{"href": "https://vulners.com/osvdb/OSVDB:31893", "history": [], "id": "OSVDB:31893", "reporter": "H D Moore(fdlist@digitaloffense.net)", "published": "2007-02-13T15:03:56", "description": "## Vulnerability Description\nA remote memory corruption flaw exists in Internet Explorer. The flaw is triggered when Msb1fren.dll is instantiated as an ActiveX control within Internet Explorer. With a specially crafted web page, an attacker can cause arbitrary code execution resulting in a loss of integrity.\n## Solution Description\nCurrently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.\n## Short Description\nA remote memory corruption flaw exists in Internet Explorer. The flaw is triggered when Msb1fren.dll is instantiated as an ActiveX control within Internet Explorer. With a specially crafted web page, an attacker can cause arbitrary code execution resulting in a loss of integrity.\n## References:\nVendor URL: http://www.microsoft.com\n[Vendor Specific Advisory URL](http://www.microsoft.com/technet/security/Bulletin/MS07-016.mspx)\nSecurity Tracker: 1017643\n[Secunia Advisory ID:24156](https://secuniaresearch.flexerasoftware.com/advisories/24156/)\n[Related OSVDB ID: 31894](https://vulners.com/osvdb/OSVDB:31894)\n[Related OSVDB ID: 31891](https://vulners.com/osvdb/OSVDB:31891)\n[Related OSVDB ID: 31892](https://vulners.com/osvdb/OSVDB:31892)\n[Related OSVDB ID: 31895](https://vulners.com/osvdb/OSVDB:31895)\nMicrosoft Security Bulletin: MS07-016\nMicrosoft Knowledge Base Article: 928090\nISS X-Force ID: 32427\nFrSIRT Advisory: ADV-2007-0584\n[CVE-2007-0219](https://vulners.com/cve/CVE-2007-0219)\nCERT VU: 771788\nBugtraq ID: 22504\n", "title": "Microsoft IE Msb1fren.dll COM Object Instantiation Memory Corruption", "lastseen": "2017-04-28T13:20:28", "bulletinFamily": "software", "type": "osvdb", "cvss": {"score": 10.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}, "hash": "bb675e18381523c44ab798aff16ecf3b4cffabd20c57246066695b0a4e46d328", "references": [], "edition": 1, "cvelist": ["CVE-2007-0219"], "affectedSoftware": [{"name": "Internet Explorer", "operator": "eq", "version": "7"}, {"name": "Internet Explorer", "operator": "eq", "version": "6"}, {"name": "Internet Explorer", "operator": "eq", "version": "5"}], "viewCount": 0, "enchantments": {"score": {"value": 9.3, "vector": "NONE"}, "dependencies": {"references": [{"type": "cve", "idList": ["CVE-2007-0219"]}, {"type": "cert", "idList": ["VU:771788"]}, {"type": "osvdb", "idList": ["OSVDB:31894", "OSVDB:31895"]}, {"type": "securityvulns", "idList": ["SECURITYVULNS:VULN:7233", "SECURITYVULNS:DOC:16063"]}, {"type": "openvas", "idList": ["OPENVAS:102054", "OPENVAS:1361412562310102054"]}, {"type": "nessus", "idList": ["SMB_NT_MS07-016.NASL"]}], "modified": "2017-04-28T13:20:28"}, "vulnersScore": 9.3}, "hashmap": [{"key": "affectedSoftware", "hash": "e65cf271aad95b22a2183ca904b2a410"}, {"key": "bulletinFamily", "hash": "f9fa10ba956cacf91d7878861139efb9"}, {"key": "cvelist", "hash": "56181f68b14b2ac6ca2e267bcf128298"}, {"key": "cvss", "hash": "2bdabeb49c44761f9565717ab0e38165"}, {"key": "description", "hash": "66fff2ba6bc9d723854d9652850d2258"}, {"key": "href", "hash": "048e543b063463a82cddc1426a06bcd9"}, {"key": "modified", "hash": "9471509f495bd9e2f8a0beb1ff8fd72d"}, {"key": "objectVersion", "hash": "56765472680401499c79732468ba4340"}, {"key": "published", "hash": "9471509f495bd9e2f8a0beb1ff8fd72d"}, {"key": "references", "hash": "d41d8cd98f00b204e9800998ecf8427e"}, {"key": "reporter", "hash": "a3872ff648498199f8bac1449f09e560"}, {"key": "title", "hash": "b41bb67ee5a5dd1ba9a1a75f14f6d322"}, {"key": "type", "hash": "1327ac71f7914948578f08c54f772b10"}], "objectVersion": "1.2", "modified": "2007-02-13T15:03:56"}

{"cve": [{"lastseen": "2018-10-13T12:04:59", "bulletinFamily": "NVD", "description": "Microsoft Internet Explorer 5.01, 6, and 7 uses certain COM objects from (1) Msb1fren.dll, (2) Htmlmm.ocx, and (3) Blnmgrps.dll as ActiveX controls, which allows remote attackers to execute arbitrary code via unspecified vectors, a different issue than CVE-2006-4697.", "modified": "2018-10-12T17:42:38", "published": "2007-02-13T18:28:00", "id": "CVE-2007-0219", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2007-0219", "title": "CVE-2007-0219", "type": "cve", "cvss": {"score": 10.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}], "osvdb": [{"lastseen": "2017-04-28T13:20:28", "bulletinFamily": "software", "description": "## Vulnerability Description\nA remote memory corruption flaw exists in Internet Explorer. The flaw is triggered when Blnmgrps.dll is instantiated as an ActiveX control within Internet Explorer. With a specially crafted web page, an attacker can cause arbitrary code execution resulting in a loss of integrity.\n## Solution Description\nCurrently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.\n## Short Description\nA remote memory corruption flaw exists in Internet Explorer. The flaw is triggered when Blnmgrps.dll is instantiated as an ActiveX control within Internet Explorer. With a specially crafted web page, an attacker can cause arbitrary code execution resulting in a loss of integrity.\n## References:\nVendor URL: http://www.microsoft.com\n[Vendor Specific Advisory URL](http://www.microsoft.com/technet/security/Bulletin/MS07-016.mspx)\nSecurity Tracker: 1017643\n[Secunia Advisory ID:24156](https://secuniaresearch.flexerasoftware.com/advisories/24156/)\n[Related OSVDB ID: 31894](https://vulners.com/osvdb/OSVDB:31894)\n[Related OSVDB ID: 31891](https://vulners.com/osvdb/OSVDB:31891)\n[Related OSVDB ID: 31892](https://vulners.com/osvdb/OSVDB:31892)\n[Related OSVDB ID: 31893](https://vulners.com/osvdb/OSVDB:31893)\nMicrosoft Security Bulletin: MS07-016\nMicrosoft Knowledge Base Article: 928090\nISS X-Force ID: 32427\nFrSIRT Advisory: ADV-2007-0584\n[CVE-2007-0219](https://vulners.com/cve/CVE-2007-0219)\nCERT VU: 771788\nBugtraq ID: 22504\n", "modified": "2007-02-13T15:03:56", "published": "2007-02-13T15:03:56", "href": "https://vulners.com/osvdb/OSVDB:31895", "id": "OSVDB:31895", "title": "Microsoft IE Blnmgrps.dll COM Object Instantiation Memory Corruption", "type": "osvdb", "cvss": {"score": 10.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}, {"lastseen": "2017-04-28T13:20:28", "bulletinFamily": "software", "description": "## Vulnerability Description\nA remote memory corruption flaw exists in Internet Explorer. The flaw is triggered when Htmlmm.ocx is instantiated as an ActiveX control within Internet Explorer. With a specially crafted web page, an attacker can cause arbitrary code execution resulting in a loss of integrity.\n## Solution Description\nCurrently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.\n## Short Description\nA remote memory corruption flaw exists in Internet Explorer. The flaw is triggered when Htmlmm.ocx is instantiated as an ActiveX control within Internet Explorer. With a specially crafted web page, an attacker can cause arbitrary code execution resulting in a loss of integrity.\n## References:\nVendor URL: http://www.microsoft.com\n[Vendor Specific Advisory URL](http://www.microsoft.com/technet/security/Bulletin/MS07-016.mspx)\nSecurity Tracker: 1017643\n[Secunia Advisory ID:24156](https://secuniaresearch.flexerasoftware.com/advisories/24156/)\n[Related OSVDB ID: 31891](https://vulners.com/osvdb/OSVDB:31891)\n[Related OSVDB ID: 31892](https://vulners.com/osvdb/OSVDB:31892)\n[Related OSVDB ID: 31893](https://vulners.com/osvdb/OSVDB:31893)\n[Related OSVDB ID: 31895](https://vulners.com/osvdb/OSVDB:31895)\nMicrosoft Security Bulletin: MS07-016\nMicrosoft Knowledge Base Article: 928090\nISS X-Force ID: 32427\nFrSIRT Advisory: ADV-2007-0584\n[CVE-2007-0219](https://vulners.com/cve/CVE-2007-0219)\nCERT VU: 771788\nBugtraq ID: 22504\n", "modified": "2007-02-13T15:03:56", "published": "2007-02-13T15:03:56", "href": "https://vulners.com/osvdb/OSVDB:31894", "id": "OSVDB:31894", "title": "Microsoft IE Htmlmm.ocx COM Object Instantiation Memory Corruption", "type": "osvdb", "cvss": {"score": 10.