An information disclosure vulnerability exists in the way that Microsoft Edge handles cross-origin requests. An attacker who successfully exploited this vulnerability could determine the origin of all webpages in the affected browser.
In a web-based attack scenario, an attacker could host a website that is used to attempt to exploit the vulnerability. Additionally, compromised websites and websites that accept or host user-provided content could contain specially crafted content that could be used to exploit the vulnerability. However, in all cases an attacker would have no way to force users to view attacker-controlled content. Instead, an attacker would have to convince users to take action. For example, an attacker could trick users into clicking a link that takes them to the attacker's site.
The security update addresses the vulnerability by correcting how Microsoft Edge handles cross-origin requests.
{"id": "MS:CVE-2018-8545", "bulletinFamily": "microsoft", "title": "Microsoft Edge Information Disclosure Vulnerability", "description": "An information disclosure vulnerability exists in the way that Microsoft Edge handles cross-origin requests. An attacker who successfully exploited this vulnerability could determine the origin of all webpages in the affected browser.\n\nIn a web-based attack scenario, an attacker could host a website that is used to attempt to exploit the vulnerability. Additionally, compromised websites and websites that accept or host user-provided content could contain specially crafted content that could be used to exploit the vulnerability. However, in all cases an attacker would have no way to force users to view attacker-controlled content. Instead, an attacker would have to convince users to take action. For example, an attacker could trick users into clicking a link that takes them to the attacker's site.\n\nThe security update addresses the vulnerability by correcting how Microsoft Edge handles cross-origin requests.\n", "published": "2018-11-13T08:00:00", "modified": "2018-11-13T08:00:00", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N"}, "cvss2": {"acInsufInfo": false, "cvssV2": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": true}, "cvss3": {"cvssV3": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 1.4}, "href": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2018-8545", "reporter": "Microsoft", "references": [], "cvelist": ["CVE-2018-8545"], "immutableFields": [], "type": "mscve", "lastseen": "2022-10-26T18:28:13", "edition": 1, "viewCount": 3, "enchantments": {"backreferences": {"references": [{"idList": ["CISA:574A6E25827684C587359C37EF1D5132"], "type": "cisa"}, {"idList": ["TALOSBLOG:888E52F54CE3D9839D4EF47A5A2C49D8"], "type": "talosblog"}, {"idList": ["CVE-2018-8545"], "type": "cve"}, {"idList": ["KB4467708"], "type": "mskb"}, {"idList": ["OPENVAS:1361412562310814180", "OPENVAS:1361412562310814342"], "type": "openvas"}, {"idList": ["THREATPOST:2C2827FBF9D900F4194802CE8C471B4C"], "type": "threatpost"}, {"idList": ["SMB_NT_MS18_NOV_4467708.NASL"], "type": "nessus"}, {"idList": ["KLA11353"], "type": "kaspersky"}, {"idList": ["CPAI-2018-1048"], "type": "checkpoint_advisories"}, {"idList": ["THN:FC0A657EEDC66A38CB29C06FB477EEF0"], "type": "thn"}]}, "dependencies": {"references": [{"idList": ["TALOSBLOG:888E52F54CE3D9839D4EF47A5A2C49D8"], "type": "talosblog"}, {"idList": ["THN:FC0A657EEDC66A38CB29C06FB477EEF0", "THN:F105EC29B075B4160BEA8C73DEF3421A"], "type": "thn"}, {"idList": ["CVE-2018-8545"], "type": "cve"}, {"idList": ["KB4467708"], "type": "mskb"}, {"idList": ["OPENVAS:1361412562310814180", "OPENVAS:1361412562310814342"], "type": "openvas"}, {"idList": ["SMB_NT_MS18_NOV_4467708.NASL"], "type": "nessus"}, {"idList": ["KLA11353"], "type": "kaspersky"}, {"idList": ["CPAI-2018-1048"], "type": "checkpoint_advisories"}], "rev": 4}, "exploitation": null, "score": {"value": 1.9, "vector": "NONE"}, "vulnersScore": 1.9}, "_state": {"dependencies": 1666809388, "score": 1666809538}, "_internal": {"score_hash": "95eecfc899f2b330d0d6c3958b385f82"}, "kbList": ["KB4462919", "KB4467708", "KB4464330", "KB4467702"], "msrc": "", "mscve": "CVE-2018-8545", "msAffectedSoftware": [{"kb": "KB4467708", "kbSupersedence": "KB4464330", "msplatform": "Windows Server 2019", "name": "microsoft edge (edgehtml-based)", "operator": "", "version": ""}, {"kb": "KB4467708", "kbSupersedence": "KB4464330", "msplatform": "Windows 10 Version 1809 for x64-based Systems", "name": "microsoft edge (edgehtml-based)", "operator": "", "version": ""}, {"kb": "KB4467708", "kbSupersedence": "KB4464330", "msplatform": "Windows 10 Version 1809 for 32-bit Systems", "name": "microsoft edge (edgehtml-based)", "operator": "", "version": ""}, {"kb": "KB4467708", "kbSupersedence": "KB4464330", "msplatform": "Windows 10 Version 1809 for ARM64-based Systems", "name": "microsoft edge (edgehtml-based)", "operator": "", "version": ""}, {"kb": "KB4467702", "kbSupersedence": "KB4462919", "msplatform": "Windows 10 Version 1803 for 32-bit Systems", "name": "microsoft edge (edgehtml-based)", "operator": "", "version": ""}, {"kb": "KB4467702", "kbSupersedence": "KB4462919", "msplatform": "Windows 10 Version 1803 for x64-based Systems", "name": "microsoft edge (edgehtml-based)", "operator": "", "version": ""}, {"kb": "KB4467702", "kbSupersedence": "KB4462919", "msplatform": "Windows 10 Version 1803 for ARM64-based Systems", "name": "microsoft edge (edgehtml-based)", "operator": "", "version": ""}], "vendorCvss": {"baseScore": "4.3", "temporalScore": "3.9", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C"}}
