that they are not lost.\r\n\u2022\t\r\n\r\nBecause the message is still in Rich Text or HTML format in the store, the object model (custom code solutions) may behave unexpectedly.\r\nTop of sectionTop of section\r\n\t\r\nFAQ for Uninitialized Memory Corruption Vulnerability - CVE-2010-3962\r\n\r\nWhat is the scope of the vulnerability? \r\nThis is a remote code execution vulnerability. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged-on user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.\r\n\r\nWhat causes the vulnerability? \r\nWhen Internet Explorer attempts to access an object that has not been initialized or has been deleted, it may corrupt memory in such a way that an attacker could execute arbitrary code in the context of the logged-on user.\r\n\r\nWhat might an attacker use the vulnerability to do? \r\nAn attacker who successfully exploited this vulnerability could gain the same user rights as a logged-on user. If the user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.\r\n\r\nHow could an attacker exploit the vulnerability? \r\nAn attacker could host a specially crafted Web site that is designed to exploit this vulnerability through Internet Explorer and then convince a user to view the Web site. The attacker could also take advantage of compromised Web sites and Web sites that accept or host user-provided content or advertisements. These Web sites could contain specially crafted content that could exploit this vulnerability. In all cases, however, an attacker would have no way to force users to visit these Web sites. Instead, an attacker would have to convince users to visit the Web site, typically by getting them to click a link in an e-mail message or in an Instant Messenger message that takes users to the attacker's Web site. It could also be possible to display specially crafted Web content by using banner advertisements or by using other methods to deliver Web content to affected systems.\r\n\r\nWhat systems are primarily at risk from the vulnerability? \r\nThis vulnerability requires that a user be logged on and visiting a Web site for any malicious action to occur. Therefore, any systems where Internet Explorer is used frequently, such as workstations or terminal servers, are at the most risk from this vulnerability.\r\n\r\nWhat does the update do? \r\nThe update addresses the vulnerability by modifying the way that Internet Explorer handles objects in memory.\r\n\r\nWhen this security bulletin was issued, had this vulnerability been publicly disclosed? \r\nYes. This vulnerability has been publicly disclosed. It has been assigned Common Vulnerability and Exposure number CVE-2010-3962. This vulnerability was first described in Microsoft Security Advisory 2458511.\r\n\r\nWhen this security bulletin was issued, had Microsoft received any reports that this vulnerability was being exploited? \r\nYes. Microsoft is aware of active attacks attempting to exploit the vulnerability.\r\n\r\nDoes applying this security update help protect customers from the code, published publicly, that attempts to exploit this vulnerability? \r\nYes. This security update addresses the vulnerability that is currently being exploited. The vulnerability that has been addressed has been assigned the Common Vulnerability and Exposure number CVE-2010-3962.\r\n\r\nIf I applied workarounds provided in Microsoft Security Advisory 2458511, do I need to reverse them before applying this update? \r\nMicrosoft recommends that you undo the "Override the Web site CSS" workaround from systems where you have previously applied it, before you install this security update. However, you may leave the "Deploy the Enhanced Mitigation Experience Toolkit" (EMET) and "Enable Data Execution Prevention (DEP) for Internet Explorer 7" workarounds in place as a defense-in-depth measure.\r\n\r\nOther Information\r\nAcknowledgments\r\n\r\nMicrosoft thanks the following for working with us to help protect customers:\r\n\u2022\t\r\n\r\nAniway of VeriSign iDefense Labs for reporting the HTML Object Memory Corruption Vulnerability (CVE-2010-3340)\r\n\u2022\t\r\n\r\nNicolas Joly of VUPEN Vulnerability Research Team for reporting the HTML Object Memory Corruption Vulnerability (CVE-2010-3343)\r\n\u2022\t\r\n\r\nStephen Fewer, working with TippingPoint's Zero Day Initiative, for reporting the HTML Element Memory Corruption Vulnerability (CVE-2010-3345)\r\n\u2022\t\r\n\r\nPeter Vreugdenhil, working with TippingPoint's Zero Day Initiative, for reporting the HTML Element Memory Corruption Vulnerability (CVE-2010-3346)\r\n\u2022\t\r\n\r\nYosuke Hasegawa for working with us on the Cross-Domain Information Disclosure Vulnerability (CVE-2010-3348)\r\n\u2022\t\r\n\r\nJose Antonio Vazquez Gonzalez of VeriSign iDefense Labs for reporting the Uninitialized Memory Corruption Vulnerability (CVE-2010-3962)\r\nTop of sectionTop of section\r\nMicrosoft Active Protections Program (MAPP)\r\n\r\nTo improve security protections for customers, Microsoft provides vulnerability information to major security software providers in advance of each monthly security update release. Security software providers can then use this vulnerability information to provide updated protections to customers via their security software or devices, such as antivirus, network-based intrusion detection systems, or host-based intrusion prevention systems. To determine whether active protections are available from security software providers, please visit the active protections Web sites provided by program partners, listed in Microsoft Active Protections Program (MAPP) Partners.\r\n\r\nSupport\r\n\u2022\t\r\n\r\nCustomers in the U.S. and Canada can receive technical support from Security Support or 1-866-PCSAFETY. There is no charge for support calls that are associated with security updates. For more information about available support options, see Microsoft Help and Support.