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}], "cert": [{"lastseen": "2019-05-01T19:51:28", "bulletinFamily": "info", "description": "### Overview \n\nA vulnerability in the way Microsoft Internet Explorer instantiates COM objects may lead to execution of arbitrary code.\n\n### Description \n\nComponent Object Model, or [COM](<http://www.microsoft.com/com/default.mspx>) objects, are used to enable interprocess communication and dynamic object creation within Microsoft Windows. Microsoft Internet Explorer contains a vulnerability that could be exploited when it attempts to load specially crafted web sites that instantiate specific COM objects contained in `Msb1fren.dll`, `Htmlmm.ocx`, or `Blnmgrps.dll`. According to Microsoft Security Bulletin [MS07-016](<http://www.microsoft.com/technet/security/bulletin/ms07-016.mspx>)\n\n_When Internet Explorer tries to instantiate certain COM objects as ActiveX controls, the COM objects may corrupt the system state in such a way that an attacker could execute arbitrary code._ \n \nNote that this vulnerability does not affect Windows Internet Explorer 7 in Windows Vista. \n \n--- \n \n### Impact \n\nA remote, unauthenticated attacker may be able to execute arbitrary code or cause a denial-of-service condition. \n \n--- \n \n### Solution \n\n**Update** \nMicrosoft has released an update to address this issue. See Microsoft Security Bulletin [MS07-016](<http://www.microsoft.com/technet/security/bulletin/ms07-016.mspx>) for more details. \n \n--- \n \n**Disable ActiveX**\n\n \nDisabling ActiveX controls in the Internet Zone (or any zone used by an attacker) appears to prevent exploitation of this vulnerability. Instructions for disabling ActiveX in the Internet Zone can be found in the document [Securing Your Web Browser](<http://www.us-cert.gov/reading_room/securing_browser/#Internet_Explorer>) and the [Malicious Web Scripts FAQ](<http://www.cert.org/tech_tips/malicious_code_FAQ.html#ie56>). \n \nNote that disabling ActiveX controls in the Internet Zone will reduce the functionality of some web sites. \n \n--- \n \n### Vendor Information\n\n771788\n\nFilter by status: All Affected Not Affected Unknown\n\nFilter by content: __ Vendor has issued information\n\n__ Sort by: Status Alphabetical\n\nExpand all\n\n__ Affected __ Unknown __ Unaffected \n\n**Javascript is disabled. Click here to view vendors.**\n\n### __ Microsoft Corporation\n\nUpdated: February 14, 2007 \n\n### Status\n\n__ Vulnerable\n\n### Vendor Statement\n\nNo statement is currently available from the vendor regarding this vulnerability.\n\n### Vendor Information\n\nThe vendor has not provided us with any further information regarding this vulnerability.\n\n### Addendum\n\nRefer to Microsoft Security Bulletin [MS07-016](<http://www.microsoft.com/technet/security/bulletin/ms07-016.mspx>).\n\nIf you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:cert@cert.org?Subject=VU%23771788 Feedback>).\n\n \n\n\n### CVSS Metrics \n\nGroup | Score | Vector \n---|---|--- \nBase | N/A | N/A \nTemporal | N/A | N/A \nEnvironmental | | N/A \n \n \n\n\n### References \n\n * <http://www.microsoft.com/technet/security/bulletin/ms07-016.mspx>\n * <http://secunia.com/advisories/24156/>\n * <http://securitytracker.com/alerts/2007/Feb/1017643.html>\n * <http://www.securityfocus.com/bid/22504>\n\n### Acknowledgements\n\nThis vulnerability was reported in Microsoft Security Bulletin MS07-016 . Microsoft credits H D Moore of BreakingPoint Systems for reporting this issue. \n\nThis document was written by Chris Taschner. \n\n### Other Information\n\n**CVE IDs:** | [CVE-2007-0219](<http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2007-0219>) \n---|--- \n**Severity Metric:****** | 25.65 \n**Date Public:** | 2007-02-13 \n**Date First Published:** | 2007-02-14 \n**Date Last Updated: ** | 2007-03-13 19:23 UTC \n**Document Revision: ** | 18 \n", "modified": "2007-03-13T19:23:00", "published": "2007-02-14T00:00:00", "id": "VU:771788", "href": "https://www.kb.cert.org/vuls/id/771788", "type": "cert", "title": "Microsoft Internet Explorer vulnerable to remote code execution", "cvss": {"score": 10.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}], "openvas": [{"lastseen": "2017-07-02T21:09:48", "bulletinFamily": "scanner", "description": "Microsoft Internet Explorer is affected by multiple critical vulnerabilities.\n These vulnerabilities could allow remote code execution each via a different\n attack vector.", "modified": "2017-03-21T00:00:00", "published": "2010-07-08T00:00:00", "href": "http://plugins.openvas.org/nasl.php?oid=102054", "id": "OPENVAS:102054", "title": "Cumulative Security Update for Internet Explorer (928090)", "type": "openvas", "sourceData": "###################################################################\n# OpenVAS Vulnerability Test\n#\n# Cumulative Security Update for Internet Explorer (928090)\n#\n# LSS-NVT-2010-043\n#\n# Developed by LSS Security Team <http://security.lss.hr>\n#\n# Copyright (C) 2010 LSS <http://www.lss.hr>\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. 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{"lastseen": "2018-08-31T11:10:21", "bulletinFamily": "software", "description": "Microsoft Security Bulletin MS07-016\r\nCumulative Security Update for Internet Explorer &#40;928090&#41;\r\nPublished: February 13, 2007\r\n\r\nVersion: 1.0\r\nSummary\r\n\r\nWho Should Read this Document: Customers who use Microsoft Windows\r\n\r\nImpact of Vulnerability: Remote Code Execution\r\n\r\nMaximum Severity Rating: Critical\r\n\r\nRecommendation: Customers should apply the update immediately\r\n\r\nSecurity Update Replacement: This bulletin replaces several prior security updates. See the frequently asked questions &#40;FAQ&#41; section of this bulletin for the complete list.\r\n\r\nCaveats: Microsoft Knowledge Base Article 928090 documents the currently known issues that customers may experience when they install this security update. The article also documents recommended solutions for these issues. For more information, see Microsoft Knowledge Base Article 928090.\r\n\r\nTested Software and Security Update Download Locations:\r\n\r\nAffected Software:\r\n\u2022\t\r\n\r\nMicrosoft Windows 2000 Service Pack 4\r\n\u2022\t\r\n\r\nMicrosoft Windows XP Service Pack 2\r\n\u2022\t\r\n\r\nMicrosoft Windows XP Professional x64 Edition\r\n\u2022\t\r\n\r\nMicrosoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1\r\n\u2022\t\r\n\r\nMicrosoft Windows Server 2003 for Itanium-based Systems and Microsoft Windows Server 2003 with SP1 for Itanium-based Systems\r\n\u2022\t\r\n\r\nMicrosoft Windows Server 2003 x64 Edition\r\n\r\nNon-Affected Software:\r\n\u2022\t\r\n\r\nWindows Vista\r\n\r\nTested Microsoft Windows Components:\r\n\r\nAffected Components:\r\n\u2022\t\r\n\r\nMicrosoft Internet Explorer 5.01 Service Pack 4 on Windows 2000 Service Pack 4 \u2014 Download the update\r\n\u2022\t\r\n\r\nMicrosoft Internet Explorer 6 Service Pack 1 when installed on Windows 2000 Service Pack 4 \u2014 Download the update\r\n\u2022\t\r\n\r\nMicrosoft Internet Explorer 6 for Windows XP Service Pack 2 \u2014 Download the update\r\n\u2022\t\r\n\r\nMicrosoft Internet Explorer 6 for Windows XP Professional x64 Edition \u2014 Download the update\r\n\u2022\t\r\n\r\nMicrosoft Internet Explorer 6 for Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1 \u2014 Download the update\r\n\u2022\t\r\n\r\nMicrosoft Internet Explorer 6 for Windows Server 2003 for Itanium-based Systems and Windows Server 2003 with SP1 for Itanium-based Systems \u2014 Download the update\r\n\u2022\t\r\n\r\nMicrosoft Internet Explorer 6 for Windows Server 2003 x64 Edition \u2014 Download the update\r\n\u2022\t\r\n\r\nWindows Internet Explorer 7 for Windows XP Service Pack 2 \u2014 Download the update\r\n\u2022\t\r\n\r\nWindows Internet Explorer 7 for Windows XP Professional x64 Edition \u2014 Download the update\r\n\u2022\t\r\n\r\nWindows Internet Explorer 7 for Windows Server 2003 Service Pack 1 \u2014 Download the update\r\n\u2022\t\r\n\r\nWindows Internet Explorer 7 for Windows Server 2003 with SP1 for Itanium-based Systems \u2014 Download the update\r\n\u2022\t\r\n\r\nWindows Internet Explorer 7 for Windows Server 2003 x64 Edition \u2014 Download the update\r\n\r\nNon-Affected Components:\r\n\u2022\t\r\n\r\nWindows Internet Explorer 7 in Windows Vista\r\n\r\nThe software in this list has been tested to determine whether the versions are affected. Other versions either no longer include security update support or may not be affected. To determine the support life cycle for your product and version, visit the Microsoft Support Lifecycle Web site.