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{"id": "MS:CVE-2018-8469", "bulletinFamily": "microsoft", "title": "Microsoft Edge Elevation of Privilege Vulnerability", "description": "An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox.\n\nThe vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running.\n\nThe security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing.\n", "published": "2018-09-11T07:00:00", "modified": "2018-09-11T07:00:00", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}, "cvss2": {"cvssV2": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/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": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 4.0}, "href": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2018-8469", "reporter": "Microsoft", "references": [], "cvelist": ["CVE-2018-8469"], "immutableFields": [], "type": "mscve", "lastseen": "2022-10-26T18:28:14", "edition": 1, "viewCount": 5, "enchantments": {"backreferences": {"references": [{"idList": ["CISA:574A6E25827684C587359C37EF1D5132"], "type": "cisa"}, {"idList": ["TALOSBLOG:116422E24074F675755331EBA739BEB9"], "type": "talosblog"}, {"idList": ["CVE-2018-8469"], "type": "cve"}, {"idList": ["CPAI-2018-1069"], "type": "checkpoint_advisories"}, {"idList": ["SMNTC-105263"], "type": "symantec"}, {"idList": ["KLA11318"], "type": "kaspersky"}, {"idList": ["THREATPOST:2C2827FBF9D900F4194802CE8C471B4C"], "type": "threatpost"}, {"idList": ["KB4343897"], "type": "mskb"}, {"idList": ["SMB_NT_MS18_SEP_4457128.NASL"], "type": "nessus"}, {"idList": ["OPENVAS:1361412562310814012", "OPENVAS:1361412562310814215", "OPENVAS:1361412562310814013", "OPENVAS:1361412562310814011", "OPENVAS:1361412562310814014"], "type": "openvas"}, {"idList": ["1337DAY-ID-31212"], "type": "zdt"}]}, "dependencies": {"references": [{"idList": ["CVE-2018-8463", "CVE-2018-8469"], "type": "cve"}, {"idList": ["TALOSBLOG:116422E24074F675755331EBA739BEB9"], "type": "talosblog"}, {"idList": ["CPAI-2018-1069"], "type": "checkpoint_advisories"}, {"idList": ["SMNTC-105263"], "type": "symantec"}, {"idList": ["SMB_NT_MS18_SEP_4457138.NASL", "SMB_NT_MS18_SEP_4457132.NASL", "SMB_NT_MS18_SEP_4457131.NASL", "SMB_NT_MS18_SEP_4457142.NASL", "SMB_NT_MS18_SEP_4457128.NASL"], "type": "nessus"}, {"idList": ["KLA11318"], "type": "kaspersky"}, {"idList": ["OPENVAS:1361412562310814012", "OPENVAS:1361412562310814215", "OPENVAS:1361412562310814013", "OPENVAS:1361412562310814011", "OPENVAS:1361412562310814014"], "type": "openvas"}, {"idList": ["1337DAY-ID-31212"], "type": "zdt"}]}, "exploitation": null, "score": {"value": 3.4, "vector": "NONE"}, "vulnersScore": 3.4}, "_state": {"dependencies": 1666809388, "score": 1666809538}, "_internal": {"score_hash": "e7d40aecbc00192bc9aeb84dfd8d6763"}, "kbList": ["KB4343887", "KB4457132", "KB4343909", "KB4343892", "KB4457128", "KB4457138", "KB4343885", "KB4457142", "KB4343897", "KB4457131"], "msrc": "", "mscve": "CVE-2018-8469", "msAffectedSoftware": [{"kb": "KB4457131", "kbSupersedence": "KB4343887", "msplatform": "Windows Server 2016", "name": "microsoft edge (edgehtml-based)", "operator": "lt", "version": "2018-Sep"}, {"kb": "KB4457138", "kbSupersedence": "KB4343885", "msplatform": "Windows 10 Version 1703 for 32-bit Systems", "name": "microsoft edge (edgehtml-based)", "operator": "lt", "version": "2018-Sep"}, {"kb": "KB4457142", "kbSupersedence": "KB4343897", "msplatform": "Windows 10 Version 1709 for 32-bit Systems", "name": "microsoft edge (edgehtml-based)", "operator": "lt", "version": "2018-Sep"}, {"kb": "KB4457131", "kbSupersedence": "KB4343887", "msplatform": "Windows 10 Version 1607 for x64-based Systems", "name": "microsoft edge (edgehtml-based)", "operator": "lt", "version": "2018-Sep"}, {"kb": "KB4457138", "kbSupersedence": "KB4343885", "msplatform": "Windows 10 Version 1703 for x64-based Systems", "name": "microsoft edge (edgehtml-based)", "operator": "lt", "version": "2018-Sep"}, {"kb": "KB4457132", "kbSupersedence": "KB4343892", "msplatform": "Windows 10 for x64-based Systems", "name": "microsoft edge (edgehtml-based)", "operator": "lt", "version": "2018-Sep"}, {"kb": "KB4457131", "kbSupersedence": "KB4343887", "msplatform": "Windows 10 Version 1607 for 32-bit Systems", "name": "microsoft edge (edgehtml-based)", "operator": "lt", "version": "2018-Sep"}, {"kb": "KB4457128", "kbSupersedence": "KB4343909", "msplatform": "Windows 10 Version 1803 for x64-based Systems", "name": "microsoft edge (edgehtml-based)", "operator": "lt", "version": "2018-Sep"}, {"kb": "KB4457128", "kbSupersedence": "KB4343909", "msplatform": "Windows 10 Version 1803 for 32-bit Systems", "name": "microsoft edge (edgehtml-based)", "operator": "lt", "version": "2018-Sep"}, {"kb": "KB4457142", "kbSupersedence": "KB4343897", "msplatform": "Windows 10 Version 1709 for x64-based Systems", "name": "microsoft edge (edgehtml-based)", "operator": "lt", "version": "2018-Sep"}, {"kb": "KB4457132", "kbSupersedence": "KB4343892", "msplatform": "Windows 10 for 32-bit Systems", "name": "microsoft edge (edgehtml-based)", "operator": "lt", "version": "2018-Sep"}], "vendorCvss": {"baseScore": "4.3", "temporalScore": "3.9", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C"}}

{"symantec": [{"lastseen": "2018-09-12T00:45:38", "description": "### Description\n\nMicrosoft Edge is prone to a remote privilege-escalation vulnerability. An attacker can exploit this issue to gain elevated privileges.\n\n### Technologies Affected\n\n * Microsoft Edge \n\n### Recommendations\n\n**Block external access at the network boundary, unless external parties require service.** \nFilter access to the affected computer at the network boundary if global access isn't needed. Restricting access to only trusted computers and networks might greatly reduce the likelihood of a successful exploit.\n\n**Run all software as a nonprivileged user with minimal access rights.** \nTo reduce the impact of latent vulnerabilities, always run nonadministrative software as an unprivileged user with minimal access rights.\n\n**Deploy network intrusion detection systems to monitor network traffic for malicious activity.** \nDeploy NIDS to monitor network traffic for signs of anomalous or suspicious activity such as unexplained incoming and outgoing traffic. This may indicate exploit attempts or activity that results from successful exploits.\n\n**Do not follow links provided by unknown or untrusted sources.** \nWeb users should be cautious about following links to sites that are provided by unfamiliar or suspicious sources. Filtering HTML from emails may help remove a possible vector for transmitting malicious links to users.\n\nUpdates are available. Please see the references or vendor advisory for more information.\n", "cvss3": {}, "published": "2018-09-11T00:00:00", "type": "symantec", "title": "Microsoft Edge CVE-2018-8469 Remote Privilege Escalation Vulnerability", "bulletinFamily": "software", "cvss2": {}, "cvelist": ["CVE-2018-8469"], "modified": "2018-09-11T00:00:00", "id": "SMNTC-105263", "href": "https://www.symantec.com/content/symantec/english/en/security-center/vulnerabilities/writeup.html/105263", "cvss": {"score": 0.0, "vector": "NONE"}}], "cve": [{"lastseen": "2022-03-23T18:46:17", "description": "An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser, aka \"Microsoft Edge Elevation of Privilege Vulnerability.\" This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8463.