{"checkpoint_advisories": [{"lastseen": "2021-12-17T11:25:53", "description": "An information disclosure vulnerability exists in Microsoft Edge. Successful exploitation of this vulnerability would allow a remote attacker to obtain sensitive information.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 4.3, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "userInteraction": "REQUIRED", "version": "3.0"}, "impactScore": 1.4}, "published": "2018-11-13T00:00:00", "type": "checkpoint_advisories", "title": "Microsoft Edge Information Disclosure (CVE-2018-8545)", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-8545"], "modified": "2018-11-13T00:00:00", "id": "CPAI-2018-1048", "href": "", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N"}}], "cve": [{"lastseen": "2022-03-23T18:46:57", "description": "An information disclosure vulnerability exists in the way that Microsoft Edge handles cross-origin requests, aka \"Microsoft Edge Information Disclosure Vulnerability.\" This affects Microsoft Edge.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 4.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 1.4}, "published": "2018-11-14T01:29:00", "type": "cve", "title": "CVE-2018-8545", "cwe": ["NVD-CWE-noinfo"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-8545"], "modified": "2020-08-24T17:37:00", "cpe": ["cpe:/a:microsoft:edge:-"], "id": "CVE-2018-8545", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-8545", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N"}, "cpe23": ["cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*"]}], "thn": [{"lastseen": "2022-05-09T12:39:43", "description": "[](<https://thehackernews.com/images/-P3lHPF-kKBo/XJ8UYvrVqyI/AAAAAAAAzn4/kcWjCWvffDItsXuRnM-LVeeBDEaYmXCKwCLcBGAs/s728-e100/microsoft-edge-internet-explorer-hacking.png>)\n\nExclusive \u2014 A security researcher today publicly disclosed details and proof-of-concept exploits for two 'unpatched' zero-day vulnerabilities in Microsoft's web browsers after the company allegedly failed to respond to his responsible private disclosure. \n \nBoth unpatched vulnerabilities\u2014one of which affects the latest version of Microsoft **Internet Explorer **and another affects the latest **Edge Browser**\u2014allow a remote attacker to bypass same-origin policy on victim's web browser. \n \n**Same Origin Policy** (SOP) is a security feature implemented in modern browsers that restricts a web-page or a script loaded from one origin to interact with a resource from another origin, preventing unrelated sites from interfering with each other. \n \nIn other words, if you visit a website on your web browser, it can only request data from the same origin [domain] the site was loaded from, preventing it from making any unauthorized request on your behalf in order to steal your data, from other sites. \n \nHowever, the vulnerabilities discovered by 20-year-old security researcher **James Lee**, who shared the details with The Hacker News, could allow a malicious website to perform universal cross-site scripting (UXSS) attacks against any domain visited using the vulnerable Microsoft's web browsers. \n \nTo successfully exploit these vulnerabilities, all attackers need to do is convince a victim into opening the malicious website [created by hacker], eventually allowing them to steal victim's sensitive data, like login session and cookies, from other sites visited on the same browser. \n \n\n\n> \"The issue is within Resource Timing Entries in Microsoft Browsers which inappropriately leak Cross-Origin URLs after redirection,\" Lee told The Hacker News in an email.\n\n \nThe researcher contacted Microsoft and responsibly shared his finding with the company ten months ago, that's almost a year, but the tech giant ignored the issues and did not respond to the disclosure till the date, leaving both the flaws unpatched. \n \nLee has now [released](<https://twitter.com/Windowsrcer/status/1111593640357355520>) proof-of-concept (PoCs) exploits for both issues. \n \nThe Hacker News has independently tested and confirmed both the zero-day vulnerabilities against the latest version of Internet Explorer and Edge running on a fully-patched Windows 10 operating system. \n \nThe newly-disclosed vulnerabilities are similar to the ones Microsoft patched last year in its Internet Explorer (CVE-2018-8351) and Edge browsers (CVE-2018-8545). \n \nSince the details and PoC for both the zero-days have already been made publicly available, hackers won't take much time to exploit the flaws in an attempt to target Microsoft users. \n \nWhat's disappointing is that there is currently not much that users can do to avoid this problem until Microsoft patches the security issues. You can use other web browsers that are not affected by this vulnerability, such as Chrome or Firefox.\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 6.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 3.6}, "published": "2019-03-30T07:23:00", "type": "thn", "title": "Unpatched Zero-Days in Microsoft Edge and IE Browsers Disclosed Publicly", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-8351", "CVE-2018-8545"], "modified": "2019-04-02T12:45:12", "id": "THN:F105EC29B075B4160BEA8C73DEF3421A", "href": "https://thehackernews.com/2019/03/microsoft-edge-ie-zero-days.html", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2022-05-09T12:40:45", "description": "[](<https://thehackernews.com/images/-BegXCdoYhlQ/W-vvGK4tEuI/AAAAAAAAync/HdIFCALDPFY6MIpKMJwjVzO6UeAyWJTaQCLcBGAs/s728-e100/windows-patch-update.png>)\n\nIt's Patch Tuesday once again\u2026time for another round of security updates for the Windows operating system and other Microsoft products. \n \nThis month Windows users and system administrators need to immediately take care of a total of 63 security vulnerabilities, of which 12 are rated critical, 49 important and one moderate and one low in severity. \n \nTwo of the vulnerabilities patched by the tech giant this month are listed as publicly known at the time of release, and one flaw is reported as being actively exploited in the wild by multiple cybercriminal groups. \n \n\n\n## Zero-Day Vulnerability Being Exploited by Cyber Criminals\n\n \nThe zero-day vulnerability, tracked as [CVE-2018-8589](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8589>), which is being exploited in the wild by multiple advanced persistent threat groups was first spotted and reported by security researchers from Kaspersky Labs. \n\n\n[](<https://thehackernews.com/images/-zoeqiKB6Q8U/W-vt3rWZOoI/AAAAAAAAynU/DSH8u_rUMGA0UXE_R75Ibul6n3amQzRqwCLcBGAs/s728-e100/windows-vulnerability.png>)\n\n \nThe flaw resides in the Win32k component (win32k.sys), which if exploited successfully, could allow a malicious program to execute arbitrary code in kernel mode and elevate its privileges on an affected Windows 7, Server 2008 or Server 2008 R2 to take control of it. \n \n\n\n> \"The exploit was executed by the first stage of a malware installer in order to gain the necessary privileges for persistence on the victim's system. So far, we have detected a very limited number of attacks using this vulnerability,\" Kaspersky [said](<https://securelist.com/a-new-exploit-for-zero-day-vulnerability-cve-2018-8589/88845/>).