\r\n\u2022\t\r\n\r\nInternational customers can receive support from their local Microsoft subsidiaries. There is no charge for support that is associated with security updates. For more information about how to contact Microsoft for support issues, visit the International Support Web site.\r\n\r\nDisclaimer\r\n\r\nThe information provided in the Microsoft Knowledge Base is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.\r\n\r\nRevisions\r\n\u2022\t\r\n\r\nV1.0 (December 14, 2010): Bulletin published.", "modified": "2010-12-15T00:00:00", "published": "2010-12-15T00:00:00", "id": "SECURITYVULNS:DOC:25311", "href": "https://vulners.com/securityvulns/SECURITYVULNS:DOC:25311", "title": "Microsoft Security Bulletin MS10-090 - Critical Cumulative Security Update for Internet Explorer (2416400)", "type": "securityvulns", "cvss": {"score": 9.3, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}, {"lastseen": "2018-08-31T11:10:38", "bulletinFamily": "software", "description": "VUPEN Security Research - Microsoft Internet Explorer Animation \r\nUse-after-free Vulnerability (VUPEN-SR-2010-199)\r\n\r\nhttp://www.vupen.com/english/research.php\r\n\r\n\r\nI. BACKGROUND\r\n---------------------\r\n\r\n""Microsoft Internet Explorer is a web browser developed by Microsoft and\r\nincluded as part of the Microsoft Windows line of operating systems with\r\nmore than 60% of the worldwide usage share of web browsers." (Wikipedia)\r\n\r\n\r\nII. DESCRIPTION\r\n---------------------\r\n\r\nVUPEN Vulnerability Research Team discovered a critical vulnerability\r\nin Microsoft Internet Explorer.\r\n\r\nThe vulnerability is caused by a use-after-free vulnerability when handling\r\ncertain animation behaviours, which could be exploited by remote attackers\r\nto execute arbitrary code by tricking a user into visiting a malicious web\r\npage.\r\n\r\n\r\nIII. AFFECTED PRODUCTS\r\n---------------------------\r\n\r\nInternet Explorer 6 for Windows XP Service Pack 3\r\nInternet Explorer 6 for Windows XP Professional x64 Edition Service Pack 2\r\nInternet Explorer 6 for Windows Server 2003 Service Pack 2\r\nInternet Explorer 6 for Windows Server 2003 x64 Edition Service Pack 2\r\nInternet Explorer 6 for Windows Server 2003 SP2 (Itanium)\r\n\r\n\r\nIV. Binary Analysis & Exploits/PoCs\r\n---------------------------------------\r\n\r\nIn-depth binary analysis of the vulnerability and a code execution exploit\r\nor proof-of-concept are available through the VUPEN Binary Analysis &\r\nExploits Service :\r\n\r\nhttp://www.vupen.com/english/services/ba-index.php\r\n\r\n\r\nV. VUPEN Threat Protection Program\r\n-----------------------------------\r\n\r\nOrganizations and corporations which are members of the VUPEN Threat\r\nProtection Program (TPP) have been alerted about the vulnerability when it\r\nwas discovered by VUPEN, and have received a detailed detection guidance\r\nto proactively protect national and critical infrastructures against\r\npotential attacks exploiting this vulnerability:\r\n\r\nhttp://www.vupen.com/english/services/tpp-index.php\r\n\r\n\r\nVI. SOLUTION\r\n----------------\r\n\r\nApply MS10-090 security updates.\r\n\r\n\r\nVII. CREDIT\r\n--------------\r\n\r\nThis vulnerability was discovered by Nicolas Joly of VUPEN Security\r\n\r\n\r\nVIII. ABOUT VUPEN Security\r\n---------------------------\r\n\r\nVUPEN is a leading IT security research company providing vulnerability\r\nmanagement and security intelligence solutions which enable enterprises\r\nand institutions to eliminate vulnerabilities before they can be exploited,\r\nensure security policy compliance and meaningfully measure and manage risks.\r\n\r\nGovernmental and federal agencies, and global enterprises in the financial\r\nservices, insurance, manufacturing and technology industries rely on VUPEN\r\nto improve their security, prioritize resources, cut time and costs, and\r\nstay ahead of the latest threats.\r\n\r\n* VUPEN Vulnerability Notification Service (VNS) :\r\nhttp://www.vupen.com/english/services/vns-index.php\r\n\r\n* VUPEN Binary Analysis & Exploits Service (BAE) :\r\nhttp://www.vupen.com/english/services/ba-index.php\r\n\r\n* VUPEN Threat Protection Program for Govs (TPP) :\r\nhttp://www.vupen.com/english/services/tpp-index.php\r\n\r\n* VUPEN Web Application Security Scanner (WASS) :\r\nhttp://www.vupen.com/english/services/wass-index.php\r\n\r\n\r\nIX. REFERENCES\r\n----------------------\r\n\r\nhttp://www.vupen.com/english/research-vuln.php\r\nhttp://www.microsoft.com/technet/security/bulletin/ms10-090.mspx\r\nhttp://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-3343\r\n\r\n\r\nX. DISCLOSURE TIMELINE\r\n-----------------------------\r\n\r\n2010-04-29 - Vendor notified\r\n2010-04-29 - Vendor response\r\n2010-12-01 - Status update received\r\n2010-12-14 - Coordinated disclosure\r\n", "modified": "2010-12-16T00:00:00", "published": "2010-12-16T00:00:00", "id": "SECURITYVULNS:DOC:25331", "href": "https://vulners.com/securityvulns/SECURITYVULNS:DOC:25331", "title": "VUPEN Security Research - Microsoft Internet Explorer Animation Use-after-free Vulnerability (VUPEN-SR-2010-199)", "type": "securityvulns", "cvss": {"score": 9.3, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}, {"lastseen": "2018-08-31T11:10:38", "bulletinFamily": "software", "description": "iDefense Security Advisory 12.14.10\r\nhttp://labs.idefense.com/intelligence/vulnerabilities/\r\nDec 14, 2010\r\n\r\nI. BACKGROUND\r\n\r\nInternet Explorer is a graphical web browser developed by Microsoft\r\nCorp. that has been included with Microsoft Windows since 1995. For\r\nmore information about Internet Explorer, please the visit following\r\nwebsite:\r\n\r\nhttp://www.microsoft.com/ie/\r\n\r\nII. DESCRIPTION\r\n\r\nRemote exploitation of a memory corruption vulnerability in Microsoft\r\nCorp.'s Internet Explorer could allow an attacker to execute arbitrary\r\ncode with the privileges of the current user. <BR> <BR> T During the\r\ninstantiation of multiple ActiveX Controls, a particular object is\r\ncreated along with multiple references that point to the object. The\r\nobject can be destroyed and its associated references removed. However,\r\na reference can incorrectly remain pointing to the object. The invalid\r\nobject resides in uninitialized memory, which the attacker may control\r\nto gain arbitrary execution control.