\r\n\r\nNote The security updates for Microsoft Windows Server 2003, Windows Server 2003 Service Pack 1, and Windows Server 2003 x64 Edition also apply to Windows Server 2003 R2.\r\nTop of sectionTop of section\r\nGeneral Information\r\n\t\r\nExecutive Summary\r\n\r\nExecutive Summary:\r\n\r\nThis update resolves two newly discovered, publicly and privately reported vulnerabilities. Each vulnerability is documented in its own subsection in the \u201cVulnerability Details\u201d section of this bulletin.\r\n\r\nIf a user is logged on with administrative user rights, an attacker who successfully exploited the most severe of these vulnerabilities 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. 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\nWe recommend that customers apply the update immediately.\r\n\r\nSeverity Ratings and Vulnerability Identifiers:\r\nVulnerability Identifiers\tImpact of Vulnerability\tInternet Explorer 5.01 Service Pack 4 on Windows 2000 Service Pack 4\tInternet Explorer 6 Service Pack 1 when installed on Windows 2000 Service Pack 4\tInternet Explorer 6 for Windows XP Service Pack 2\tInternet Explorer 6 for Windows Server 2003 and Windows Server 2003 Service Pack 1\tWindows Internet Explorer 7 for Windows XP Service Pack 2\tWindows Internet Explorer 7 for Windows Server 2003 Service Pack 1\r\n\r\nCOM Object Instantiation Memory Corruption Vulnerability - CVE-2006-4697\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nModerate\r\n\t\r\n\r\nImportant\r\n\t\r\n\r\nLow\r\n\r\nCOM Object Instantiation Memory Corruption Vulnerability - CVE-2007-0219\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nModerate\r\n\t\r\n\r\nImportant\r\n\t\r\n\r\nLow\r\n\r\nFTP Server Response Parsing Memory Corruption Vulnerability - CVE-2007-0217\r\n\t\r\n\r\nRemote Code Execution\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nNone\r\n\t\r\n\r\nNone\r\n\r\nAggregate Severity of All Vulnerabilities\r\n\t\r\n\r\n \r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nCritical\r\n\t\r\n\r\nImportant\r\n\t\r\n\r\nLow\r\n\r\nThis assessment is based on the types of systems that are affected by the vulnerability, their typical deployment patterns, and the effect that exploiting the vulnerability would have on them.\r\n\r\nNote The security updates for Windows Server 2003, Windows Server 2003 Service Pack 1, and Windows Server 2003 x64 Edition also apply to Windows Server 2003 R2.\r\n\r\nNote The severity ratings for non-x86 operating system versions map to the x86 operating systems versions as follows:\r\n\u2022\t\r\n\r\nThe Internet Explorer 6 for Windows XP Professional x64 Edition severity rating is the same as the Internet Explorer 6 for Windows XP Service Pack 2 severity rating.\r\n\u2022\t\r\n\r\nThe Internet Explorer 6 for Windows Server 2003 for Itanium-based Systems and Windows Server 2003 with SP1 for Itanium-based Systems, and Windows Server 2003 x64 Edition severity rating is the same as the Internet Explorer 6 for Windows Server 2003 severity rating.\r\n\u2022\t\r\n\r\nThe Windows Internet Explorer 7 for Windows XP Professional x64 Edition severity rating is the same as the Internet Explorer 7 for Windows XP Service Pack 2 severity rating.\r\n\u2022\t\r\n\r\nThe Windows Internet Explorer 7 for Windows Server 2003 with Service Pack 1 for Itanium-based Systems and Windows Server 2003 x64 Edition severity rating is the same as the Windows Internet Explorer 7 for Windows Server 2003 Service Pack 1 severity rating.\r\nTop of sectionTop of section\r\n\t\r\nFrequently Asked Questions &#40;FAQ&#41; Related to This Security Update\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 can install only this update.\r\n\r\nWhat updates does this release replace? \r\nThis security update replaces a prior security update. The security bulletin ID and affected operating systems are listed in the following table.\r\nBulletin ID\tInternet Explorer 5.01 Service Pack 4 on Windows 2000 Service Pack 4\tInternet Explorer 6 Service Pack 1 when installed on Windows 2000 Service Pack 4\tInternet Explorer 6 for Windows XP Service Pack 2\tInternet Explorer 6 for Windows Server 2003 and Windows Server 2003 Service Pack 1\tWindows Internet Explorer 7 for Windows XP Service Pack 2\tWindows Internet Explorer 7 for Windows Server 2003 Service Pack 1\r\n\r\nMS06-072\r\n\t\r\n\r\nReplaced\r\n\t\r\n\r\nReplaced\r\n\t\r\n\r\nReplaced\r\n\t\r\n\r\nReplaced\r\n\t\r\n\r\nNot applicable\r\n\t\r\n\r\nNot applicable\r\n\r\nWhat are the known issues that customers may experience when they install this security update? \r\nMicrosoft Knowledge Base Article 928090 documents the currently known issues that customers may experience when they install this security update. The article also documents recommended solutions for these issues. For more information, see Microsoft Knowledge Base Article 928090.\r\n\r\nDoes this update contain any security-related changes to functionality? \r\nYes. Besides the changes that are listed in the \u201cVulnerability Details\u201d section of this bulletin, this update includes a defense-in-depth change to Internet Explorer. This defense-in-depth change helps mitigate the vulnerability addressed in Microsoft Security Bulletin MS06-045. The changes are also included in Windows Internet Explorer 7. Also included are security-related changes that were introduced in previous Internet Explorer bulletins.\r\n\r\nAdditionally, this update sets the kill bit for ActiveX controls previously addressed in Microsoft Security Bulletins:\r\n\u2022\t\r\n\r\nThe WMI Object Broker ActiveX control that is addressed in Microsoft Security Bulletin MS06-073: Vulnerability in Visual Studio 2005 Could Allow Remote Code Execution &#40;925674&#41;:\r\n\u2022\t\r\n\r\n7F5B7F63-F06F-4331-8A26-339E03C0AE3D\r\n\r\nDoes this update contain any changes to functionality? \r\nYes. Besides the changes that are listed in the &quot;Vulnerability Details&quot; section of this bulletin, this update includes the following changes in security functionality:\r\n\r\nThis security update includes changes to the Windows Internet Explorer 7 Phishing Filter. These changes where first introduced in the update discussed in Microsoft Knowledge Base Article 928089: \u201cThe computer may respond very slowly as the Phishing Filter evaluates Web page contents in Internet Explorer 7\u201d\r\n\r\nNote The update discussed in Microsoft Knowledge Base Article 928089 was made available to Windows Vista customers as a recommended update on Windows Update and Microsoft Update on January 30, 2007.