\n\n \n\n\n## Two Publicly Disclosed Zero-Day Vulnerabilities\n\n \nThe other two publicly known zero-day vulnerabilities which were not listed as under active attack reside in Windows Advanced Local Procedure Call (ALPC) service and Microsoft's BitLocker Security Feature. \n \nThe [flaw related to ALPC](<https://thehackernews.com/2018/08/windows-zero-day-exploit.html>), tracked as [CVE-2018-8584](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8584>), is a privilege escalation vulnerability that could be exploited by running a specially crafted application to execute arbitrary code in the security context of the local system and take control over an affected system. \n \nAdvanced local procedure call (ALPC) facilitates high-speed and secure data transfer between one or more processes in the user mode. \n \nThe second publicly disclosed vulnerability, tracked as [CVE-2018-8566](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8566>), exists when Windows improperly suspends BitLocker Device Encryption, which could allow an attacker with physical access to a powered-off system to bypass security and gain access to encrypted data. \n \nBitLocker was in headlines earlier this month for a separate issue that could [expose Windows users encrypted data](<https://thehackernews.com/2018/11/self-encrypting-ssd-hacking.html>) due to its default encryption preference and bad encryption on self-encrypting SSDs. \n \nMicrosoft did not fully address this issue; instead, the company simply provided a guide on how to manually change BitLocker default encryption choice. \n \n\n\n## November 2018 Patch Tuesday: Critical and Important Flaws\n\n \nOut of 12 critical, eight are memory corruption vulnerabilities in the Chakra scripting engine that resides due to the way the scripting engine handles objects in memory in the Microsoft Edge internet browser. \n \nAll the 8 vulnerabilities could be exploited to corrupt memory, allowing an attacker to execute code in the context of the current user. To exploit these bugs, all an attacker needs to do is tricking victims into opening a specially crafted website on Microsoft Edge. \n \nRest three vulnerabilities are remote code execution bugs in the Windows Deployment Services TFTP server, Microsoft Graphics Components, and the VBScript engine. All these flaws reside due to the way the affected software handles objects in memory. \n \nThe last critical vulnerability is also a remote code execution flaw that lies in Microsoft Dynamics 365 (on-premises) version 8. The flaw exists when the server fails to properly sanitize web requests to an affected Dynamics server. \n \nIf exploited successfully, the vulnerability could allow an authenticated attacker to run arbitrary code in the context of the SQL service account by sending a specially crafted request to a vulnerable Dynamics server. \nWindows Deployment Services TFTP Server Remote Code Execution Vulnerability| CVE-2018-8476| Critical \n---|---|--- \nMicrosoft Graphics Components Remote Code Execution Vulnerability| CVE-2018-8553| Critical \nChakra Scripting Engine Memory Corruption Vulnerability| CVE-2018-8588| Critical \nChakra Scripting Engine Memory Corruption Vulnerability| CVE-2018-8541| Critical \nChakra Scripting Engine Memory Corruption Vulnerability| CVE-2018-8542| Critical \nChakra Scripting Engine Memory Corruption Vulnerability| CVE-2018-8543| Critical \nWindows VBScript Engine Remote Code Execution Vulnerability| CVE-2018-8544| Critical \nChakra Scripting Engine Memory Corruption Vulnerability| CVE-2018-8555| Critical \nChakra Scripting Engine Memory Corruption Vulnerability| CVE-2018-8556| Critical \nChakra Scripting Engine Memory Corruption Vulnerability| CVE-2018-8557| Critical \nChakra Scripting Engine Memory Corruption Vulnerability| CVE-2018-8551| Critical \nMicrosoft Dynamics 365 (on-premises) version 8 Remote Code Execution Vulnerability| CVE-2018-8609| Critical \nAzure App Service Cross-site Scripting Vulnerability| CVE-2018-8600| Important \nWindows Win32k Elevation of Privilege Vulnerability| CVE-2018-8589| Important \nBitLocker Security Feature Bypass Vulnerability| CVE-2018-8566| Important \nWindows ALPC Elevation of Privilege Vulnerability| CVE-2018-8584| Important \nTeam Foundation Server Cross-site Scripting Vulnerability| CVE-2018-8602| Important \nMicrosoft Dynamics 365 (on-premises) version 8 Cross Site Scripting Vulnerability| CVE-2018-8605| Important \nMicrosoft Dynamics 365 (on-premises) version 8 Cross Site Scripting Vulnerability| CVE-2018-8606| Important \nMicrosoft Dynamics 365 (on-premises) version 8 Cross Site Scripting Vulnerability| CVE-2018-8607| Important \nMicrosoft Dynamics 365 (on-premises) version 8 Cross Site Scripting Vulnerability| CVE-2018-8608| Important \nMicrosoft RemoteFX Virtual GPU miniport driver Elevation of Privilege Vulnerability| CVE-2018-8471| Important \nDirectX Elevation of Privilege Vulnerability| CVE-2018-8485| Important \nDirectX Elevation of Privilege Vulnerability| CVE-2018-8554| Important \nDirectX Elevation of Privilege Vulnerability| CVE-2018-8561| Important \nWin32k Elevation of Privilege Vulnerability| CVE-2018-8562| Important \nMicrosoft SharePoint Elevation of Privilege Vulnerability| CVE-2018-8572| Important \nMicrosoft Exchange Server Elevation of Privilege Vulnerability| CVE-2018-8581| Important \nWindows COM Elevation of Privilege Vulnerability| CVE-2018-8550| Important \nWindows VBScript Engine Remote Code Execution Vulnerability| CVE-2018-8552| Important \nMicrosoft SharePoint Elevation of Privilege Vulnerability| CVE-2018-8568| Important \nWindows Elevation Of Privilege Vulnerability| CVE-2018-8592| Important \nMicrosoft Edge Elevation of Privilege Vulnerability| CVE-2018-8567| Important \nDirectX Information Disclosure Vulnerability| CVE-2018-8563| Important \nMSRPC