\r\n\r\nIII. ANALYSIS\r\n\r\nExploitation of this vulnerability results in the execution of arbitrary\r\ncode with the privileges of the user viewing the web page. To exploit\r\nthis vulnerability, a targeted user must load a malicious webpage\r\ncreated by an attacker. An attacker typically accomplishes this via\r\nsocial engineering or injecting content into a compromised, trusted\r\nsite.\r\n\r\nIV. DETECTION\r\n\r\nMicrosoft Internet Explorer 6, 7 and 8 are vulnerable.\r\n\r\nV. WORKAROUND\r\n\r\nMicrosoft suggested workarounds can be found in Microsoft Security\r\nBulletin MS10-090.\r\n\r\nVI. VENDOR RESPONSE\r\n\r\nMicrosoft Corp. has released patches which address this issue.\r\nInformation about downloadable vendor updates can be found by clicking\r\non the URLs shown.\r\n\r\nhttp://www.microsoft.com/technet/security/Bulletin/MS10-090.mspx\r\n\r\nVII. CVE INFORMATION\r\n\r\nThe Common Vulnerabilities and Exposures (CVE) project has assigned the\r\nname CVE-2010-3340 to this issue. This is a candidate for inclusion in\r\nthe CVE list (http://cve.mitre.org/), which standardizes names for\r\nsecurity problems.\r\n\r\nVIII. DISCLOSURE TIMELINE\r\n\r\n03/24/2010 Initial Vendor Notification\r\n03/24/2010 Initial Vendor Reply\r\n12/14/2010 Coordinated Public Disclosure\r\n\r\nIX. CREDIT\r\n\r\nThis vulnerability was reported to iDefense by Aniway.\r\n\r\nGet paid for vulnerability research\r\nhttp://labs.idefense.com/methodology/vulnerability/vcp.php\r\n\r\nFree tools, research and upcoming events\r\nhttp://labs.idefense.com/\r\n\r\nX. LEGAL NOTICES\r\n\r\nCopyright \u00a9 2010 iDefense, Inc.\r\n\r\nPermission is granted for the redistribution of this alert\r\nelectronically. It may not be edited in any way without the express\r\nwritten consent of iDefense. If you wish to reprint the whole or any\r\npart of this alert in any other medium other than electronically,\r\nplease e-mail customerservice@idefense.com for permission.\r\n\r\nDisclaimer: The information in the advisory is believed to be accurate\r\nat the time of publishing based on currently available information. Use\r\nof the information constitutes acceptance for use in an AS IS condition.\r\n There are no warranties with regard to this information. Neither the\r\nauthor nor the publisher accepts any liability for any direct,\r\nindirect, or consequential loss or damage arising from use of, or\r\nreliance on, this information.", "modified": "2010-12-15T00:00:00", "published": "2010-12-15T00:00:00", "id": "SECURITYVULNS:DOC:25313", "href": "https://vulners.com/securityvulns/SECURITYVULNS:DOC:25313", "title": "iDefense Security Advisory 12.14.10: Microsoft Internet Explorer HTML Object Memory Corruption Vulnerability", "type": "securityvulns", "cvss": {"score": 9.3, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}], "mskb": [{"lastseen": "2019-12-12T16:07:48", "bulletinFamily": "microsoft", "description": "<html><body><p>Resolves vulnerabilities in Internet Explorer that could allow remote code execution if a user views a specially crafted Web page using Internet Explorer.</p><h2></h2><div class=\"kb-notice-section section\">The update that this article describes has been replaced by a newer update. To resolve this problem, install the most current cumulative security update for Internet Explorer. To install the most current update, visit the following Microsoft website:<br/><div class=\"indent\"><a href=\"http://update.microsoft.com/microsoftupdate\" id=\"kb-link-1\" target=\"_self\">http://update.microsoft.com/microsoftupdate</a><br/></div> <br/> <br/>For more technical information about the most current cumulative security update for Internet Explorer, visit the following Microsoft website:<br/><div class=\"indent\"><a href=\"http://www.microsoft.com/technet/security/current.aspx\" id=\"kb-link-2\" target=\"_self\">http://www.microsoft.com/technet/security/current.aspx</a><br/></div><span><span class=\"text-base\">Important</span> This article contains information that shows you how to help lower security settings or how to turn off security features on a computer. You can make these changes to work around a specific problem. Before you make these changes, we recommend that you evaluate the risks that are associated with implementing this workaround in your particular environment. If you implement this workaround, take any appropriate additional steps to help protect the computer. </span></div><h2>INTRODUCTION</h2><div class=\"kb-summary-section section\">Microsoft has released security bulletin MS10-090. To view the complete security bulletin, visit one of the following Microsoft websites: <ul class=\"sbody-free_list\"><li>Home users:<br/><div class=\"indent\"><a href=\"http://www.microsoft.com/security/updates/bulletins/201012.aspx\" id=\"kb-link-3\" target=\"_self\">http://www.microsoft.com/security/updates/bulletins/201012.aspx</a></div><span class=\"text-base\">Skip the details</span>: Download the updates for your home computer or laptop from the Microsoft Update website now:<br/><div class=\"indent\"><a href=\"http://update.microsoft.com/microsoftupdate/\" id=\"kb-link-4\" target=\"_self\">http://update.microsoft.com/microsoftupdate/</a></div></li><li>IT professionals:<br/><div class=\"indent\"><a