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 4.0}, "published": "2018-09-13T00:29:00", "type": "cve", "title": "CVE-2018-8469", "cwe": ["NVD-CWE-noinfo"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-8463", "CVE-2018-8469"], "modified": "2019-10-03T00:03:00", "cpe": ["cpe:/a:microsoft:edge:-"], "id": "CVE-2018-8469", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-8469", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}, "cpe23": ["cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*"]}, {"lastseen": "2022-03-23T18:46:12", "description": "An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser, aka \"Microsoft Edge Elevation of Privilege Vulnerability.\" This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8469.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.4, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 4.0}, "published": "2018-09-13T00:29:00", "type": "cve", "title": "CVE-2018-8463", "cwe": ["NVD-CWE-noinfo"], "bulletinFamily": "NVD", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-8463", "CVE-2018-8469"], "modified": "2019-10-03T00:03:00", "cpe": ["cpe:/a:microsoft:edge:-"], "id": "CVE-2018-8463", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-8463", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}, "cpe23": ["cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*"]}], "checkpoint_advisories": [{"lastseen": "2021-12-17T11:25:51", "description": "A command execution vulnerability exists in Microsoft Edge . Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary commands on the affected system.", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "baseScore": 7.4, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N", "userInteraction": "REQUIRED", "version": "3.0"}, "impactScore": 4.0}, "published": "2018-10-21T00:00:00", "type": "checkpoint_advisories", "title": "Microsoft Edge Sandbox Escape Command Execution (CVE-2018-8463; CVE-2018-8468; CVE-2018-8469)", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-8463", "CVE-2018-8468", "CVE-2018-8469"], "modified": "2018-11-15T00:00:00", "id": "CPAI-2018-1069", "href": "", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}], "zdt": [{"lastseen": "2021-10-25T08:17:52", "description": "", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "baseScore": 7.4, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N", "userInteraction": "REQUIRED", "version": "3.0"}, "impactScore": 4.0}, "published": "2018-09-29T00:00:00", "type": "zdt", "title": "Microsoft Edge - Sandbox Escape Exploit", "bulletinFamily": "exploit", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-8469", "CVE-2018-8463", "CVE-2018-8468"], "modified": "2018-09-29T00:00:00", "id": "1337DAY-ID-31212", "href": "https://0day.today/exploit/description/31212", "sourceData": "Microsoft Edge - Sandbox Escape Exploit\r\n\r\n1. Content process -> Privileged content process (first_stage.js)\r\nWhen spawning a new Edge content process, its privilege is determined by its URL. This URL check is performed by the LCIEUrlPolicy::GetPICForPrivilegedInternalPage method in eModel.dll. The method calls several another methods to check the URL. One of them EdgeUrlUtils::IsAboutFlagsResUri is vulnerable. Since it only checks the scheme and whether the URL ends with \"/edgehtml.dll/flags.htm\", the following URL which will execute arbitrary JavaScript code will be considered to need to spawn a privileged content process.\r\n \r\nres://apds.dll/redirect.html?target=javascript:alert(1)//edgehtml.dll/flags.htm\r\n \r\nAs a navigation triggered from JavaScript to the \"res\" scheme is not allowed, an additional renderer exploit is required. I used issue 1588 for it.\r\n \r\n2. Privileged content process -> Internet Explorer (second_stage.js)\r\nIn a privileged content process, we can ask to the host to launch IE for some sites for compatibility. The host then redirects the request to the broker after checking whether the domain of the requested URL is in the IE compatibility view list. Since it only checks the domain, an arbitrary scheme like \"file://\" can be given.\r\n \r\nFor this part, a domain in the IE compatibility view list is required to host a samba server. I found that some domains were unregistered, but I just modified the hosts file for testing.\r\n \r\n3. Internet Explorer\r\nIf the given URL has the \"file://\" scheme and it's a folder, IE will just open it using ShellExecuteExW. I managed to create a lnk file that bypasses the folder check and executes an arbitrary file. Please find lnk_bug.cc in the PoC.\r\n \r\n \r\n \r\nTo reproduce the PoC, you will need a remote machine hosting a samba server and a http server. Note that the PoC uses hardcoded offsets for \"Build 17692.rs_prerelease.180609-1317\".\r\n \r\n \r\nProof of Concept:\r\nhttps://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/45502.zip\n\n# 0day.today [2021-10-25] #", "sourceHref": "https://0day.today/exploit/31212", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}], "kaspersky": [{"lastseen": "2021-08-18T11:12:18", "description": "### *Detect date*:\n09/11/2018\n\n### *Severity*:\nCritical\n\n### *Description*:\nMultiple vulnerabilities were found in Microsoft Browsers. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, gain privileges, bypass security restrictions, spoof user interface.\n\n### *Affected products*:\nInternet Explorer 11 \nChakraCore \nInternet Explorer 10 \nInternet Explorer 9 \nMicrosoft Edge (EdgeHTML-based)\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-2018-8466](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8466>) \n[CVE-2018-8315](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8315>) \n[CVE-2018-8459](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8459>) \n[CVE-2018-8367](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8367>) \n[CVE-2018-8354](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8354>) \n[CVE-2018-8452](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8452>) \n[CVE-2018-8456](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8456>) \n[CVE-2018-8465](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8465>) \n[CVE-2018-8467](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8467>) \n[CVE-2018-8469](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8469>) \n[CVE-2018-8366](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8366>) \n[CVE-2018-8470](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8470>) \n[CVE-2018-8464](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8464>) \n[CVE-2018-8447](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8447>) \n[CVE-2018-8425](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8425>) \n[CVE-2018-8457](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8457>) \n[CVE-2018-8463](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8463>) \n[CVE-2018-8461](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8461>) \n[CVE-2018-8391](<https://portal.msrc.microsoft.com/api/security-guidance/en-US/CVE/CVE-2018-8391>) \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-2018-8391](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8391>)7.6Critical \n[CVE-2018-8466](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8466>)7.6Critical \n[CVE-2018-8315](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8315>)4.0Warning \n[CVE-2018-8459](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8459>)7.6Critical \n[CVE-2018-8367](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8367>)7.6Critical \n[CVE-2018-8354](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8354>)7.6Critical \n[CVE-2018-8452](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8452>)4.3Warning \n[CVE-2018-8456](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8456>)7.6Critical \n[CVE-2018-8465](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8465>)7.6Critical \n[CVE-2018-8467](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8467>)7.6Critical \n[CVE-2018-8469](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8469>)4.3Warning \n[CVE-2018-8366](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8366>)2.6Warning \n[CVE-2018-8470](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8470>)4.3Warning \n[CVE-2018-8464](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8464>)9.3Critical \n[CVE-2018-8447](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8447>)7.6Critical \n[CVE-2018-8425](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8425>)4.3Warning \n[CVE-2018-8457](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8457>)7.6Critical \n[CVE-2018-8463](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8463>)4.3Warning \n[CVE-2018-8461](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8461>)7.6Critical\n\n### *KB list*:\n[4457128](<http://support.microsoft.com/kb/4457128>) \n[4457131](<http://support.microsoft.com/kb/4457131>) \n[4457132](<http://support.microsoft.com/kb/4457132>) \n[4457142](<http://support.microsoft.com/kb/4457142>) \n[4457138](<http://support.microsoft.com/kb/4457138>) \n[4457129](<http://support.microsoft.com/kb/4457129>) \n[4457144](<http://support.microsoft.com/kb/4457144>) \n[4457135](<http://support.microsoft.com/kb/4457135>) \n[4457426](<http://support.microsoft.com/kb/4457426>)\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": "2018-09-11T00:00:00", "type": "kaspersky", "title": "KLA11318 Multiple vulnerabilities in Microsoft Browsers", "bulletinFamily": "info", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-8315", "CVE-2018-8354", "CVE-2018-8366", "CVE-2018-8367", "CVE-2018-8391", "CVE-2018-8425", "CVE-2018-8447", "CVE-2018-8452", "CVE-2018-8456", "CVE-2018-8457", "CVE-2018-8459", "CVE-2018-8461", "CVE-2018-8463", "CVE-2018-8464", "CVE-2018-8465", "CVE-2018-8466", "CVE-2018-8467", "CVE-2018-8469", "CVE-2018-8470"], "modified": "2020-07-22T00:00:00", "id": "KLA11318", "href": "https://threats.kaspersky.com/en/vulnerability/KLA11318/", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}], "nessus": [{"lastseen": "2023-01-11T14:49:48", "description": "The remote Windows host is missing security update 4457132.\nIt is, therefore, affected by multiple vulnerabilities :\n\n - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. 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-2018-8457)\n\n - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2018-8424)\n\n - An elevation of privilege vulnerability exists in Windows that allows a sandbox escape. An attacker who successfully exploited the vulnerability could use the sandbox escape to elevate privileges on an affected system. This vulnerability by itself does not allow arbitrary code execution. However, the vulnerability could allow arbitrary code to run if an attacker uses it in combination with another vulnerability, such as a remote code execution vulnerability or another elevation of privilege vulnerability, that can leverage the elevated privileges when code execution is attempted.\n The security update addresses the vulnerability by correcting how Windows parses files. (CVE-2018-8468)\n\n - A remote code execution vulnerability exists when Windows does not properly handle specially crafted image files. An attacker who successfully exploited the vulnerability could execute arbitrary code.\n (CVE-2018-8475)\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-2018-8440)\n\n - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2018-8469)\n\n - An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how the Windows kernel handles objects in memory. (CVE-2018-8442, CVE-2018-8443)\n\n - A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. (CVE-2018-8439)\n\n - An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles registry objects in memory. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly handles objects in memory.\n (CVE-2018-8410)\n\n - An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. (CVE-2018-8462)\n\n - An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. (CVE-2018-8446)\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-2018-8367, CVE-2018-8466, CVE-2018-8467)\n\n - A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. (CVE-2018-8438)\n\n - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2018-8434)\n\n - A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded fonts. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2018-8332)\n\n - An information disclosure vulnerability exists when the browser scripting engine improperly handle object types.\n An attacker who has successfully exploited this vulnerability might be able to read privileged data across trust boundaries. In browsing scenarios, an attacker could convince a user to visit a malicious site and leverage the vulnerability to obtain privileged information from the browser process, such as sensitive data from other opened tabs. An attacker could also inject malicious code into advertising networks used by trusted sites or embed malicious code on a compromised, but trusted, site. The security update addresses the vulnerability by correcting how the browser scripting engine handles object types. (CVE-2018-8315)\n\n - A buffer overflow vulnerability exists in the Microsoft JET Database Engine that could allow remote code execution on an affected system. An attacker who successfully exploited this vulnerability could take 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. (CVE-2018-8392, CVE-2018-8393)\n\n - A denial of service vulnerability exists in the Microsoft Server Block Message (SMB) when an attacker sends specially crafted requests to the server. An attacker who exploited this vulnerability could cause the affected system to crash. To attempt to exploit this issue, an attacker would need to send specially crafted SMB requests to the target system. Note that the denial of service vulnerability would not allow an attacker to execute code or to elevate their user rights, but it could cause the affected system to stop accepting requests. The security update addresses the vulnerability by correcting the manner in which SMB handles specially crafted client requests.\n (CVE-2018-8335)\n\n - An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 2.0 (SMBv2) server handles certain requests. An attacker who successfully exploited this vulnerability could craft a special packet, which could lead to information disclosure from the server. (CVE-2018-8444)\n\n - A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory.\n 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-2018-8447)\n\n - An information disclosure vulnerability exists in Windows when the Windows bowser.sys kernel-mode driver fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could potentially disclose contents of System memory.\n (CVE-2018-8271)\n\n - An information disclosure vulnerability exists when the Windows kernel fails to properly initialize a memory address. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. (CVE-2018-8419)\n\n - An remote code execution vulnerability exists when Microsoft Edge PDF Reader improperly handles objects in memory. The vulnerability could corrupt memory in such a way that enables an attacker to 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. If the current user is logged on with administrative user rights, an attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2018-8464)\n\n - A remote code execution vulnerability exists when Microsoft .NET Framework processes input. An attacker who successfully exploited this vulnerability could take control of an affected system. (CVE-2018-8421)\n\n - A remote code execution vulnerability exists when the Microsoft XML Core Services MSXML parser processes user input. An attacker who successfully exploited the vulnerability could run malicious code remotely to take control of the users system. (CVE-2018-8420)\n\n - An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Microsoft browsers. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system.\n (CVE-2018-8452)\n\n - A security feature bypass exists when Device Guard incorrectly validates an untrusted file. An attacker who successfully exploited this vulnerability could make an unsigned file appear to be signed. Because Device Guard relies on the signature to determine the file is non- malicious, Device Guard could then allow a malicious file to execute. In an attack scenario, an attacker could make an untrusted file appear to be a trusted file. The update addresses the vulnerability by correcting how Device Guard handles untrusted files.\n (CVE-2018-8449)\n\n - An information disclosure vulnerability exists when the Windows Graphics component improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how the Windows Graphics Component handles objects in memory. (CVE-2018-8433)\n\n - A security feature bypass vulnerability exists when Windows Hyper-V BIOS loader fails to provide a high- entropy source. (CVE-2018-8435)\n\n - A remote code execution vulnerability exists in the way that the 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-2018-8354)\n\n - A security feature bypass vulnerability exists in Internet Explorer due to how scripts are handled that allows a universal cross-site scripting (UXSS) condition. An attacker could use the UXSS vulnerability to access any session belonging to web pages currently opened (or cached) by the browser at the time the attack is triggered. (CVE-2018-8470)\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-2018-8425)", "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": "2018-09-11T00:00:00", "type": "nessus", "title": "KB4457132: Windows 10 September 2018 Security Update", "bulletinFamily": "scanner", "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, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-8271", "CVE-2018-8315", "CVE-2018-8332", "CVE-2018-8335", "CVE-2018-8354", "CVE-2018-8367", "CVE-2018-8392", "CVE-2018-8393", "CVE-2018-8410", "CVE-2018-8419", "CVE-2018-8420", "CVE-2018-8421", "CVE-2018-8424", "CVE-2018-8425", "CVE-2018-8433", "CVE-2018-8434", "CVE-2018-8435", "CVE-2018-8438", "CVE-2018-8439", "CVE-2018-8440", "CVE-2018-8442", "CVE-2018-8443", "CVE-2018-8444", "CVE-2018-8446", "CVE-2018-8447", "CVE-2018-8449", "CVE-2018-8452", "CVE-2018-8457", "CVE-2018-8462", "CVE-2018-8464", "CVE-2018-8466", "CVE-2018-8467", "CVE-2018-8468", "CVE-2018-8469", "CVE-2018-8470", "CVE-2018-8475"], "modified": "2022-03-29T00:00:00", "cpe": ["cpe:/o:microsoft:windows", "cpe:/a:microsoft:edge"], "id": "SMB_NT_MS18_SEP_4457132.NASL", "href": "https://www.tenable.com/plugins/nessus/117414", "sourceData": "#%NASL_MIN_LEVEL 70300\n#\n# (C) Tenable Network Security, Inc.\n#\n# The descriptive text and package checks in this plugin were \n# extracted from the Microsoft Security Updates API. The text\n# itself is copyright (C) Microsoft Corporation.\n#\n\ninclude('deprecated_nasl_level.inc');\ninclude('compat.inc');\n\nif (description)\n{\n script_id(117414);\n script_version(\"1.14\");\n script_set_attribute(attribute:\"plugin_modification_date\", value:\"2022/03/29\");\n\n script_cve_id(\n \"CVE-2018-8271\",\n \"CVE-2018-8315\",\n \"CVE-2018-8332\",\n \"CVE-2018-8335\",\n \"CVE-2018-8354\",\n \"CVE-2018-8367\",\n \"CVE-2018-8392\",\n \"CVE-2018-8393\",\n \"CVE-2018-8410\",\n \"CVE-2018-8419\",\n \"CVE-2018-8420\",\n \"CVE-2018-8421\",\n \"CVE-2018-8424\",\n \"CVE-2018-8425\",\n \"CVE-2018-8433\",\n \"CVE-2018-8434\",\n \"CVE-2018-8435\",\n \"CVE-2018-8438\",\n \"CVE-2018-8439\",\n \"CVE-2018-8440\",\n \"CVE-2018-8442\",\n \"CVE-2018-8443\",\n \"CVE-2018-8444\",\n \"CVE-2018-8446\",\n \"CVE-2018-8447\",\n \"CVE-2018-8449\",\n \"CVE-2018-8452\",\n \"CVE-2018-8457\",\n \"CVE-2018-8462\",\n \"CVE-2018-8464\",\n \"CVE-2018-8466\",\n \"CVE-2018-8467\",\n \"CVE-2018-8468\",\n \"CVE-2018-8469\",\n \"CVE-2018-8470\",\n \"CVE-2018-8475\"\n );\n script_xref(name:\"MSKB\", value:\"4457132\");\n script_xref(name:\"MSFT\", value:\"MS18-4457132\");\n script_xref(name:\"CISA-KNOWN-EXPLOITED\", value:\"2022/04/18\");\n\n script_name(english:\"KB4457132: Windows 10 September 2018 Security Update\");\n\n script_set_attribute(attribute:\"synopsis\", value:\n\"The remote Windows host is affected by multiple vulnerabilities.\");\n script_set_attribute(attribute:\"description\", value:\n\"The remote Windows host is missing security update 4457132.\nIt is, therefore, affected by multiple vulnerabilities :\n\n - A remote code execution vulnerability exists in the way\n the scripting engine handles objects in memory in\n Microsoft browsers. The vulnerability could corrupt\n memory in such a way that an attacker could execute\n arbitrary code in the context of the current user. An\n attacker who successfully exploited the vulnerability\n could gain the same user rights as the current user.\n (CVE-2018-8457)\n\n - An information disclosure vulnerability exists when the\n Windows GDI component improperly discloses the contents\n of its memory. An attacker who successfully exploited\n the vulnerability could obtain information to further\n compromise the users system. There are multiple ways an\n attacker could exploit the vulnerability, such as by\n convincing a user to open a specially crafted document,\n or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by\n correcting how the Windows GDI component handles objects\n in memory. (CVE-2018-8424)\n\n - An elevation of privilege vulnerability exists in\n Windows that allows a sandbox escape. An attacker who\n successfully exploited the vulnerability could use the\n sandbox escape to elevate privileges on an affected\n system. This vulnerability by itself does not allow\n arbitrary code execution. However, the vulnerability\n could allow arbitrary code to run if an attacker uses it\n in combination with another vulnerability, such as a\n remote code execution vulnerability or another elevation\n of privilege vulnerability, that can leverage the\n elevated privileges when code execution is attempted.\n The security update addresses the vulnerability by\n correcting how Windows parses files. (CVE-2018-8468)\n\n - A remote code execution vulnerability exists when\n Windows does not properly handle specially crafted image\n files. An attacker who successfully exploited the\n vulnerability could execute arbitrary code.