Information Disclosure Vulnerability| CVE-2018-8407| Important \nWindows Audio Service Information Disclosure Vulnerability| CVE-2018-8454| Important \nWin32k Information Disclosure Vulnerability| CVE-2018-8565| Important \nMicrosoft Outlook Information Disclosure Vulnerability| CVE-2018-8558| Important \nWindows Kernel Information Disclosure Vulnerability| CVE-2018-8408| Important \nMicrosoft Edge Information Disclosure Vulnerability| CVE-2018-8545| Important \nMicrosoft SharePoint Information Disclosure Vulnerability| CVE-2018-8578| Important \nMicrosoft Outlook Information Disclosure Vulnerability| CVE-2018-8579| Important \nPowerShell Remote Code Execution Vulnerability| CVE-2018-8256| Important \nMicrosoft Outlook Remote Code Execution Vulnerability| CVE-2018-8522| Important \nMicrosoft Outlook Remote Code Execution Vulnerability| CVE-2018-8576| Important \nMicrosoft Outlook Remote Code Execution Vulnerability| CVE-2018-8524| Important \nMicrosoft Word Remote Code Execution Vulnerability| CVE-2018-8539| Important \nMicrosoft Word Remote Code Execution Vulnerability| CVE-2018-8573| Important \nMicrosoft Excel Remote Code Execution Vulnerability| CVE-2018-8574| Important \nMicrosoft Project Remote Code Execution Vulnerability| CVE-2018-8575| Important \nMicrosoft Outlook Remote Code Execution Vulnerability| CVE-2018-8582| Important \nWindows Search Remote Code Execution Vulnerability| CVE-2018-8450| Important \nMicrosoft Excel Remote Code Execution Vulnerability| CVE-2018-8577| Important \nInternet Explorer Memory Corruption Vulnerability| CVE-2018-8570| Important \nMicrosoft JScript Security Feature Bypass Vulnerability| CVE-2018-8417| Important \nWindows Security Feature Bypass Vulnerability| CVE-2018-8549| Important \nMicrosoft Edge Spoofing Vulnerability| CVE-2018-8564| Important \nActive Directory Federation Services XSS Vulnerability| CVE-2018-8547| Important \nTeam Foundation Server Remote Code Execution Vulnerability| CVE-2018-8529| Important \nYammer Desktop Application Remote Code Execution Vulnerability| CVE-2018-8569| Important \nMicrosoft Powershell Tampering Vulnerability| CVE-2018-8415| Important \n.NET Core Tampering Vulnerability| CVE-2018-8416| Moderate \nMicrosoft Skype for Business Denial of Service Vulnerability| CVE-2018-8546| Low \nThis month's security update also covers 46 important vulnerabilities in Windows, PowerShell, MS Excel, Outlook, SharePoint, VBScript Engine, Edge, Windows Search service, Internet Explorer, Azure App Service, Team Foundation Server, and Microsoft Dynamics 365. \n \nUsers and system administrators are strongly advised to apply the above security patches as soon as possible in order to keep hackers and cyber criminals away from taking control of their systems. \n \nFor installing security patch updates, head on to Settings \u2192 Update & security \u2192 Windows Update \u2192 Check for updates, or you can install the updates manually.\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 9.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2018-11-14T09:55:00", "type": "thn", "title": "63 New Flaws (Including 0-Days) Windows Users Need to Patch Now", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 10.0, "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-8256", "CVE-2018-8407", "CVE-2018-8408", "CVE-2018-8415", "CVE-2018-8416", "CVE-2018-8417", "CVE-2018-8450", "CVE-2018-8454", "CVE-2018-8471", "CVE-2018-8476", "CVE-2018-8485", "CVE-2018-8522", "CVE-2018-8524", "CVE-2018-8529", "CVE-2018-8539", "CVE-2018-8541", "CVE-2018-8542", "CVE-2018-8543", "CVE-2018-8544", "CVE-2018-8545", "CVE-2018-8546", "CVE-2018-8547", "CVE-2018-8549", "CVE-2018-8550", "CVE-2018-8551", "CVE-2018-8552", "CVE-2018-8553", "CVE-2018-8554", "CVE-2018-8555", "CVE-2018-8556", "CVE-2018-8557", "CVE-2018-8558", "CVE-2018-8561", "CVE-2018-8562", "CVE-2018-8563", "CVE-2018-8564", "CVE-2018-8565", "CVE-2018-8566", "CVE-2018-8567", "CVE-2018-8568", "CVE-2018-8569", "CVE-2018-8570", "CVE-2018-8572", "CVE-2018-8573", "CVE-2018-8574", "CVE-2018-8575", "CVE-2018-8576", "CVE-2018-8577", "CVE-2018-8578", "CVE-2018-8579", "CVE-2018-8581", "CVE-2018-8582", "CVE-2018-8584", "CVE-2018-8588", "CVE-2018-8589", "CVE-2018-8592", "CVE-2018-8600", "CVE-2018-8602", "CVE-2018-8605", "CVE-2018-8606", "CVE-2018-8607", "CVE-2018-8608", "CVE-2018-8609"], "modified": "2018-11-14T09:55:30", "id": "THN:FC0A657EEDC66A38CB29C06FB477EEF0", "href": "https://thehackernews.com/2018/11/microsoft-patch-tuesday-updates.html", "cvss": {"score": 10.0, "vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C"}}], "mskb": [{"lastseen": "2023-01-11T10:45:10", "description": "None\n**Notes: **\n\n * This release also contains updates for Microsoft HoloLens (OS Build 17763.134) released November 13, 2018.\n * Microsoft will release an update directly to the Windows Update Client to improve Windows Update reliability on Microsoft HoloLens that have not updated to this most recent OS Build.\n\n## Improvements and fixes\n\nThis update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:\n\n * Provides protections against an additional subclass of speculative execution side-channel vulnerability known as [Speculative Store Bypass](<https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fblogs.technet.microsoft.com%2Fsrd%2F2018%2F05%2F21%2Fanalysis-and-mitigation-of-speculative-store-bypass-cve-2018-3639%2F&data=02%7C01%7Cv-shros%40microsoft.com%7C5d87d9af06654ddfae0908d643dadab2%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636771004591485932&sdata=ZBLM6Ewct67PtrDhap8e6JnvWTAsOtU7yv%2FrYG5BrzM%3D&reserved=0>) (CVE-2018-3639) for AMD-based computers. These protections aren't enabled by default. For Windows client (IT pro) guidance, follow the instructions in KB4073119. For Windows Server guidance, follow the instructions in KB4072698. Use these guidance documents to enable mitigations for Speculative Store Bypass (CVE-2018-3639). Additionally, use the mitigations that have already been released for Spectre Variant 2 (CVE-2017-5715) and Meltdown (CVE-2017-5754).\n * Addresses an issue that prevents users from signing in to a Microsoft account (MSA) as a different user if signing in a second time.