href=\"http://www.microsoft.com/technet/security/bulletin/ms10-090.mspx\" id=\"kb-link-5\" target=\"_self\">http://www.microsoft.com/technet/security/bulletin/MS10-090.mspx</a></div></li></ul><span><h3 class=\"sbody-h3\">How to obtain help and support for this security update</h3> <br/>Help installing updates: <br/><a href=\"https://support.microsoft.com/ph/6527\" id=\"kb-link-6\" target=\"_self\">Support for Microsoft Update</a><br/><br/>Security solutions for IT professionals: <br/><a href=\"http://technet.microsoft.com/security/bb980617.aspx\" id=\"kb-link-7\" target=\"_self\">TechNet Security Troubleshooting and Support</a><br/><br/>Help protect your computer that is running Windows from viruses and malware:<br/><a href=\"https://support.microsoft.com/contactus/cu_sc_virsec_master\" id=\"kb-link-8\" target=\"_self\">Virus Solution and Security Center</a><br/><br/>Local support according to your country: <br/><a href=\"https://support.microsoft.com/common/international.aspx\" id=\"kb-link-9\" target=\"_self\">International Support</a><br/><br/></span></div><h2>More Information</h2><div class=\"kb-moreinformation-section section\"><h3 class=\"sbody-h3\">Known issues with this security update</h3><span class=\"text-base\">Note</span> The following issues are resolved by security update 2482017. For more information, click the following article number to view the article in the Microsoft Knowledge Base:<br/><div class=\"indent\"><a href=\"https://support.microsoft.com/en-us/help/2482017\" id=\"kb-link-10\">2482017 </a> MS11-003: Cumulative security update for Internet Explorer</div> <br/><br/><br/>After you install this security update, you may also have to install update <a href=\"https://support.microsoft.com/help/2467659\" id=\"kb-link-11\" target=\"_self\">2467659</a>. To determine whether you have to install update 2467659, review the known issues in the following list:<br/><br/><br/><br/><br/> <ul class=\"sbody-free_list\"><li>This security update contains a fix that turns off the automatic detection of Japanese Industrial Standard (JIS) encoding. However, some software uses a component in Internet Explorer to interpret Japanese email messages that are in HTML format. Therefore, the content of the email message may be displayed in unreadable code. This issue occurs because the JIS encoding is not automatically detected. To resolve this issue, install update <a href=\"https://support.microsoft.com/help/2467659\" id=\"kb-link-12\" target=\"_self\">2467659</a>.<br/><br/></li><li> <br/>When you print or view the Print Preview page of an affected webpage in Internet Explorer, garbled characters may appear on the Print Preview and on the printed documents. This issue occurs even if you press F5 to reload the website. </li><li><br/>After you install this security update, you may be prompted to install this security update again when you scan the system by using Windows Update, Microsoft Update, Microsoft Windows Server Update Services (WSUS) server or Microsoft Baseline Security Analyzer (MBSA). This issue may occur if you installed this security update, but you have not installed update 2467659. To resolve this issue, approve the installation of update 2467659 in WSUS or install update <a href=\"https://support.microsoft.com/help/2467659\" id=\"kb-link-13\" target=\"_self\">2467659</a> from Windows Update, Microsoft Update or from the Microsoft Download center.<br/><br/><br/><br/></li><li> After you install this security update, some Japan Industrial Standard (JIS) websites may not appear correctly in Internet Explorer. This issue can occur if the JIS-based website does not specify JIS encoding in the HTTP headers. For example, the website only specifies JIS in a Meta tag. <br/><br/>To work around this issue, use one of the following methods:<br/><h4 class=\"sbody-h4\">Server-side workaround<br/></h4>To work around this problem from the server-side, the website's administrator can configure the webpage to use the following HTTP header:<br/><div class=\"sbody-code\"><pre><code>Content-Type: text/html;charset=iso-2022-jp</code></pre></div><br/><br/><h4 class=\"sbody-h4\">Client-side workarounds</h4>Use either of the following methods on the client computer to work around this issue:<br/><ul class=\"sbody-free_list\"><li>To work around this issue while you are viewing the website, press F5 to refresh the page. <br/><br/><br/><br/><br/><br/><br/><br/><br/></li><li>Alternatively, you can delete the <span class=\"text-base\">Iexplore.exe</span> and <span class=\"text-base\">explore.exe</span> registry DWORD entries from the registry on the client computer to unblock the JIS auto-detection. <br/><br/><span><span class=\"text-base\">Warning</span> This workaround may make a computer or a network more vulnerable to attack by malicious users or by malicious software such as viruses. We do not recommend this workaround but are providing this information so that you can implement this workaround at your own discretion. Use this workaround at your own risk. </span>Specifically, if you delete the <span class=\"text-base\">Iexplore.exe</span> and <span class=\"text-base\">explore.exe</span> registry DWORD entries, the system may be more vulnerable to the security issues that are described in CVE-2010-3342 and CVE-2010-3348. For more information, see the following security bulletin:<br/><div class=\"indent\"><a href=\"http://www.microsoft.com/technet/security/bulletin/ms10-090.mspx\" id=\"kb-link-14\" target=\"_self\">http://www.microsoft.com/technet/security/bulletin/MS10-090.mspx</a></div>The security bulletin provides more information about the issue in the following sections:<br/><ul class=\"sbody-free_list\"><li> Cross-Domain Information Disclosure Vulnerability - CVE-2010-3342 </li><li>Cross-Domain Information Disclosure Vulnerability - CVE-2010-3348</li></ul> <br/><br/>This