\r\n\r\nExtended security update support for Microsoft Windows XP Home Edition Service Pack 1 or Service Pack 1a, Windows XP Media Center Edition 2002 Service Pack 1, Windows XP Media Center Edition 2004 Service Pack 1, Windows XP Professional Service Pack 1 or Service Pack 1a, and Windows XP Tablet PC Edition Service Pack 1 ended on October 10, 2006. I am still using one of these operating systems; what should I do? \r\nWindows XP &#40;all versions&#41; Service Pack 1 has reached the end of its support life cycle. It should be a priority for customers who have these operating system versions to migrate to supported versions to prevent potential exposure to vulnerabilities. For more information about the Windows Product Lifecycle, visit the following Microsoft Support Lifecycle Web site. For more information about the extended security update support period for these operating system versions, visit the Microsoft Product Support Services Web site.\r\n\r\nExtended security update support for Microsoft Windows 98, Windows 98 Second Edition, or Windows Millennium Edition ended on July 11, 2006. I am still using one of these operating systems; what should I do? \r\nWindows 98, Windows 98 Second Edition, and Windows Millennium Edition have reached the end of their support life cycles. It should be a priority for customers who have these operating system versions to migrate to supported versions to prevent potential exposure to vulnerabilities. For more information about the Windows Product Lifecycle, visit the following Microsoft Support Lifecycle Web site. For more information about the extended security update support period for these operating system versions, visit the Microsoft Product Support Services Web site.\r\n\r\nExtended security update support for Microsoft Windows NT Workstation 4.0 Service Pack 6a and Windows 2000 Service Pack 2 ended on June 30, 2004. Extended security update support for Microsoft Windows NT Server 4.0 Service Pack 6a ended on December 31, 2004. Extended security update support for Microsoft Windows 2000 Service Pack 3 ended on June 30, 2005. I am still using one of these operating systems; what should I do? \r\nWindows NT Workstation 4.0 Service Pack 6a, Windows NT Server 4.0 Service Pack 6a, Windows 2000 Service Pack 2, and Windows 2000 Service Pack 3 have reached the end of their support life cycles. It should be a priority for customers who have these operating system versions to migrate to supported versions to prevent potential exposure to vulnerabilities. For more information about the Windows Product Lifecycle, visit the following Microsoft Support Lifecycle Web site. For more information about the extended security update support period for these operating system versions, visit the Microsoft Product Support Services Web site.\r\n\r\nCustomers who require custom support for these products 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, 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 Windows Operating System Product Support Lifecycle FAQ.\r\n\r\nCan I use the Microsoft Baseline Security Analyzer &#40;MBSA&#41; to determine whether this update is required? \r\nThe following table provides the MBSA detection summary for this security update.\r\nProduct\tMBSA 1.2.1\tMBSA 2.0\r\n\r\nMicrosoft Windows 2000 Service Pack 4\r\n\t\r\n\r\nYes\r\n\t\r\n\r\nYes\r\n\r\nMicrosoft Windows XP Service Pack 2\r\n\t\r\n\r\nYes\r\n\t\r\n\r\nYes\r\n\r\nMicrosoft Windows XP Professional x64 Edition\r\n\t\r\n\r\nNo\r\n\t\r\n\r\nYes\r\n\r\nMicrosoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1\r\n\t\r\n\r\nYes\r\n\t\r\n\r\nYes\r\n\r\nMicrosoft Windows Server 2003 for Itanium-based Systems and Microsoft Windows Server 2003 with Service Pack 1 for Itanium-based Systems\r\n\t\r\n\r\nNo\r\n\t\r\n\r\nYes\r\n\r\nMicrosoft Windows Server 2003 x64 Edition family\r\n\t\r\n\r\nNo\r\n\t\r\n\r\nYes\r\n\r\nNote MBSA 1.2.1 does not support systems with Windows Internet Explorer 7 installed. MBSA 2.0 does support systems with Windows Internet Explorer 7 installed.\r\n\r\nFor more information about MBSA, visit the MBSA Web site. For more information about the programs that Microsoft Update and MBSA 2.0 currently do not detect, see Microsoft Knowledge Base Article 895660.\r\n\r\nFor more detailed information, see Microsoft Knowledge Base Article 910723.\r\n\r\nCan I use Systems Management Server &#40;SMS&#41; to determine whether this update is required? \r\nThe following table provides the SMS detection summary for this security update.\r\nProduct\tSMS 2.0\tSMS 2003\r\n\r\nMicrosoft Windows 2000 Service Pack 4\r\n\t\r\n\r\nYes\r\n\t\r\n\r\nYes\r\n\r\nMicrosoft Windows XP Service Pack 2\r\n\t\r\n\r\nYes\r\n\t\r\n\r\nYes\r\n\r\nMicrosoft Windows XP Professional x64 Edition\r\n\t\r\n\r\nNo\r\n\t\r\n\r\nYes\r\n\r\nMicrosoft Windows Server 2003 and Microsoft Windows Server 2003 Service Pack 1\r\n\t\r\n\r\nYes\r\n\t\r\n\r\nYes\r\n\r\nMicrosoft Windows Server 2003 for Itanium-based Systems and Microsoft Windows Server 2003 with Service Pack 1 for Itanium-based Systems\r\n\t\r\n\r\nNo\r\n\t\r\n\r\nYes\r\n\r\nMicrosoft Windows Server 2003 x64 Edition family\r\n\t\r\n\r\nNo\r\n\t\r\n\r\nYes\r\n\r\nSMS 2.0 and SMS 2003 Software Update Services &#40;SUS&#41; Feature Pack can use MBSA 1.2.1 for detection and therefore have the same limitation that is listed earlier in this bulletin related to programs that MBSA 1.2.1 does not detect.\r\n\r\nFor SMS 2.0, the SMS SUS Feature Pack, which includes the Security Update Inventory Tool &#40;SUIT&#41;, can be used by SMS to detect security updates. SMS SUIT uses the MBSA 1.2.1 engine for detection. For more information about SUIT, visit the following Microsoft Web site. For more information about the limitations of SUIT, see Microsoft Knowledge Base Article 306460. The SMS SUS Feature Pack also includes the Microsoft Office Inventory Tool to detect required updates for Microsoft Office applications.\r\n\r\nFor SMS 2003, the SMS 2003 Inventory Tool for Microsoft Updates &#40;ITMU&#41; can be used by SMS to detect security updates that are offered by Microsoft Update and that are supported by Windows Server Update Services. For more information about the SMS 2003 ITMU, visit the following Microsoft Web site. SMS 2003 can also use the Microsoft Office Inventory Tool to detect required updates for Microsoft Office applications.\r\n\r\nFor more information about SMS, visit the SMS Web site.\r\n\r\nFor more detailed information, see Microsoft Knowledge Base Article 910723.\r\nTop of sectionTop of section\r\n\t\r\nVulnerability Details\r\n\t\r\nCOM Object Instantiation Memory Corruption Vulnerability - CVE-2006-4697:\r\n\r\nA remote code execution vulnerability exists in the way Internet Explorer instantiates COM objects that are not intended to be instantiated in Internet Explorer. An attacker could exploit the vulnerability by constructing a specially crafted Web page that could potentially allow remote code execution if a user viewed the Web page. An attacker who successfully exploited this vulnerability could take complete control of an affected system.\r\n\t\r\nMitigating Factors for COM Object Instantiation Memory Corruption Vulnerability - CVE-2006-4697:\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, Web sites that accept or host user-provided content, or compromised Web sites and advertisement servers could contain specially crafted content that could exploit this vulnerability. Instead, an attacker would have to persuade 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&#39;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 and Microsoft Outlook Express open HTML e-mail messages in the Restricted sites zone. The Restricted sites zone helps reduce the number of successful attacks that exploit this vulnerability by preventing Active Scripting and ActiveX controls from being used when reading HTML e-mail. However, if a user clicks on a link within an e-mail, they could still be vulnerable to this issue through the Web-based attack scenario.