\n * Addresses an issue that denies file system access to Internet of Things (IoT) Universal Windows Platform (UWP) apps that require this capability.\n * Addresses an issue that causes the on-screen keyboard to appear when running automated tests or when you install a physical keyboard.\n * Security updates to Microsoft Edge, Windows Scripting, Internet Explorer, Windows App Platform and Frameworks, Windows Graphics, Windows Media, Windows Kernel, Windows Server, and Windows Wireless Networking.\nIf you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.For more information about the resolved security vulnerabilities, please refer to the [Security Update Guide](<https://portal.msrc.microsoft.com/security-guidance>).\n\n## Known issues in this update\n\nSymptom| Workaround \n---|--- \nAfter installing this update, some users cannot set Win32 program defaults for certain app and file type combinations using the **Open with\u2026** command or **Settings **> **Apps **> **Default apps**.In some cases, Microsoft Notepad or other Win32 programs cannot be set as the default.| This issue is resolved in KB4469342. \nAfter installing this update, users may not be able to use the **Seek Bar** in Windows Media Player when playing specific files. This issue does not affect normal playback.| This issue is resolved in KB4471332. \nnVidia has notified Microsoft of an issue where Microsoft Edge may crash or hang while playing video. This issue occurs following an nVidia driver update. | nVidia has released an updated driver to address this issue. Please follow the instructions found in _[nVidia's support article.](<https://nvidia.custhelp.com/app/answers/detail/a_id/4745>) _ \n \n## How to get this update\n\n**Before installing this update**Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For more information, see [Servicing stack updates](<https://docs.microsoft.com/windows/deployment/update/servicing-stack-updates#why-should-servicing-stack-updates-be-installed-and-kept-up-to-date>).If you are using Windows Update, the latest SSU (KB4465664) will be offered to you automatically. To get the stand-alone package for the latest SSU, go to the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/home.aspx>).**Install this update**This update will be downloaded and installed automatically from Windows Update. To get the stand-alone package for this update, go to the [Microsoft Update Catalog](<http://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4467708 >) website.**File information**For a list of the files that are provided in this update, download the [file information for cumulative update 4467708](<http://download.microsoft.com/download/7/C/9/7C98DF34-BA6A-435A-889E-090362011AFC/4467708.csv>).\n", "cvss3": {"exploitabilityScore": 1.1, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "CHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.6, "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 4.0}, "published": "2018-11-13T08:00:00", "type": "mskb", "title": "November 13, 2018\u2014KB4467708 (OS Build 17763.134)", "bulletinFamily": "microsoft", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 3.4, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 4.7, "vectorString": "AV:L/AC:M/Au:N/C:C/I:N/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 6.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-5715", "CVE-2017-5754", "CVE-2018-3639", "CVE-2018-8545"], "modified": "2018-11-13T08:00:00", "id": "KB4467708", "href": "https://support.microsoft.com/en-us/help/4467708", "cvss": {"score": 4.7, "vector": "AV:L/AC:M/Au:N/C:C/I:N/A:N"}}], "kaspersky": [{"lastseen": "2021-08-18T11:11:41", "description": "### *Detect date*:\n11/13/2018\n\n### *Severity*:\nCritical\n\n### *Description*:\nMultiple serious vulnerabilities were found in Microsoft Browsers. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, gain privileges, spoof user interface.\n\n### *Affected products*:\nMicrosoft Edge \nChakraCore \nInternet Explorer 11 \nInternet Explorer 9 \nInternet Explorer 10\n\n### *Solution*:\nInstall necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)\n\n### *Original advisories*:\n[CVE-2018-8588](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8588>) \n[CVE-2018-8557](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8557>) \n[CVE-2018-8545](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8545>) \n[CVE-2018-8542](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8542>) \n[CVE-2018-8556](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8556>) \n[CVE-2018-8543](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8543>) \n[CVE-2018-8567](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8567>) \n[CVE-2018-8564](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8564>) \n[CVE-2018-8541](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8541>) \n[CVE-2018-8552](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8552>) \n[CVE-2018-8570](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8570>) \n[CVE-2018-8555](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8555>) \n[CVE-2018-8551](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8551>) \n\n\n### *Impacts*:\nACE \n\n### *Related products*:\n[Microsoft Internet Explorer](<https://threats.kaspersky.com/en/product/Microsoft-Internet-Explorer/>)\n\n### *CVE-IDS*:\n[CVE-2018-8588](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8588>)7.6Critical \n[CVE-2018-8557](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8557>)7.6Critical \n[CVE-2018-8545](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8545>)4.3Warning \n[CVE-2018-8542](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8542>)7.6Critical \n[CVE-2018-8556](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8556>)7.6Critical \n[CVE-2018-8543](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8543>)7.6Critical \n[CVE-2018-8567](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8567>)5.8High \n[CVE-2018-8564](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8564>)4.3Warning \n[CVE-2018-8541](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8541>)7.6Critical \n[CVE-2018-8552](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8552>)7.6Critical \n[CVE-2018-8570](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8570>)7.6Critical \n[CVE-2018-8555](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8555>)7.6Critical \n[CVE-2018-8551](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8551>)7.6Critical\n\n### *KB list*:\n[4467680](<http://support.microsoft.com/kb/4467680>) \n[4467708](<http://support.microsoft.com/kb/4467708>) \n[4467691](<http://support.microsoft.com/kb/4467691>) \n[4467702](<http://support.microsoft.com/kb/4467702>) \n[4467686](<http://support.microsoft.com/kb/4467686>) \n[4467696](<http://support.microsoft.com/kb/4467696>) \n[4467701](<http://support.microsoft.com/kb/4467701>) \n[4467697](<http://support.microsoft.com/kb/4467697>) \n[4466536](<http://support.microsoft.com/kb/4466536>) \n[4467107](<http://support.microsoft.com/kb/4467107>)\n\n### *Microsoft official advisories*:\n\n\n### *Exploitation*:\nThe following public exploits exists for this vulnerability:", "cvss3": {"exploitabilityScore": 1.6, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "HIGH", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "userInteraction": "REQUIRED", "version": "3.0"}, "impactScore": 5.9}, "published": "2018-11-13T00:00:00", "type": "kaspersky", "title": "KLA11353 Multiple vulnerabilities in Microsoft Browser", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 4.9, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "HIGH", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 7.6, "vectorString": "AV:N/AC:H/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-8541", "CVE-2018-8542", "CVE-2018-8543", "CVE-2018-8545", "CVE-2018-8551", "CVE-2018-8552", "CVE-2018-8555", "CVE-2018-8556", "CVE-2018-8557", "CVE-2018-8564", "CVE-2018-8567", "CVE-2018-8570", "CVE-2018-8588"], "modified": "2020-07-22T00:00:00", "id": "KLA11353", "href": "https://threats.kaspersky.com/en/vulnerability/KLA11353/", "cvss": {"score": 7.6, "vector": "AV:N/AC:H/Au:N/C:C/I:C/A:C"}}], "nessus": [{"lastseen": "2023-01-11T14:51:00", "description": "The remote Windows host is missing security update 4467708.\nIt is, therefore, affected by multiple vulnerabilities :\n\n - A security feature bypass vulnerability exists in Microsoft JScript that could allow an attacker to bypass Device Guard. (CVE-2018-8417)\n\n - A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user.\n (CVE-2018-8552)\n\n - An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.\n (CVE-2018-8485, CVE-2018-8554, CVE-2018-8561)\n\n - A remote code execution vulnerability exists when PowerShell improperly handles specially crafted files.\n An attacker who successfully exploited this vulnerability could execute malicious code on a vulnerable system. (CVE-2018-8256)\n\n - A security feature bypass exists when Windows incorrectly validates kernel driver signatures. An attacker who successfully exploited this vulnerability could bypass security features and load improperly signed drivers into the kernel. In an attack scenario, an attacker could bypass security features intended to prevent improperly signed drivers from being loaded by the kernel. The update addresses the vulnerability by correcting how Windows validates kernel driver signatures. (CVE-2018-8549)\n\n - An information disclosure vulnerability exists in the way that Microsoft Edge handles cross-origin requests.\n An attacker who successfully exploited this vulnerability could determine the origin of all webpages in the affected browser. (CVE-2018-8545)\n\n - A tampering vulnerability exists in PowerShell that could allow an attacker to execute unlogged code.\n (CVE-2018-8415)\n\n - A remote code execution vulnerability exists in the way that Windows Deployment Services TFTP Server handles objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code with elevated permissions on a target system.\n (CVE-2018-8476)\n\n - An elevation of privilege vulnerability exists in Windows 10 version 1809 when installed from physical media (USB, DVD, etc.) with the keep nothing option selected during installation. Successful exploitation of the vulnerability could allow an attacker to gain local access to an affected system. (CVE-2018-8592)\n\n - A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2018-8544)\n\n - An elevation of privilege vulnerability exists when Windows improperly handles calls to Advanced Local Procedure Call (ALPC). An attacker who successfully exploited this vulnerability could run arbitrary code in the security context of the local system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.\n (CVE-2018-8584)\n\n - An elevation of privilege exists in Windows COM Aggregate Marshaler. An attacker who successfully exploited the vulnerability could run arbitrary code with elevated privileges. (CVE-2018-8550)\n\n - An information disclosure vulnerability exists when Windows Audio Service fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could potentially disclose memory contents of a elevated process. (CVE-2018-8454)\n\n - A spoofing vulnerability exists when Microsoft Edge improperly handles specific HTML content. An attacker who successfully exploited this vulnerability could trick a user into believing that the user was on a legitimate website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services.\n (CVE-2018-8564)\n\n - A cross-site-scripting (XSS) vulnerability exists when an open source customization for Microsoft Active Directory Federation Services (AD FS) does not properly sanitize a specially crafted web request to an affected AD FS server. An authenticated attacker could exploit the vulnerability by sending a specially crafted request to an affected AD FS server. The attacker who successfully exploited the vulnerability could then perform cross-site scripting attacks on affected systems and run scripts in the security context of the current user. The attacks could allow the attacker to read content that the attacker is not authorized to read, use the victim's identity to take actions on the AD FS site on behalf of the user, such as change permissions and delete content, and inject malicious content in the browser of the user. The security update addresses the vulnerability by helping to ensure that the open source customization for AD FS properly sanitizes web requests.