information includes the following:<br/><ul class=\"sbody-free_list\"><li>Mitigating Factors</li><li>Workarounds</li><li>FAQ</li></ul><span><span class=\"text-base\">Important</span>This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base: <div class=\"indent\"><a href=\"https://support.microsoft.com/en-us/help/322756\" id=\"kb-link-15\">322756 </a>How to back up and restore the registry in Windows </div></span><br/>To delete the <span class=\"text-base\">Iexplore.exe</span> and <span class=\"text-base\">Explore.exe</span> registry DWORD entries, follow these steps:<br/><ol class=\"sbody-num_list\"><li>Click <strong class=\"uiterm\">Start</strong><img alt=\" Start button \" class=\"graphic\" src=\"/library/images/support/kbgraphics/public/en-us/vistastartbutton.jpg\" title=\" Start button \"/>, type <span class=\"sbody-userinput\">regedit</span> in the <strong class=\"uiterm\">Start Search</strong> box, and then click <strong class=\"uiterm\">regedit.exe</strong> in the <strong class=\"uiterm\">Programs</strong> list.<br/><br/><br/><img alt=\" User Account Control permission \" class=\"graphic\" src=\"/library/images/support/kbgraphics/public/en-us/securityshield.jpg\" title=\" User Account Control permission \"/> If you are prompted for an administrator password or confirmation, type your password or click <strong class=\"uiterm\">Continue</strong>. </li><li>Locate and then click the following subkey in the registry:<br/><div class=\"indent\"><strong class=\"sbody-strong\">HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Internet Explorer\\MAIN\\FeatureControl\\FEATURE_DISABLE_ISO_2022_JP_SNIFFING<br/></strong></div></li><li>Right-click <strong class=\"uiterm\">Iexplore.exe</strong>, and then click <strong class=\"uiterm\">Delete</strong>. </li><li>Click <strong class=\"uiterm\">Yes</strong> to verify. </li><li>Right-click <strong class=\"uiterm\">Explore.exe</strong>, and then click <strong class=\"uiterm\">Delete</strong>. </li><li>Click <strong class=\"uiterm\">Yes</strong> to verify. </li><li>Exit Registry Editor, and then restart the computer. </li></ol>For more information about the <span class=\"text-base\">FEATURE_DISABLE_ISO_2022_JP_SNIFFING</span> registry subkey, see the following article in the Microsoft Knowledge Base:<br/><div class=\"indent\"><a href=\"https://support.microsoft.com/en-us/help/2467659\" id=\"kb-link-16\">2467659 </a> An update is available for Internet Explorer: December 14, 2010</div></li></ul></li></ul><h4 class=\"sbody-h4\">Update 2467659</h4>For more information about update 2467659, click the following article number to view the article in the Microsoft Knowledge Base:<br/><div class=\"indent\"><a href=\"https://support.microsoft.com/en-us/help/2467659\" id=\"kb-link-17\">2467659 </a> An update is available for Internet Explorer: December 14, 2010</div><br/>To install update 2467659, visit the following Microsoft website:<br/><div class=\"indent\"><a href=\"http://update.microsoft.com\" id=\"kb-link-18\" target=\"_self\">http://update.microsoft.com</a></div><h3 class=\"sbody-h3\">Non-security-related fixes that are included in this security update</h3><h4 class=\"sbody-h4\">General distribution release (GDR) fixes</h4>Individual updates may not be installed, depending on the version of Windows and the version of the affected application. Please view the individual articles to determine your update status.<br/><div class=\"table-responsive\"><table class=\"sbody-table table\"><tr class=\"sbody-tr\"><th class=\"sbody-th\">Article number</th><th class=\"sbody-th\">Article title</th></tr><tr class=\"sbody-tr\"><td class=\"sbody-td\"><a href=\"https://support.microsoft.com/en-us/help/2437070\" id=\"kb-link-19\">2437070 </a></td><td class=\"sbody-td\">A memory leak occurs when you use the WinINet API in an application to send HTTPS requests to a server</td></tr><tr class=\"sbody-tr\"><td class=\"sbody-td\"><a href=\"https://support.microsoft.com/en-us/help/925683\" id=\"kb-link-20\">925683 </a></td><td class=\"sbody-td\">In Internet Explorer 6 or in Internet Explorer 8, the OnChange event in a field does not occur when you change the \"?\" character to \"ss\" characters, or when you change \"ss\" characters to the \"?\" character</td></tr><tr class=\"sbody-tr\"><td class=\"sbody-td\"><a href=\"https://support.microsoft.com/en-us/help/975736\" id=\"kb-link-21\">975736 </a></td><td class=\"sbody-td\">A memory leak occurs when you open a Web page that contains a circular reference in an iframe</td></tr></table></div><h4 class=\"sbody-h4\">Hotfixes</h4>Security update 2416400 packages for Windows XP and for Windows Server 2003 include Internet Explorer hotfix files and general distribution release (GDR) files. If no existing Internet Explorer files are from the hotfix environment, security update 2416400 installs the GDR files. <br/><br/>Hotfixes are intended to correct only the problems that are described in the Microsoft Knowledge Base articles that are associated with the hotfixes. Apply hotfixes only to systems that are experiencing these specific problems. <br/><br/>These hotfixes may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains these hotfixes. <span>For more information about how to install the hotfixes that are included in security update 2416400, click the following article number to view the article in the Microsoft Knowledge Base: <div class=\"indent\"><a href=\"https://support.microsoft.com/en-us/help/897225\" id=\"kb-link-22\">897225 </a>How to install hotfixes that are included in cumulative security updates for Internet Explorer </div></span><br/><span class=\"text-base\">Note</span>In addition to installing hotfix files, review the Microsoft Knowledge Base article that is associated with the specific hotfix that you have to install to determine the registry modification that is