\n (CVE-2018-8475)\n\n - An elevation of privilege vulnerability exists when\n Windows improperly handles calls to Advanced Local\n Procedure Call (ALPC). An attacker who successfully\n exploited this vulnerability could run arbitrary code in\n the security context of the local system. An attacker\n could then install programs; view, change, or delete\n data; or create new accounts with full user rights.\n (CVE-2018-8440)\n\n - An elevation of privilege vulnerability exists in\n Microsoft Edge that could allow an attacker to escape\n from the AppContainer sandbox in the browser. An\n attacker who successfully exploited this vulnerability\n could gain elevated privileges and break out of the Edge\n AppContainer sandbox. The vulnerability by itself does\n not allow arbitrary code to run. However, this\n vulnerability could be used in conjunction with one or\n more vulnerabilities (for example a remote code\n execution vulnerability and another elevation of\n privilege vulnerability) to take advantage of the\n elevated privileges when running. 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(CVE-2018-8434)\n\n - A remote code execution vulnerability exists when the\n Windows font library improperly handles specially\n crafted embedded fonts. An attacker who successfully\n exploited this vulnerability could take control of the\n affected system. An attacker could then install\n programs; view, change, or delete data; or create new\n accounts with full user rights. (CVE-2018-8332)\n\n - An information disclosure vulnerability exists when the\n browser scripting engine improperly handle object types.\n An attacker who has successfully exploited this\n vulnerability might be able to read privileged data\n across trust boundaries. In browsing scenarios, an\n attacker could convince a user to visit a malicious site\n and leverage the vulnerability to obtain privileged\n information from the browser process, such as sensitive\n data from other opened tabs. An attacker could also\n inject malicious code into advertising networks used by\n trusted sites or embed malicious code on a compromised,\n but trusted, site. The security update addresses the\n vulnerability by correcting how the browser scripting\n engine handles object types. (CVE-2018-8315)\n\n - A buffer overflow vulnerability exists in the Microsoft\n JET Database Engine that could allow remote code\n execution on an affected system. An attacker who\n successfully exploited this vulnerability could take\n control of an affected system. An attacker could then\n install programs; view, change, or delete data; or\n create new accounts with full user rights. Users whose\n accounts are configured to have fewer user rights on the\n system could be less impacted than users who operate\n with administrative user rights. (CVE-2018-8392,\n CVE-2018-8393)\n\n - A denial of service vulnerability exists in the\n Microsoft Server Block Message (SMB) when an attacker\n sends specially crafted requests to the server. An\n attacker who exploited this vulnerability could cause\n the affected system to crash. To attempt to exploit this\n issue, an attacker would need to send specially crafted\n SMB requests to the target system. Note that the denial\n of service vulnerability would not allow an attacker to\n execute code or to elevate their user rights, but it\n could cause the affected system to stop accepting\n requests. The security update addresses the\n vulnerability by correcting the manner in which SMB\n handles specially crafted client requests.\n (CVE-2018-8335)\n\n - An information disclosure vulnerability exists in the\n way that the Microsoft Server Message Block 2.0 (SMBv2)\n server handles certain requests. An attacker who\n successfully exploited this vulnerability could craft a\n special packet, which could lead to information\n disclosure from the server. (CVE-2018-8444)\n\n - A remote code execution vulnerability exists when\n Internet Explorer improperly accesses objects in memory.\n The vulnerability could corrupt memory in such a way\n that an attacker could execute arbitrary code in the\n context of the current user. An attacker who\n successfully exploited the vulnerability could gain the\n same user rights as the current user. (CVE-2018-8447)\n\n - An information disclosure vulnerability exists in\n Windows when the Windows bowser.sys kernel-mode driver\n fails to properly handle objects in memory. An attacker\n who successfully exploited the vulnerability could\n potentially disclose contents of System memory.\n (CVE-2018-8271)\n\n - An information disclosure vulnerability exists when the\n Windows kernel fails to properly initialize a memory\n address. An attacker who successfully exploited this\n vulnerability could obtain information to further\n compromise the users system. (CVE-2018-8419)\n\n - An remote code execution vulnerability exists when\n Microsoft Edge PDF Reader improperly handles objects in\n memory. The vulnerability could corrupt memory in such a\n way that enables an attacker to execute arbitrary code\n in the context of the current user. An attacker who\n successfully exploited the vulnerability could gain the\n same user rights as the current user. If the current\n user is logged on with administrative user rights, an\n attacker could take control of an affected system. An\n attacker could then install programs; view, change, or\n delete data; or create new accounts with full user\n rights. (CVE-2018-8464)\n\n - A remote code execution vulnerability exists when\n Microsoft .NET Framework processes input. An attacker\n who successfully exploited this vulnerability could take\n control of an affected system. (CVE-2018-8421)\n\n - A remote code execution vulnerability exists when the\n Microsoft XML Core Services MSXML parser processes user\n input. An attacker who successfully exploited the\n vulnerability could run malicious code remotely to take\n control of the users system. (CVE-2018-8420)\n\n - An information disclosure vulnerability exists when the\n scripting engine does not properly handle objects in\n memory in Microsoft browsers. An attacker who\n successfully exploited the vulnerability could obtain\n information to further compromise the users system.\n (CVE-2018-8452)\n\n - A security feature bypass exists when Device Guard\n incorrectly validates an untrusted file. An attacker who\n successfully exploited this vulnerability could make an\n unsigned file appear to be signed. Because Device Guard\n relies on the signature to determine the file is non-\n malicious, Device Guard could then allow a malicious\n file to execute. 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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-2018-8457)\n\n - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2018-8424)\n\n - An elevation of privilege vulnerability exists in Windows that allows a sandbox escape. An attacker who successfully exploited the vulnerability could use the sandbox escape to elevate privileges on an affected system. This vulnerability by itself does not allow arbitrary code execution. However, the vulnerability could allow arbitrary code to run if an attacker uses it in combination with another vulnerability, such as a remote code execution vulnerability or another elevation of privilege vulnerability, that can leverage the elevated privileges when code execution is attempted.