\r\n\u2022\t\r\n\r\nBy default, Internet Explorer on Windows Server 2003 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 have not been added to 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\nCOM Objects not intended to be instantiated in Internet Explorer are not included in the default allow-list for ActiveX controls in Windows Internet Explorer 7. Customers who are running Windows Internet Explorer 7 with default settings are therefore not at risk unless these COM Objects have been activated through the ActiveX opt-in feature in the Internet Zone. Customers who are upgrading to Windows Internet Explorer 7 and have enabled these COM objects in previous versions of Internet Explorer will have them enabled in Windows Internet Explorer 7. For more information on the ActiveX Opt-in feature and how to add ActiveX controls to the pre-approved list, see the product documentation.\r\n\u2022\t\r\n\r\nWindows Internet Explorer 7 in Windows Vista is not affected by this vulnerability.\r\nTop of sectionTop of section\r\n\t\r\nWorkarounds for COM Object Instantiation Memory Corruption Vulnerability - CVE-2006-4697:\r\n\r\nMicrosoft has tested the following workarounds. While these workarounds will not correct the underlying vulnerability, they help block known attack vectors. When a workaround reduces functionality, it is identified in the following section.\r\n\u2022\t\r\n\r\nConfigure Internet Explorer to prompt before running ActiveX Controls or disable ActiveX Controls in the Internet and Local intranet security zone\r\n\r\nYou can help protect against this vulnerability by changing your Internet Explorer settings to prompt before running ActiveX controls. 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 ActiveX controls and plug-ins section, under Run ActiveX controls and plug-ins, 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 ActiveX controls and plug-ins section, under Run ActiveX controls and plug-ins, 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\nImpact of Workaround: There are side effects to prompting before running ActiveX controls. Many Web sites that are on the Internet or on an intranet use ActiveX 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. Prompting before running ActiveX controls 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 ActiveX controls. If you do not want to be prompted for all these sites, use the steps outlined in &quot;Add sites that you trust to the Internet Explorer Trusted sites zone\u201d.\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 &#40;https:&#41; 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 computer. Two in particular that you may want to add are &quot;*.windowsupdate.microsoft.com&quot; and \u201c*.update.microsoft.com\u201d &#40;without the quotation marks&#41;. 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\nSet Internet and Local intranet security zone settings to \u201cHigh\u201d to prompt before running ActiveX Controls and Active Scripting in these zones\r\n\r\nYou can help protect against this vulnerability by changing your settings for the Internet security zone to prompt before running ActiveX controls. You can do this by setting your browser security to High.\r\n\r\nTo raise the browsing security level in Microsoft 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 prompting before running ActiveX controls. Many Web sites that are on the Internet or on an intranet use ActiveX 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. Prompting before running ActiveX controls 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 ActiveX controls. If you do not want to be prompted for all these sites, use the steps outlined in &quot;Add sites that you trust to the Internet Explorer Trusted sites zone\u201d.\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 &#40;https:&#41; 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 computer. Two in particular that you may want to add are &quot;*.windowsupdate.microsoft.com&quot; and \u201c*.update.microsoft.com\u201d &#40;without the quotation marks&#41;. 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\nPrevent COM objects from running in Internet Explorer\r\n\r\nYou can disable attempts to instantiate a COM object in Internet Explorer by setting the kill bit for the control in 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\nFor detailed steps that you can use to prevent a control from running in Internet Explorer, see Microsoft Knowledge Base Article 240797. Follow these steps in this article to create a Compatibility Flags value in the registry to prevent a COM object from being instantiated in Internet Explorer.\r\n\r\nTo set the kill bit for a CLSID with a value of {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}, paste the following text in a text editor such as Notepad. Then, save the file by using the .reg file name extension.\r\n\r\nWindows Registry Editor Version 5.00\r\n\r\n[HKEY_LOCAL_MACHINE&#92;SOFTWARE&#92;Microsoft&#92;Internet Explorer&#92;ActiveX Compatibility&#92;{ XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX }]\r\n&quot;Compatibility Flags&quot;=dword:00000400\r\n\r\nYou can apply this .reg file to individual systems by double-clicking it. You can also apply it across domains by using Group Policy. For more information about Group Policy, visit the following Microsoft Web sites:\r\n\r\nGroup Policy collection\r\n\r\nWhat is Group Policy Object Editor?\r\n\r\nCore Group Policy tools and settings\r\n\r\nNote You must restart Internet Explorer for your changes to take effect.\r\n\r\nThe Class Identifiers and corresponding files where the COM objects are contained are documented under \u201cWhat does the update do?\u201d in the \u201cFAQ for COM Object Instantiation Memory Corruption Vulnerability - CVE-2006-4697\u201d section.\r\n\r\nImpact of Workaround: There is no impact as long as the COM object is not intended to be used in Internet Explorer.\r\nTop of sectionTop of section\r\n\t\r\nFAQ for COM Object Instantiation Memory Corruption Vulnerability - CVE-2006-4697:\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 remotely 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\nWhat causes the vulnerability? \r\nWhen Internet Explorer tries to instantiate certain COM objects as ActiveX controls, the COM objects may corrupt the system state 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 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\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 persuade a user to view the Web site. This can also include Web sites that accept user-provided content or advertisements, Web sites that host user-provided content or advertisements, and compromised Web sites. 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 persuade users to visit the Web site, typically by getting them to click a link in an e-mail message or in an Instant Messenger request that takes users to the attacker&#39;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 is logged on and visits 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 Windows Internet Explorer 7. Does this mitigate this vulnerability? \r\nYes. Customers who are running Windows Internet Explorer 7 with default settings, are not at risk unless these COM Objects have been activated through the ActiveX opt-in feature in the Internet Zone. Customers who are upgrading to Windows Internet Explorer 7 and have enabled these COM objects in previous versions of Internet Explorer will have them enabled in Windows Internet Explorer 7. For more information on the ActiveX Opt-in feature and how to add ActiveX controls to the pre-approved list, see the product documentation.\r\n\r\nWindows Internet Explorer 7 in Windows Vista is not affected by this vulnerability.