required to enable that specific hotfix. <br/><br/><span>For more information about how to determine whether your existing Internet Explorer files are from the hotfix or from the GDR environment, click the following article number to view the article in the Microsoft Knowledge Base: <div class=\"indent\"><a href=\"https://support.microsoft.com/en-us/help/824994\" id=\"kb-link-23\">824994 </a>Description of the contents of Windows XP Service Pack 2 and Windows Server 2003 software update packages </div></span></div><h2>Fix it for me</h2><div class=\"kb-resolution-section section\"><a class=\"bookmark\" id=\"fixitforme\"></a>The Fix it solutions that are described in this section are not intended to be replacements for any security updates. We recommend that you always install the latest security updates. However, we offer the Fix it solutions as workaround options for some scenarios. These Fix it solutions help to resolve the security issue described in CVE-2010-3962. For more information about the security issue and the workarounds, visit the following Microsoft Security Bulletin webpage:<br/><div class=\"indent\"><a href=\"http://www.microsoft.com/technet/security/bulletin/ms10-090.mspx\" id=\"kb-link-24\" target=\"_self\">http://www.microsoft.com/technet/security/bulletin/MS10-090.mspx</a></div>The security bulletin provides more information about the issue in the \"Uninitialized Memory Corruption Vulnerability - CVE-2010-3962\" section. This information includes the following:<br/><ul class=\"sbody-free_list\"><li>Mitigating Factors</li><li>Workarounds</li><li>FAQ</li></ul>Two Fix it solutions are available: <br/><br/><ul class=\"sbody-free_list\"><li><span class=\"text-base\">Fix it solution for the user-defined CSS</span><br/>A Fix it solution is available that enables supported versions of Internet Explorer to override a website's cascading style sheets style by using a custom CSS for formatting documents. <br/><br/>To remove the user-defined CSS and to restore the original settings, click the <strong class=\"uiterm\">Fix it</strong> button or link under the <strong class=\"uiterm\">Remove User-Defined CSS</strong> heading in the \"<a bookmark-id=\"fixitforme1\" href=\"#fixitforme1\" managed-link=\"\" target=\"\">Fix it solution for the user-defined CSS</a>\" section. <br/></li><li><span class=\"text-base\">Fix it solution for Data Execution Prevention in Internet Explorer 7</span><br/>We have created an application compatibility database that will enable Data Execution Prevention (DEP) for all versions of Internet Explorer that support DEP.<br/><br/><br/>To install this application compatibility database, click the <strong class=\"uiterm\">Fix it</strong> button in the \"<a bookmark-id=\"fixitformealways\" href=\"#fixitformealways\" managed-link=\"\" target=\"\">Fix it solution for Data Execution Prevention in Internet Explorer 7</a>\" section.</li></ul><a class=\"bookmark\" id=\"fixitforme1\"></a><h3 class=\"sbody-h3\">Fix it solution for the user-defined CSS</h3>To enable or to disable the user-defined CSS workaround automatically, click the <strong class=\"uiterm\">Fix it</strong> button or link under the <strong class=\"uiterm\">Apply User-Defined CSS</strong> heading or under the <strong class=\"uiterm\">Remove User-Defined CSS</strong> heading. Click <strong class=\"uiterm\">Run</strong> in the <strong class=\"uiterm\"> File Download</strong> dialog box, and then follow the steps in the Fix it wizard. <br/><div class=\"table-responsive\"><table class=\"sbody-table table\"><tr class=\"sbody-tr\"><th class=\"sbody-th\">Apply User-Defined CSS</th><th class=\"sbody-th\">Remove User-Defined CSS</th></tr><tr class=\"sbody-tr\"><td class=\"sbody-td\"><span><div caption=\"Microsoft Fix it\" fix-it=\"\" link=\"http://go.microsoft.com/?linkid=9750329\" text=\"Download\"></div></span></td><td class=\"sbody-td\"><span><div caption=\"Microsoft Fix it\" fix-it=\"\" link=\"http://go.microsoft.com/?linkid=9750330\" text=\"Download\"></div></span></td></tr></table></div><br/><span class=\"text-base\">Notes</span><ul class=\"sbody-free_list\"><li>These wizards may be in English only. However, the automatic fixes also work for other language versions of Windows. </li><li>If you are not logged on to the computer that has the problem, you can save the automatic fix to a flash drive or to a CD and then run the automatic fix on the computer that has the problem. </li><li>If you decide not to install the current security update and instead choose to use the workaround that is described in security bulletin MS10-090, you can click the <strong class=\"uiterm\">Fix it</strong> button to enable or to disable applying the user-defined CSS. </li></ul><h4 class=\"sbody-h4\">Known issues with the Fix it solution for the user-defined CSS</h4><ul class=\"sbody-free_list\"><li>In some scenarios, Group policy may block this Fix it solution from being installed on systems that are running Windows Server 2008 or Windows Server 2008 R2. When the issue occurs, you may receive an error message that resembles the following: <br/><div class=\"sbody-error\">The system administrator has set policies to prevent this installation.