\n The security update addresses the vulnerability by correcting how Windows parses files. (CVE-2018-8468)\n\n - A remote code execution vulnerability exists when Windows does not properly handle specially crafted image files. An attacker who successfully exploited the vulnerability could execute arbitrary code.\n (CVE-2018-8475)\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-2018-8440)\n\n - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2018-8469)\n\n - An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how the Windows kernel handles objects in memory. (CVE-2018-8442, CVE-2018-8443)\n\n - An information disclosure vulnerability exists when the Windows kernel fails to properly initialize a memory address. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. (CVE-2018-8419)\n\n - An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles registry objects in memory. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly handles objects in memory.\n (CVE-2018-8410)\n\n - An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. (CVE-2018-8462)\n\n - An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. (CVE-2018-8446)\n\n - A remote code execution vulnerability exists when the Microsoft XML Core Services MSXML parser processes user input. An attacker who successfully exploited the vulnerability could run malicious code remotely to take control of the users system. (CVE-2018-8420)\n\n - A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. (CVE-2018-8438)\n\n - A remote code execution vulnerability exists in the way that the ChakraCore scripting 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-2018-8456)\n\n - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2018-8434)\n\n - A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded fonts. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2018-8332)\n\n - An information disclosure vulnerability exists when the browser scripting engine improperly handle object types.\n An attacker who has successfully exploited this vulnerability might be able to read privileged data across trust boundaries. In browsing scenarios, an attacker could convince a user to visit a malicious site and leverage the vulnerability to obtain privileged information from the browser process, such as sensitive data from other opened tabs. An attacker could also inject malicious code into advertising networks used by trusted sites or embed malicious code on a compromised, but trusted, site. The security update addresses the vulnerability by correcting how the browser scripting engine handles object types. (CVE-2018-8315)\n\n - A buffer overflow vulnerability exists in the Microsoft JET Database Engine that could allow remote code execution on an affected system. An attacker who successfully exploited this vulnerability could take 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. (CVE-2018-8392, CVE-2018-8393)\n\n - A denial of service vulnerability exists in the Microsoft Server Block Message (SMB) when an attacker sends specially crafted requests to the server. An attacker who exploited this vulnerability could cause the affected system to crash. To attempt to exploit this issue, an attacker would need to send specially crafted SMB requests to the target system. Note that the denial of service vulnerability would not allow an attacker to execute code or to elevate their user rights, but it could cause the affected system to stop accepting requests. The security update addresses the vulnerability by correcting the manner in which SMB handles specially crafted client requests.\n (CVE-2018-8335)\n\n - An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory.\n An attacker who successfully exploited the vulnerability could execute code with elevated permissions.\n (CVE-2018-8455)\n\n - A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory.\n 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-2018-8447)\n\n - An information disclosure vulnerability exists in Windows when the Windows bowser.sys kernel-mode driver fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could potentially disclose contents of System memory.\n (CVE-2018-8271)\n\n - An remote code execution vulnerability exists when Microsoft Edge PDF Reader improperly handles objects in memory. The vulnerability could corrupt memory in such a way that enables an attacker to 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. If the current user is logged on with administrative user rights, an attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2018-8464)\n\n - A remote code execution vulnerability exists when Microsoft .NET Framework processes input. An attacker who successfully exploited this vulnerability could take control of an affected system. (CVE-2018-8421)\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-2018-8367, CVE-2018-8465, CVE-2018-8466, CVE-2018-8467)\n\n - An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Microsoft browsers. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system.\n (CVE-2018-8452)\n\n - A security feature bypass exists when Device Guard incorrectly validates an untrusted file. An attacker who successfully exploited this vulnerability could make an unsigned file appear to be signed. Because Device Guard relies on the signature to determine the file is non- malicious, Device Guard could then allow a malicious file to execute. In an attack scenario, an attacker could make an untrusted file appear to be a trusted file. The update addresses the vulnerability by correcting how Device Guard handles untrusted files.\n (CVE-2018-8449)\n\n - An information disclosure vulnerability exists when the Windows Graphics component improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how the Windows Graphics Component handles objects in memory. (CVE-2018-8433)\n\n - A security feature bypass vulnerability exists when Windows Hyper-V BIOS loader fails to provide a high- entropy source. (CVE-2018-8435)\n\n - A remote code execution vulnerability exists in the way that the 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-2018-8354)\n\n - A security feature bypass vulnerability exists in Internet Explorer due to how scripts are handled that allows a universal cross-site scripting (UXSS) condition. An attacker could use the UXSS vulnerability to access any session belonging to web pages currently opened (or cached) by the browser at the time the attack is triggered. (CVE-2018-8470)\n\n - A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. (CVE-2018-0965, CVE-2018-8439)\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. 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The vulnerability could corrupt\n memory in such a way that an attacker could execute\n arbitrary code in the context of the current user. An\n attacker who successfully exploited the vulnerability\n could gain the same user rights as the current user.\n (CVE-2018-8457)\n\n - An information disclosure vulnerability exists when the\n Windows GDI component improperly discloses the contents\n of its memory. An attacker who successfully exploited\n the vulnerability could obtain information to further\n compromise the users system. There are multiple ways an\n attacker could exploit the vulnerability, such as by\n convincing a user to open a specially crafted document,\n or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by\n correcting how the Windows GDI component handles objects\n in memory. (CVE-2018-8424)\n\n - An elevation of privilege vulnerability exists in\n Windows that allows a sandbox escape. 