\n (CVE-2018-8547)\n\n - An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs;\n view, change, or delete data; or create new accounts with full user rights. (CVE-2018-8562)\n\n - An information disclosure vulnerability exists when "Kernel Remote Procedure Call Provider" driver improperly initializes objects in memory.\n (CVE-2018-8407)\n\n - An elevation of privilege vulnerability exists in the way that the Microsoft RemoteFX Virtual GPU miniport driver handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. (CVE-2018-8471)\n\n - A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2018-8541, CVE-2018-8542, CVE-2018-8543, CVE-2018-8551, CVE-2018-8555, CVE-2018-8556, CVE-2018-8557, CVE-2018-8588)\n\n - An elevation of privilege vulnerability exists when Microsoft Edge does not properly enforce cross-domain policies, which could allow an attacker to access information from one domain and inject it into another domain. 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The latest Patch Tuesday covers 53 vulnerabilities, 11 of which are rated \"critical,\" 40 that are rated \"important\u201d and one \u201cmoderate\u201d and \u201clow\u201d vulnerability, each. \n \nThe advisories cover bugs in the Chakra scripting engine, Microsoft Outlook and DirectX. \n \nThis update also includes three advisories. One covers vulnerabilities in Adobe Flash Player, and another covers important bugs in the Microsoft Surface tablet. Additionally, there is guidance for how users should configure BitLocker in order to properly enforce software encryption. \n \nFor more on our coverage for these vulnerabilities, check out the SNORT\u24c7 blog post [here](<https://blog.snort.org/2018/11/snort-rule-update-for-nov-13-microsoft.html>). \n \n\n\n## Critical vulnerabilities\n\nMicrosoft disclosed 11 critical vulnerabilities this month, which we will highlight below. There is also a critical advisory covering Adobe Flash Player. \n \n[CVE-2018-8541](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8541>), [CVE-2018-8542](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8542>), [CVE-2018-8543](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8543>), [CVE-2018-8551](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8551>), [CVE-2018-8555](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8555>), [CVE-2018-8556](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8556>), [CVE-2018-8557](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8557>) and [CVE-2018-8588](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8588>) are all memory corruption vulnerabilities in the Chakra scripting engine. They all lie in the way that the scripting engine handles objects in memory in the Microsoft Edge internet browser. These vulnerabilities could corrupt memory in a way that an attacker could execute code in the context of the current user. An attacker needs to convince a user to open a specially crafted, malicious website on Microsoft Edge in order to exploit these bugs. \n \n[CVE-2018-8476](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8476>) is a remote code execution vulnerability in the Windows Deployment Services TFTP server. The bug lies in the way the TFTP server handles objects in memory. An attacker could exploit this vulnerability by supplying the user with a specially crafted request. \n \n[CVE-2018-8553](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8553>) is a remote code execution vulnerability in Microsoft Graphics Components that lies in the way Graphics Components handles objects in memory. An attacker can exploit this vulnerability by providing the user with a specially crafted file. \n \n[CVE-2018-8544](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8544>) is a remote code execution vulnerability that exists in the way that the VBScript engine handles objects in memory. An attacker needs to trick a user into visiting a specially crafted website on Internet Explorer in order to exploit this vulnerability. Alternatively, the attacker could also embed an ActiveX control marked \"safe for initialization\" in an application or Microsoft Office document that hosts Internet Explorer\u2019s rendering engine. \n \nADV180025 addresses several vulnerabilities in Adobe Flash Player, which are outlined by Adobe in a separate release. Microsoft recommends updating to the latest version of Flash Player, as well as disabling Flash on its web browsers. \n \n\n\n## Important vulnerabilities\n\nThere are also 40 important vulnerabilities in this release. We would like to specifically highlight seven of them. \n \n[CVE-2018-8256](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8256>) is a remote code execution vulnerability in PowerShell when it improperly handles specially crafted files. An attacker could execute malicious code on a vulnerable system. This update fixes the vulnerability by ensuring that PowerShell properly handles files. \n \n[CVE-2018-8574](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8574>) and [CVE-2018-8577](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8577>) are remote code execution vulnerabilities in Microsoft Excel that occurs when the software fails to properly handle objects in memory. An attacker could exploit this bug by tricking the user into opening a specially crafted Excel file, either as an email attachment or another method. \n \n[CVE-2018-8582](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8582>) is a remote code execution vulnerability in Microsoft Outlook when the software fails to properly parse specially modified rule export files. Users who have their settings configured to allow fewer user rights are less impacted by this vulnerability than those who operate with administrative user rights. Workstations and terminal servers that use Microsoft Outlook are also at risk. An attacker needs to convince a user to open a specially crafted rule export file in an email in order to trigger this bug. \n \n[CVE-2018-8450](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8450>) is a remote code execution vulnerability that exists when Windows Search handles objects in memory. An attacker could trigger this vulnerability by sending a specially crafted function to the Windows