\r\n\r\nWhat is the ActiveX opt-in feature in Windows Internet Explorer 7? \r\nWindows Internet Explorer 7 includes an ActiveX opt-in feature, which means that nearly all pre-installed ActiveX controls are off by default. Users are prompted by the Information Bar before they can instantiate a previously installed ActiveX control that has not yet been used on the Internet. This enables a user to permit or deny access on a control-by-control basis. For more information about this and other new features, see the Windows Internet Explorer 7 features page.\r\n\r\nI am running Internet Explorer on Windows Server 2003. Does this mitigate this vulnerability? \r\nYes. By default, Internet Explorer on Windows Server 2003 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 have not been added to Internet Explorer Trusted sites zone. See the next FAQ in this section for more information about Internet Explorer Enhanced Security Configuration.\r\n\r\nWhat is Internet Explorer Enhanced Security Configuration? \r\nInternet Explorer Enhanced Security Configuration is a group of preconfigured Internet Explorer settings that reduce the likelihood of a user or administrator downloading and running malicious Web content on a server. Internet Explorer Enhanced Security Configuration reduces this threat by modifying numerous security-related settings, including Security and Advanced tab settings in Internet Options. Some of the key modifications include:\r\n\u2022\t\r\n\r\nSecurity level for the Internet zone is set to High. This setting disables scripts, ActiveX components, Microsoft virtual machine &#40;Microsoft VM&#41; HTML content, and file downloads.\r\n\u2022\t\r\n\r\nAutomatic detection of intranet sites is disabled. This setting assigns all intranet Web sites and all Universal Naming Convention &#40;UNC&#41; paths that are not explicitly listed in the Local intranet zone to the Internet zone.\r\n\u2022\t\r\n\r\nInstall on Demand and non-Microsoft browser extensions are disabled. This setting prevents Web pages from automatically installing components and prevents non-Microsoft extensions from running.\r\n\u2022\t\r\n\r\nMultimedia content is disabled. This setting prevents music, animations, and video clips from running.\r\n\r\nFor more information regarding Internet Explorer Enhanced Security Configuration, please consult the Managing Internet Explorer Enhanced Security Configuration guide, which can be found at the following Web site.\r\n\r\nWhat does the update do? \r\nBecause not all COM objects are designed to be accessed through Internet Explorer, this update sets the kill bit for a list of Class Identifiers &#40;CLSIDs&#41; for COM objects that have been found to exhibit similar behavior to the COM Object Instantiation Memory Corruption Vulnerability that is addressed in Microsoft Security Bulletin MS05-054. To help protect customers, this update prevents these CLSIDs from being instantiated in Internet Explorer. For more information about kill bits, see Microsoft Knowledge Base Article 240797.\r\n\r\nThe Class Identifiers and corresponding files where the COM objects are contained are as follows:\r\nClass Identifier\tFile\r\n\r\nDA56F851-D3C5-11D3-844C-00C04F7A06E5\r\n\t\r\n\r\nImjpcksid.dll\r\n\r\n6E3197A3-BBC3-11D4-84C0-00C04F7A06E5\r\n\t\r\n\r\nImjpskdic.dll\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-2006-4697.\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\nCOM Object Instantiation Memory Corruption Vulnerability - CVE-2007-0219:\r\n\r\nA remote code execution vulnerability exists in the way Internet Explorer instantiates COM objects that are not intended to be instantiated in Internet Explorer. An attacker could exploit the vulnerability by constructing a specially crafted Web page that could potentially allow remote code execution if a user viewed the Web page. An attacker who successfully exploited this vulnerability could take complete control of an affected system.\r\n\t\r\nMitigating Factors for COM Object Instantiation Memory Corruption Vulnerability - CVE-2007-0219:\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, Web sites that accept or host user-provided content or compromised Web sites and advertisement servers could contain specially crafted content that could exploit this vulnerability. Instead, an attacker would have to persuade 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&#39;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 and Microsoft Outlook Express open HTML e-mail messages in the Restricted sites zone. The Restricted sites zone helps reduce the number of successful attacks that exploit this vulnerability by preventing Active Scripting and ActiveX controls from being used when reading HTML e-mail. However, if a user clicks on a link within an e-mail they could still be vulnerable to this issue through the Web-based attack scenario.\r\n\u2022\t\r\n\r\nBy default, Internet Explorer on Windows Server 2003 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 have not been added to 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\nCOM Objects not intended to be instantiated in Internet Explorer are not included in the default allow-list for ActiveX controls in Windows Internet Explorer 7. Customers who are running Windows Internet Explorer 7 with default settings, are therefore not at risk unless these COM Objects have been activated through the ActiveX opt-in feature in the Internet Zone. Customers who are upgrading to Windows Internet Explorer 7 and have enabled these COM objects in previous versions of Internet Explorer will have them enabled in Windows Internet Explorer 7. For more information on the ActiveX Opt-in feature and how to add ActiveX controls to the pre-approved list, see the product documentation.\r\n\u2022\t\r\n\r\nWindows Internet Explorer 7 in Windows Vista is not affected by this vulnerability.\r\nTop of sectionTop of section\r\n\t\r\nWorkarounds for COM Object Instantiation Memory Corruption Vulnerability - CVE-2007-0219:\r\n\r\nMicrosoft has tested the following workarounds. While these workarounds will not correct the underlying vulnerability, they help block known attack vectors. When a workaround reduces functionality, it is identified in the following section.\r\n\u2022\t\r\n\r\nConfigure Internet Explorer to prompt before running ActiveX Controls or disable ActiveX Controls in the Internet and Local intranet security zone\r\n\r\nYou can help protect against this vulnerability by changing your Internet Explorer settings to prompt before running ActiveX controls. 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 ActiveX controls and plug-ins section, under Run ActiveX controls and plug-ins, 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 ActiveX controls and plug-ins section, under Run ActiveX controls and plug-ins, 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\nImpact of Workaround: There are side effects to prompting before running ActiveX controls. Many Web sites that are on the Internet or on an intranet use ActiveX 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. Prompting before running ActiveX controls 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 ActiveX controls. If you do not want to be prompted for all these sites, use the steps outlined in &quot;Add sites that you trust to the Internet Explorer Trusted sites zone\u201d.\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 &#40;https:&#41; 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 computer. Two in particular that you may want to add are &quot;*.windowsupdate.microsoft.com&quot; and \u201c*.update.microsoft.com\u201d &#40;without the quotation marks&#41;. 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\nSet Internet and Local intranet security zone settings to \u201cHigh\u201d to prompt before running ActiveX Controls and Active Scripting in these zones\r\n\r\nYou can help protect against this vulnerability by changing your settings for the Internet security zone to prompt before running ActiveX controls. You can do this by setting your browser security to High.