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In browsing scenarios, an\n attacker could convince a user to visit a malicious site\n and leverage the vulnerability to obtain privileged\n information from the browser process, such as sensitive\n data from other opened tabs. An attacker could also\n inject malicious code into advertising networks used by\n trusted sites or embed malicious code on a compromised,\n but trusted, site. The security update addresses the\n vulnerability by correcting how the browser scripting\n engine handles object types. (CVE-2018-8315)\n\n - A buffer overflow vulnerability exists in the Microsoft\n JET Database Engine that could allow remote code\n execution on an affected system. An attacker who\n successfully exploited this vulnerability could take\n control of an affected system. An attacker could then\n install programs; view, change, or delete data; or\n create new accounts with full user rights. 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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-2018-8457)\n\n - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2018-8424)\n\n - An elevation of privilege vulnerability exists in Windows that allows a sandbox escape. An attacker who successfully exploited the vulnerability could use the sandbox escape to elevate privileges on an affected system. This vulnerability by itself does not allow arbitrary code execution. However, the vulnerability could allow arbitrary code to run if an attacker uses it in combination with another vulnerability, such as a remote code execution vulnerability or another elevation of privilege vulnerability, that can leverage the elevated privileges when code execution is attempted.\n The security update addresses the vulnerability by correcting how Windows parses files. (CVE-2018-8468)\n\n - A remote code execution vulnerability exists when Windows does not properly handle specially crafted image files. An attacker who successfully exploited the vulnerability could execute arbitrary code.\n (CVE-2018-8475)\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-2018-8440)\n\n - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2018-8469)\n\n - An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how the Windows kernel handles objects in memory. (CVE-2018-8442, CVE-2018-8443)\n\n - A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. (CVE-2018-8439)\n\n - An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles registry objects in memory. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly handles objects in memory.\n (CVE-2018-8410)\n\n - An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. (CVE-2018-8462)\n\n - An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. (CVE-2018-8446)\n\n - A remote code execution vulnerability exists when the Microsoft XML Core Services MSXML parser processes user input. An attacker who successfully exploited the vulnerability could run malicious code remotely to take control of the users system. (CVE-2018-8420)\n\n - A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. (CVE-2018-8438)\n\n - A remote code execution vulnerability exists in the way that the ChakraCore scripting 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-2018-8456)\n\n - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2018-8434)\n\n - A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded fonts. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2018-8332)\n\n - An information disclosure vulnerability exists when the browser scripting engine improperly handle object types.\n An attacker who has successfully exploited this vulnerability might be able to read privileged data across trust boundaries. In browsing scenarios, an attacker could convince a user to visit a malicious site and leverage the vulnerability to obtain privileged information from the browser process, such as sensitive data from other opened tabs. An attacker could also inject malicious code into advertising networks used by trusted sites or embed malicious code on a compromised, but trusted, site. The security update addresses the vulnerability by correcting how the browser scripting engine handles object types. (CVE-2018-8315)\n\n - A security feature bypass vulnerability exists when Windows Subsystem for Linux improperly handles case sensitivity. An attacker who successfully exploited this vulnerability could replace or delete arbitrary files as a low privilege user. A attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how Windows Subsystem for Linux handles case sensitivity. (CVE-2018-8337)\n\n - A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory.\n 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-2018-8447, CVE-2018-8461)\n\n - A buffer overflow vulnerability exists in the Microsoft JET Database Engine that could allow remote code execution on an affected system. An attacker who successfully exploited this vulnerability could take 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. (CVE-2018-8392, CVE-2018-8393)\n\n - A denial of service vulnerability exists in the Microsoft Server Block Message (SMB) when an attacker sends specially crafted requests to the server. An attacker who exploited this vulnerability could cause the affected system to crash. To attempt to exploit this issue, an attacker would need to send specially crafted SMB requests to the target system. Note that the denial of service vulnerability would not allow an attacker to execute code or to elevate their user rights, but it could cause the affected system to stop accepting requests. The security update addresses the vulnerability by correcting the manner in which SMB handles specially crafted client requests.\n (CVE-2018-8335)\n\n - An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory.\n An attacker who successfully exploited the vulnerability could execute code with elevated permissions.\n (CVE-2018-8455)\n\n - An information disclosure vulnerability exists in Windows when the Windows bowser.sys kernel-mode driver fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could potentially disclose contents of System memory.\n (CVE-2018-8271)\n\n - An remote code execution vulnerability exists when Microsoft Edge PDF Reader improperly handles objects in memory. The vulnerability could corrupt memory in such a way that enables an attacker to 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. If the current user is logged on with administrative user rights, an attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2018-8464)\n\n - A remote code execution vulnerability exists when Microsoft .NET Framework processes input. An attacker who successfully exploited this vulnerability could take control of an affected system. (CVE-2018-8421)\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-2018-8367, CVE-2018-8465, CVE-2018-8466, CVE-2018-8467)\n\n - An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Microsoft browsers. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system.\n (CVE-2018-8452)\n\n - A security feature bypass exists when Device Guard incorrectly validates an untrusted file. An attacker who successfully exploited this vulnerability could make an unsigned file appear to be signed. Because Device Guard relies on the signature to determine the file is non- malicious, Device Guard could then allow a malicious file to execute. In an attack scenario, an attacker could make an untrusted file appear to be a trusted file. The update addresses the vulnerability by correcting how Device Guard handles untrusted files.