<br/></div><br/>Contact the system administrator for more information about how to change the policy to allow the installation. </li><li>You may be unable to install this fixit solution if a <span class=\"text-base\">Styles</span> registry subkey exists in the following location in the registry:<br/><div class=\"indent\"><strong class=\"sbody-strong\">HKEY_CURRENT_USER\\Software\\Microsoft\\Internet Explorer\\Styles<br/></strong></div>To resolve this issue, remove the <span class=\"text-base\">Styles</span> registry subkey, and then install the Fix it. <br/><br/><span class=\"text-base\">Note</span> you can export the <span class=\"text-base\">Styles</span> registry subkey, and then re-import the key after you install the fixit solution. To do this, follow these steps:<br/><ol class=\"sbody-num_list\"><li>Right-click the <span class=\"text-base\">Styles</span> registry subkey, and then click <span class=\"text-base\">Export</span>. </li><li>Type a name for the temporary .REG file, and then save it to the desktop. </li><li>Right-click the <span class=\"text-base\">Styles</span> registry subkey, and then click <span class=\"text-base\">Delete key</span>. Click <span class=\"text-base\">Yes</span> to verify. </li><li>Install the fixit solution. </li><li>Double-click the temporary .REG file that you saved on the desktop to import the registry subkey. Click <span class=\"text-base\">Yes</span> to verify. </li></ol></li></ul><a class=\"bookmark\" id=\"fixitformealways\"></a><h3 class=\"sbody-h3\">Fix it solution for Data Execution Prevention in Internet Explorer 7</h3>To enable or to disable DEP automatically in Internet Explorer 7, click the <strong class=\"uiterm\">Fix it</strong>button or link. Click<br/><strong class=\"uiterm\">Run</strong>in the<br/><strong class=\"uiterm\"> File Download</strong>dialog box, and then follow the steps in the Fix it wizard. <br/><div class=\"table-responsive\"><table class=\"sbody-table table\"><tr class=\"sbody-tr\"><th class=\"sbody-th\">Enable the application compatibility database</th><th class=\"sbody-th\">Disable the application compatibility database</th></tr><tr class=\"sbody-tr\"><td class=\"sbody-td\"><span><div caption=\"Microsoft Fix it\" fix-it=\"\" link=\"http://go.microsoft.com/?linkid=9668626\" text=\"Download\"></div></span></td><td class=\"sbody-td\"><span><div caption=\"Microsoft Fix it\" fix-it=\"\" link=\"http://go.microsoft.com/?linkid=9668627\" text=\"Download\"></div></span></td></tr></table></div><span class=\"text-base\">Notes</span><ul class=\"sbody-free_list\"><li>You do not have to have this database if you are using Internet Explorer 8 on Windows XP Service Pack 3 (SP3), on Windows Vista SP1, or on later versions of Windows. This is because Internet Explorer 8 opts-in to DEP by default on these platforms. </li><li>If you decide not to install the current security update and instead decide to use the workaround that is described in MS10-018, you can click the <span class=\"text-base\">Fix it</span> button to enable or to disable DEP. Then, click <strong class=\"uiterm\">Run</strong> in the <strong class=\"uiterm\">File Download</strong> dialog box, and follow the steps in the wizard. </li><li>These wizards may be in English only. However, the automatic fixes also work for other language versions of Windows. </li><li>If you are not logged on to the computer that has the problem, you can save the Fix it solution to a flash drive or to a CD and then run the Fix it solution on the computer that has the problem. </li><li>For this workaround to be effective, your processor must support hardware-enforced DEP. <span>For more information about how to determine whether your system supports hardware-enforced DEP, click the following article number to view the article in the Microsoft Knowledge Base:<br/><div class=\"indent\"><a href=\"https://support.microsoft.com/en-us/help/912923\" id=\"kb-link-25\">912923 </a>How to determine that hardware DEP is available and configured on your computer<br/></div></span></li></ul></div><h2>FILE INFORMATION</h2><div class=\"kb-summary-section section\"><a class=\"bookmark\" id=\"fileinfo\"></a><br/><br/><br/><br/>For a list of files that are provided within these packages, click the following link: <br/><br/><div class=\"indent\"><a href=\"http://download.microsoft.com/download/c/a/7/ca7ac20a-a2d2-41e1-90af-a259a8f8bf73/file attributes tables for security update 2416400.csv\" id=\"kb-link-27\" target=\"_self\">File attributes tables for security update 2416400.csv</a></div> <br/><br/><br/><br/><br/><br/>If you are not sure which version of Windows that you are running or whether it is a 32-bit version or 64-bit version, open System Information (Msinfo32.exe), and review the value that is listed for <strong class=\"uiterm\">System Type</strong>.<br/><br/><br/><br/>You must know which kind of processor platform (x86-based, x64-based, or Itanium-based) that you have. Most users have x86-based processors. If you are not sure which kind of processor platform you have, install the x86-based update on the computer. To do this, follow these steps: <ol class=\"sbody-num_list\"><li>Click <strong class=\"uiterm\">Start</strong>, and then click <strong class=\"uiterm\">Run</strong>, or click <strong class=\"uiterm\">Start Search</strong>. </li><li>Type <strong class=\"uiterm\">msinfo32.exe</strong> and then press ENTER. </li><li>In <strong class=\"uiterm\">System Information</strong>, review the value for <strong class=\"uiterm\">System Type</strong>.<br/><ul class=\"sbody-free_list\"><li>For 32-bit editions of Windows, the <strong class=\"uiterm\">System Type</strong> value is <strong class=\"uiterm\">x86-based PC</strong>. </li><li>For 64-bit editions of Windows, the <strong class=\"uiterm\">System Type</strong> value is <strong class=\"uiterm\">x64-based PC</strong>.