\r\n\r\nTo raise the browsing security level in Microsoft 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 prompting before running ActiveX controls. Many Web sites that are on the Internet or on an intranet use ActiveX 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. Prompting before running ActiveX controls 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 ActiveX controls. If you do not want to be prompted for all these sites, use the steps outlined in &quot;Add sites that you trust to the Internet Explorer Trusted sites zone\u201d.\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 &#40;https:&#41; 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 computer. Two in particular that you may want to add are &quot;*.windowsupdate.microsoft.com&quot; and \u201c*.update.microsoft.com\u201d &#40;without the quotation marks&#41;. 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\nPrevent COM objects from running in Internet Explorer\r\n\r\nYou can disable attempts to instantiate a COM object in Internet Explorer by setting the kill bit for the control in 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\nFor detailed steps that you can use to prevent a control from running in Internet Explorer, see Microsoft Knowledge Base Article 240797. Follow these steps in this article to create a Compatibility Flags value in the registry to prevent a COM object from being instantiated in Internet Explorer.\r\n\r\nTo set the kill bit for a CLSID with a value of {XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}, paste the following text in a text editor such as Notepad. Then, save the file by using the .reg file name extension.\r\n\r\nWindows Registry Editor Version 5.00\r\n\r\n[HKEY_LOCAL_MACHINE&#92;SOFTWARE&#92;Microsoft&#92;Internet Explorer&#92;ActiveX Compatibility&#92;{ XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX }]\r\n&quot;Compatibility Flags&quot;=dword:00000400\r\n\r\nYou can apply this .reg file to individual systems by double-clicking it. You can also apply it across domains by using Group Policy. For more information about Group Policy, visit the following Microsoft Web sites:\r\n\r\nGroup Policy collection\r\n\r\nWhat is Group Policy Object Editor?\r\n\r\nCore Group Policy tools and settings\r\n\r\nNote You must restart Internet Explorer for your changes to take effect.\r\n\r\nThe Class Identifiers and corresponding files where the COM objects are contained are documented under \u201cWhat does the update do?\u201d in the \u201cFAQ for COM Object Instantiation Memory Corruption Vulnerability - CVE-2006-4697\u201d section.\r\n\r\nImpact of Workaround: There is no impact as long as the COM object is not intended to be used in Internet Explorer.\r\nTop of sectionTop of section\r\n\t\r\nFAQ for COM Object Instantiation Memory Corruption Vulnerability - CVE-2007-0219:\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 remotely 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\nWhat causes the vulnerability? \r\nWhen Internet Explorer tries to instantiate certain COM objects as ActiveX controls, the COM objects may corrupt the system state 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 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\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 persuade a user to view the Web site. This can also include Web sites that accept user-provided content or advertisements, Web sites that host user-provided content or advertisements, and compromised Web sites. 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 persuade users to visit the Web site, typically by getting them to click a link in an e-mail message or in an Instant Messenger request that takes users to the attacker&#39;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 is logged on and visits 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 Windows Internet Explorer 7. Does this mitigate this vulnerability? \r\nYes. Customers who are running Windows Internet Explorer 7 with default settings, are not at risk unless these COM Objects have been activated through the ActiveX opt-in feature in the Internet Zone. Customers who are upgrading to Windows Internet Explorer 7 and have enabled these COM objects in previous versions of Internet Explorer will have them enabled in Windows Internet Explorer 7. For more information on the ActiveX Opt-in feature and how to add ActiveX controls to the pre-approved list, see the product documentation.\r\n\r\nWindows Internet Explorer 7 in Windows Vista is not affected by this vulnerability.\r\n\r\nWhat is the ActiveX opt-in feature in Windows Internet Explorer 7? \r\nWindows Internet Explorer 7 includes an ActiveX opt-in feature, which means that nearly all pre-installed ActiveX controls are off by default. Users are prompted by the Information Bar before they can instantiate a previously installed ActiveX control that has not yet been used on the Internet. This enables a user to permit or deny access on a control-by-control basis. For more information about this and other new features, see the Windows Internet Explorer 7 features page.\r\n\r\nI am running Internet Explorer on Windows Server 2003. Does this mitigate this vulnerability? \r\nYes. By default, Internet Explorer on Windows Server 2003 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 have not been added to Internet Explorer Trusted sites zone. See the next FAQ in this section for more information about Internet Explorer Enhanced Security Configuration.\r\n\r\nWhat is Internet Explorer Enhanced Security Configuration? \r\nInternet Explorer Enhanced Security Configuration is a group of preconfigured Internet Explorer settings that reduce the likelihood of a user or administrator downloading and running malicious Web content on a server. Internet Explorer Enhanced Security Configuration reduces this threat by modifying numerous security-related settings, including Security and Advanced tab settings in Internet Options. Some of the key modifications include:\r\n\u2022\t\r\n\r\nSecurity level for the Internet zone is set to High. This setting disables scripts, ActiveX components, Microsoft virtual machine &#40;Microsoft VM&#41; HTML content, and file downloads.\r\n\u2022\t\r\n\r\nAutomatic detection of intranet sites is disabled. This setting assigns all intranet Web sites and all Universal Naming Convention &#40;UNC&#41; paths that are not explicitly listed in the Local intranet zone to the Internet zone.\r\n\u2022\t\r\n\r\nInstall on Demand and non-Microsoft browser extensions are disabled. This setting prevents Web pages from automatically installing components and prevents non-Microsoft extensions from running.\r\n\u2022\t\r\n\r\nMultimedia content is disabled. This setting prevents music, animations, and video clips from running.\r\n\r\nFor more information regarding Internet Explorer Enhanced Security Configuration, please consult the Managing Internet Explorer Enhanced Security Configuration guide, which can be found at the following Web site.\r\n\r\nWhat does the update do? \r\nBecause not all COM objects are designed to be accessed through Internet Explorer, this update sets the kill bit for a list of Class Identifiers &#40;CLSIDs&#41; for COM objects that have been found to exhibit similar behavior to the COM Object Instantiation Memory Corruption Vulnerability that is addressed in Microsoft Security Bulletin MS05-054. To help protect customers, this update prevents these CLSIDs from being instantiated in Internet Explorer. For more information about kill bits, see Microsoft Knowledge Base Article 240797.