Search service, or via an SMB connection. \n \n[CVE-2018-8550](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8550>) is an elevation of privilege in Windows COM Aggregate Marshaler. An attacker who successfully exploits the vulnerability could run arbitrary code with elevated privileges. The vulnerability does not directly allow the user to execute arbitrary code, but it could be used in conjunction with other bugs to execute code with elevated privileges. \n \n[CVE-2018-8570](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8570>) is a remote code execution vulnerability in Internet Explorer that exists when the web browser improperly accesses objects in memory. An attacker could exploit this bug by hosting a malicious website on Internet Explorer and then convincing the user to visit the link. \n \nThe other important vulnerabilities are: \n\n\n * [CVE-2018-8408](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8408>)\n * [CVE-2018-8415](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8415>)\n * [CVE-2018-8417](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8417>)\n * [CVE-2018-8471](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8471>)\n * [CVE-2018-8485](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8485>)\n * [CVE-2018-8522](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8522>)\n * [CVE-2018-8524](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8524>)\n * [CVE-2018-8539](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8539>)\n * [CVE-2018-8545](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8545>)\n * [CVE-2018-8547](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8547>)\n * [CVE-2018-8549](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8549>)\n * [CVE-2018-8552](<https://www.blogger.com/>)\n * [CVE-2018-8554](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8554>)\n * [CVE-2018-8558](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8558>)\n * [CVE-2018-8561](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8561>)\n * [CVE-2018-8562](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8562>)\n * [CVE-2018-8563](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8563>)\n * [CVE-2018-8564](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8564>)\n * [CVE-2018-8565](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8565>)\n * [CVE-2018-8566](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8566>)\n * [CVE-2018-8567](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8567>)\n * [CVE-2018-8568](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8568>)\n * [CVE-2018-8572](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8572>)\n * [CVE-2018-8573](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8573>)\n * [CVE-2018-8575](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8575>)\n * [CVE-2018-8576](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8576>)\n * [CVE-2018-8578](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8578>)\n * [CVE-2018-8579](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8579>)\n * [CVE-2018-8581](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8581>)\n * [CVE-2018-8584](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8584>)\n * [CVE-2018-8589](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8589>)\n * [CVE-2018-8592](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8592>) \n * [CVE-2018-8407](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8407>)\n\n## Moderate vulnerabilities\n\nThe one moderate vulnerability is [CVE-2018-8546](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8546>), a denial-of-service vulnerability in the Skype video messaging service. \n \n\n\n## Low vulnerability\n\nThere is also one low-rated vulnerability, [CVE-2018-8416](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8416>), which is a tampering vulnerability in the .NET Core. \n[](<http://2.bp.blogspot.com/-Z50YbM6x1UQ/W-sgysmyNtI/AAAAAAAAEms/Hosgxldu4Z07rJvRjEHjJNXF6aCQgnYAACK4BGAYYCw/s1600/patch_availability_available.jpg>) \n\n\n## Coverage\n\nIn response to these vulnerability disclosures, Talos is releasing the following SNORT\u24c7 rules that detect attempts to exploit them. Please note that additional rules may be released at a future date and current rules are subject to change pending additional information. Firepower customers should use the latest update to their ruleset by updating their SRU. Open Source Snort Subscriber Rule Set customers can stay up-to-date by downloading the latest rule pack available for purchase on Snort.org. \n \n \nSnort rules: [32637, 45142, 45143, 48399 - 48404, 48374 - 48388, 48393 - 48395, 48360 - 48373, 48408 - 48410](<https://snort.org/advisories/talos-rules-2018-11-13>)\n\n", "cvss3": {}, "published": "2018-11-13T10:53:00", "type": "talosblog", "title": "Microsoft Patch Tuesday \u2014 November 2018: Vulnerability disclosures and Snort coverage", "bulletinFamily": "blog", "cvss2": {}, "cvelist": ["CVE-2018-8256", "CVE-2018-8407", "CVE-2018-8408", "CVE-2018-8415", "CVE-2018-8416", "CVE-2018-8417", "CVE-2018-8450", "CVE-2018-8471", "CVE-2018-8476", "CVE-2018-8485", "CVE-2018-8522", "CVE-2018-8524", "CVE-2018-8539", "CVE-2018-8541", "CVE-2018-8542", "CVE-2018-8543", "CVE-2018-8544", "CVE-2018-8545", "CVE-2018-8546", "CVE-2018-8547", "CVE-2018-8549", "CVE-2018-8550", "CVE-2018-8551", "CVE-2018-8552", "CVE-2018-8553", "CVE-2018-8554", "CVE-2018-8555", "CVE-2018-8556", "CVE-2018-8557", "CVE-2018-8558", "CVE-2018-8561", "CVE-2018-8562", "CVE-2018-8563", "CVE-2018-8564", "CVE-2018-8565", "CVE-2018-8566", "CVE-2018-8567", "CVE-2018-8568", "CVE-2018-8570", "CVE-2018-8572", "CVE-2018-8573", "CVE-2018-8574", "CVE-2018-8575", "CVE-2018-8576", "CVE-2018-8577", "CVE-2018-8578", "CVE-2018-8579", "CVE-2018-8581", "CVE-2018-8582", "CVE-2018-8584", "CVE-2018-8588", "CVE-2018-8589", "CVE-2018-8592"], "modified": "2018-12-13T19:22:25", "id": "TALOSBLOG:888E52F54CE3D9839D4EF47A5A2C49D8", "href": "http://feedproxy.google.com/~r/feedburner/Talos/~3/Jiyuq1xupwg/microsoft-patch-tuesday-october-2018_13.html", "cvss": {"score": 10.0, "vector": "AV:NETWORK/AC:LOW/Au:NONE/C:COMPLETE/I:COMPLETE/A:COMPLETE/"}}]}
Microsoft Edge Information Disclosure Vulnerability