\u00a0</li></ul></li></ol><h4 class=\"sbody-h4\">Video: How to determine whether you are running a 32-bit or a 64-bit edition of Windows\u00a0</h4><span><iframe frameborder=\"0\" height=\"360\" marginheight=\"0\" marginwidth=\"0\" scrolling=\"no\" src=\"https://hubs-video.ssl.catalog.video.msn.com/hub/ShowcaseMSN2?csid=ux-cms-en-us-msoffice&iframe=true&uuid=f4bdcc15-c0f6-4f72-9bc4-ab031ec43612&PlaybackMode=inline&Quality=HQ&AutoPlayVideo=false&width=640&height=360\" width=\"640\"></iframe></span><br/><span><br/><br/>For more information about how to determine whether you are running a 32-bit or 64-bit edition of Windows, click the following article number to view the article in the Microsoft Knowledge Base:<br/><div class=\"indent\"><a href=\"https://support.microsoft.com/en-us/help/827218\" id=\"kb-link-28\">827218 </a>How to determine whether a computer is running a 32-bit version or a 64-bit version of the Windows operating system<br/></div></span></div></body></html>", "modified": "2014-06-21T14:33:28", "id": "KB2416400", "href": "https://support.microsoft.com/en-us/help/2416400/", "published": "2017-01-07T20:57:46", "title": "MS10-090: Cumulative security update for Internet Explorer", "type": "mskb", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "zdi": [{"lastseen": "2016-11-09T00:18:12", "bulletinFamily": "info", "description": "This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Internet Explorer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\n\nThe specific flaw exists within the application's support for the select tag. Upon adding a particular element to the select tag, the application will free the contents of the select element and then use it. Successful exploitation can lead to code execution under the context of the application.", "modified": "2010-11-09T00:00:00", "published": "2010-12-14T00:00:00", "href": "http://www.zerodayinitiative.com/advisories/ZDI-10-288", "id": "ZDI-10-288", "title": "Microsoft Internet Explorer Recursive Select Element Remote Code Execution Vulnerability", "type": "zdi", "cvss": {"score": 9.3, "vector": "AV:NETWORK/AC:MEDIUM/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}], "jvn": [{"lastseen": "2019-05-29T17:21:53", "bulletinFamily": "info", "description": "\n ## Description\n\nMicrosoft Internet Explorer contains a vulnerability in handling Content-Type, which may result in cross-site scripting.\n\n ## Impact\n\nAn arbitrary script may be executed.\n\n ## Solution\n\n**Update the Software** \nApply the latest update according to the information provided by Microsoft.\n\n ## Products Affected\n\n * Internet Explorer 6 for Windows XP SP3\n * Internet Explorer 6 for Windows XP x64 Edition SP2\n * Internet Explorer 7 for Windows XP SP3\n * Internet Explorer 7 for Windows XP x64 Edition SP2\n * Internet Explorer 7 for Windows Vista SP1 and SP2\n * Internet Explorer 7 forWindows Vista x64 Edition SP1 and Windows Vista x64 Edition SP2\n * Internet Explorer 8 for Windows XP SP3\n * Internet Explorer 8 for Windows XP x64 Edition SP2\n * Internet Explorer 8 for Windows Vista SP1 and SP2\n * Internet Explorer 8 for Windows Vista x64 Edition SP1 and Windows Vista x64 Edition SP2\n * Internet Explorer 8 for Windows 7 and Windows 7 x64\nFor more information, refer to the information provided by Microsoft. \n", "modified": "2010-12-15T00:00:00", "published": "2010-12-15T00:00:00", "id": "JVN:62275332", "href": "http://jvn.jp/en/jp/JVN62275332/index.html", "title": "JVN#62275332: Internet Explorer vulnerable to cross-site scripting", "type": "jvn", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2019-05-29T17:21:53", "bulletinFamily": "info", "description": "\n ## Description\n\nMicrosoft Internet Explorer contains a vulnerability in handling specific UTF-7 encoded characters, which may result in cross-site scripting.\n\n ## Impact\n\nAn arbitrary script may be executed.\n\n ## Solution\n\n**Update the Software** \nApply the latest update according to the information provided by Microsoft.\n\n ## Products Affected\n\n * Internet Explorer 6 for Windows XP SP3\n * Internet Explorer 6 for Windows XP x64 Edition SP2\n * Internet Explorer 7 for Windows XP SP3\n * Internet Explorer 7 for Windows XP x64 Edition SP2\n * Internet Explorer 7 for Windows Vista SP1 and SP2\n * Internet Explorer 7 forWindows Vista x64 Edition SP1 and Windows Vista x64 Edition SP2\n * Internet Explorer 8 for Windows XP SP3\n * Internet Explorer 8 for Windows XP x64 Edition SP2\n * Internet Explorer 8 for Windows Vista SP1 and SP2\n * Internet Explorer 8 for Windows Vista x64 Edition SP1 and Windows Vista x64 Edition SP2\n * Internet Explorer 8 for Windows 7 and Windows 7 x64\n \nFor more information, refer to the information provided by Microsoft. \n\n", "modified": "2010-12-16T00:00:00", "published": "2010-12-15T00:00:00", "id": "JVN:30273074", "href": "http://jvn.jp/en/jp/JVN30273074/index.html", "title": "JVN#30273074: Internet Explorer vulnerable to cross-site scripting", "type": "jvn", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2019-05-29T17:21:53", "bulletinFamily": "info", "description": "\n ## Description\n\nMicrosoft Internet Explorer contains a vulnerability in handling specific EUC-JP or Shift_JIS encoded characters, which may result in cross-site scripting.\n\n ## Impact\n\nAn arbitrary script may be executed.\n\n ## Solution\n\n**Update the Software** \nApply the latest update according to the information provided by Microsoft.\n\n ## Products Affected\n\n * Internet Explorer 6 for Windows XP SP3\n * Internet Explorer 6 for Windows XP x64 Edition SP2\n * Internet Explorer 7 for Windows XP SP3\n * Internet Explorer 7 for Windows XP x64 Edition SP2\n * Internet Explorer 7 for Windows Vista SP1 and SP2\n * Internet Explorer 7 forWindows Vista x64 Edition SP1 and Windows Vista x64 Edition SP2\n * Internet Explorer 8 for Windows XP SP3\n * Internet Explorer 8 for Windows XP x64 Edition SP2\n * Internet Explorer 8 for Windows Vista SP1 and SP2\n * Internet Explorer 8 for Windows Vista x64 Edition SP1 and Windows Vista x64 Edition SP2\n * Internet Explorer 8 for Windows 7 and Windows 7 x64\nFor more information, refer to the information provided by Microsoft. \n", "modified": "2012-06-07T00:00:00", "published": "2010-12-15T00:00:00", "id": "JVN:21120853", "href": "http://jvn.jp/en/jp/JVN21120853/index.html", "title": "JVN#21120853: Internet Explorer vulnerable to cross-site scripting", "type": "jvn", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N"}}]}