\r\n\r\nThe Class Identifiers and corresponding files where the COM objects are contained are as follows:\r\nClass Identifier\tFile\r\n\r\n75C11604-5C51-48B2-B786-DF5E51D10EC9\r\n\t\r\n\r\nMsb1fren.dll\r\n\r\n8422DAE3-9929-11CF-B8D3-004033373DA8\r\n\t\r\n\r\nHtmlmm.ocx\r\n\r\n8422DAE7-9929-11CF-B8D3-004033373DA8\r\n\t\r\n\r\nHtmlmm.ocx\r\n\r\n261F6572-578B-40A7-B72E-61B7261D9F0C\r\n\t\r\n\r\nBlnmgrps.dll\r\n\r\nE56CCB42-598C-462D-9AD8-4FD5B4498C5D\r\n\t\r\n\r\nBlnmgrps.dll\r\n\r\nWhen this security bulletin was issued, had this vulnerability been publicly disclosed? \r\nNo. Microsoft received information about this vulnerability through responsible 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 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\nFTP Server Response Parsing Memory Corruption Vulnerability - CVE-2007-0217:\r\n\r\nA remote code execution vulnerability exists in the way Internet Explorer interprets certain responses from FTP servers. An attacker could exploit the vulnerability by sending specially crafted FTP responses in an FTP session to the FTP client included in Internet Explorer. An 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\t\r\nMitigating Factors for FTP Server Response Parsing Memory Corruption Vulnerability - CVE-2007-0217:\r\n\u2022\t\r\n\r\nIn a Web-based attack scenario, an attacker would have to host an FTP server that would return these specially crafted FTP server responses to exploit this vulnerability. An attacker would have no way to force users to visit the site with the FTP server. Instead, an attacker would have to persuade them to visit the site, typically by getting them to click a link in an e-mail message or Instant Messenger message that takes them to the attacker&#39;s 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 and Microsoft Outlook Express open HTML e-mail messages in the Restricted sites zone. The Restricted sites zone helps reduce attacks that could try to exploit this vulnerability by preventing Active Scripting and ActiveX controls from being used when reading HTML e-mail. However, if a user clicks on a link within an e-mail they could still be vulnerable to this issue through the Web-based attack scenario.\r\n\r\nNote It cannot be ruled out that this vulnerability could be used in an exploit without Active Scripting. However, using Active Scripting significantly increases the chances of a successful exploit. As a result, this vulnerability has been given a severity rating of Critical on Windows Server 2003.\r\n\u2022\t\r\n\r\nBy default, Internet Explorer on Windows Server 2003 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 have not been added to 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 FTP Server Response Parsing Memory Corruption Vulnerability - CVE-2007-0217:\r\n\r\nMicrosoft has tested the following workarounds. Although these workarounds will not correct the underlying vulnerability, they help block known attack vectors. When a workaround reduces functionality, it is identified in the following section.\r\n\u2022\t\r\n\r\nRead e-mail messages in plain text format if you are using Outlook 2002 or a later version, or Outlook Express 6 SP1 or a later version, to help protect yourself from the HTML e-mail attack vector.\r\n\r\nMicrosoft Outlook 2002 users who have applied Office XP Service Pack 1 or a later version and Microsoft 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 &#40;custom code solutions&#41; may behave unexpectedly.\r\nTop of sectionTop of section\r\n\t\r\nFAQ for FTP Server Response Parsing Memory Corruption Vulnerability - CVE-2007-0217:\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 remotely 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.. 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 handles specially crafted FTP server responses it may corrupt system 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 these vulnerabilities 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\r\nHow could an attacker exploit the vulnerability? \r\nIn a Web-based attack scenario, an attacker would have to host an FTP server that is used to attempt to exploit this vulnerability. An attacker would have no way to force users to visit an FTP server. Instead, an attacker would have to persuade them to visit the FTP server site, typically by getting them to click a link on a Web page, in an e-mail message, or in an Instant Messenger request that takes users to the attacker&#39;s Web site.\r\n\r\nWhat systems are primarily at risk from the vulnerability? \r\nThis vulnerability requires that a user is logged on and visits an FTP server using the FTP Client included in Internet Explorer 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 these vulnerabilities.\r\n\r\nI am running Internet Explorer on Windows Server 2003. Does this mitigate this vulnerability? \r\nYes. By default, Internet Explorer on Windows Server 2003 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 have not been added to Internet Explorer Trusted sites zone. See the next FAQ in this section for more information about Internet Explorer Enhanced Security Configuration.\r\n\r\nWhat is Internet Explorer Enhanced Security Configuration? \r\nInternet Explorer Enhanced Security Configuration is a group of preconfigured Internet Explorer settings that reduce the likelihood of a user or administrator downloading and running malicious Web content on a server. Internet Explorer Enhanced Security Configuration reduces this threat by modifying numerous security-related settings, including Security and Advanced tab settings in Internet Options. Some of the key modifications include:\r\n\u2022\t\r\n\r\nSecurity level for the Internet zone is set to High. This setting disables scripts, ActiveX components, Microsoft virtual machine &#40;Microsoft VM&#41; HTML content, and file downloads.\r\n\u2022\t\r\n\r\nAutomatic detection of intranet sites is disabled. This setting assigns all intranet Web sites and all Universal Naming Convention &#40;UNC&#41; paths that are not explicitly listed in the Local intranet zone to the Internet zone.\r\n\u2022\t\r\n\r\nInstall on Demand and non-Microsoft browser extensions are disabled. This setting prevents Web pages from automatically installing components and prevents non-Microsoft extensions from running.\r\n\u2022\t\r\n\r\nMultimedia content is disabled. This setting prevents music, animations, and video clips from running.\r\n\r\nFor more information regarding Internet Explorer Enhanced Security Configuration, please consult the Managing Internet Explorer Enhanced Security Configuration guide, which can be found at the following Web site.\r\n\r\nWhat does the update do? \r\nThe update removes the vulnerability by modifying the way Internet Explorer handles FTP server responses.\r\n\r\nWhen this security bulletin was issued, had this vulnerability been publicly disclosed? \r\nNo. Microsoft received information about this vulnerability through responsible 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 and had not seen any examples of proof of concept code published when this security bulletin was originally issued.\r\n\r\nAcknowledgments\r\n\r\nMicrosoft thanks the following for working with us to help protect customers:\r\n\u2022\t\r\n\r\nH D Moore of BreakingPoint Systems for reporting five class identifiers documented in the COM Object Instantiation Memory Corruption Vulnerability &#40;CVE-2007-0219&#41;.\r\n\u2022\t\r\n\r\niDefense for reporting the FTP Server Response Parsing Memory Corruption Vulnerability &#40;CVE-2007-0217&#41;.\r\n\r\nDisclaimer:\r\n\r\nThe information provided in the Microsoft Knowledge Base is provided &quot;as is&quot; 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 &#40;February 13, 2007&#41;: Bulletin published.", "modified": "2007-02-14T00:00:00", "published": "2007-02-14T00:00:00", "id": "SECURITYVULNS:DOC:16063", "href": "https://vulners.com/securityvulns/SECURITYVULNS:DOC:16063", "title": "Microsoft Security Bulletin MS07-016 Cumulative Security Update for Internet Explorer &#40;928090&#41;", "type": "securityvulns", "cvss": {"score": 10.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}]}