\n (CVE-2018-8449)\n\n - An information disclosure vulnerability exists when the Windows Graphics component improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how the Windows Graphics Component handles objects in memory. (CVE-2018-8433)\n\n - A security feature bypass vulnerability exists when Windows Hyper-V BIOS loader fails to provide a high- entropy source. (CVE-2018-8435)\n\n - A remote code execution vulnerability exists in the way that the 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-2018-8354)\n\n - A security feature bypass vulnerability exists in Internet Explorer due to how scripts are handled that allows a universal cross-site scripting (UXSS) condition. An attacker could use the UXSS vulnerability to access any session belonging to web pages currently opened (or cached) by the browser at the time the attack is triggered. (CVE-2018-8470)\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. 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The vulnerability could corrupt\n memory in such a way that an attacker could execute\n arbitrary code in the context of the current user. An\n attacker who successfully exploited the vulnerability\n could gain the same user rights as the current user.\n (CVE-2018-8457)\n\n - An information disclosure vulnerability exists when the\n Windows GDI component improperly discloses the contents\n of its memory. An attacker who successfully exploited\n the vulnerability could obtain information to further\n compromise the users system. There are multiple ways an\n attacker could exploit the vulnerability, such as by\n convincing a user to open a specially crafted document,\n or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by\n correcting how the Windows GDI component handles objects\n in memory. (CVE-2018-8424)\n\n - An elevation of privilege vulnerability exists in\n Windows that allows a sandbox escape. An attacker who\n successfully exploited the vulnerability could use the\n sandbox escape to elevate privileges on an affected\n system. This vulnerability by itself does not allow\n arbitrary code execution. However, the vulnerability\n could allow arbitrary code to run if an attacker uses it\n in combination with another vulnerability, such as a\n remote code execution vulnerability or another elevation\n of privilege vulnerability, that can leverage the\n elevated privileges when code execution is attempted.\n The security update addresses the vulnerability by\n correcting how Windows parses files. (CVE-2018-8468)\n\n - A remote code execution vulnerability exists when\n Windows does not properly handle specially crafted image\n files. An attacker who successfully exploited the\n vulnerability could execute arbitrary code.\n (CVE-2018-8475)\n\n - An elevation of privilege vulnerability exists when\n Windows improperly handles calls to Advanced Local\n Procedure Call (ALPC). An attacker who successfully\n exploited this vulnerability could run arbitrary code in\n the security context of the local system. An attacker\n could then install programs; view, change, or delete\n data; or create new accounts with full user rights.\n (CVE-2018-8440)\n\n - An elevation of privilege vulnerability exists in\n Microsoft Edge that could allow an attacker to escape\n from the AppContainer sandbox in the browser. An\n attacker who successfully exploited this vulnerability\n could gain elevated privileges and break out of the Edge\n AppContainer sandbox. The vulnerability by itself does\n not allow arbitrary code to run. However, this\n vulnerability could be used in conjunction with one or\n more vulnerabilities (for example a remote code\n execution vulnerability and another elevation of\n privilege vulnerability) to take advantage of the\n elevated privileges when running. The security update\n addresses the vulnerability by modifying how Microsoft\n Edge handles sandboxing. (CVE-2018-8469)\n\n - An information disclosure vulnerability exists when the\n Windows kernel improperly handles objects in memory. An\n attacker who successfully exploited this vulnerability\n could obtain information to further compromise the users\n system. An authenticated attacker could exploit this\n vulnerability by running a specially crafted\n application. The update addresses the vulnerability by\n correcting how the Windows kernel handles objects in\n memory. (CVE-2018-8442, CVE-2018-8443)\n\n - A remote code execution vulnerability exists when\n Windows Hyper-V on a host server fails to properly\n validate input from an authenticated user on a guest\n operating system. (CVE-2018-8439)\n\n - An elevation of privilege vulnerability exists when the\n Windows Kernel API improperly handles registry objects\n in memory. An attacker who successfully exploited the\n vulnerability could gain elevated privileges on a\n targeted system. A locally authenticated attacker could\n exploit this vulnerability by running a specially\n crafted application. The security update addresses the\n vulnerability by helping to ensure that the Windows\n Kernel API properly handles objects in memory.\n (CVE-2018-8410)\n\n - An elevation of privilege vulnerability exists when the\n DirectX Graphics Kernel (DXGKRNL) driver improperly\n handles objects in memory. An attacker who successfully\n exploited this vulnerability could run processes in an\n elevated context. (CVE-2018-8462)\n\n - An information disclosure vulnerability exists when the\n Windows kernel improperly handles objects in memory. An\n attacker who successfully exploited this vulnerability\n could obtain information to further compromise the users\n system. (CVE-2018-8446)\n\n - A remote code execution vulnerability exists when the\n Microsoft XML Core Services MSXML parser processes user\n input. An attacker who successfully exploited the\n vulnerability could run malicious code remotely to take\n control of the users system. (CVE-2018-8420)\n\n - A denial of service vulnerability exists when Microsoft\n Hyper-V Network Switch on a host server fails to\n properly validate input from a privileged user on a\n guest operating system. An attacker who successfully\n exploited the vulnerability could cause the host server\n to crash. (CVE-2018-8438)\n\n - A remote code execution vulnerability exists in the way\n that the ChakraCore scripting engine handles objects in\n memory. The vulnerability could corrupt memory in such a\n way that an attacker could execute arbitrary code in the\n context of the current user. An attacker who\n successfully exploited the vulnerability could gain the\n same user rights as the current user. (CVE-2018-8456)\n\n - An information disclosure vulnerability exists when\n Windows Hyper-V on a host operating system fails to\n properly validate input from an authenticated user on a\n guest operating system. (CVE-2018-8434)\n\n - A remote code execution vulnerability exists when the\n Windows font library improperly handles specially\n crafted embedded fonts. An attacker who successfully\n exploited this vulnerability could take control of the\n affected system. An attacker could then install\n programs; view, change, or delete data; or create new\n accounts with full user rights. (CVE-2018-8332)\n\n - An information disclosure vulnerability exists when the\n browser scripting engine improperly handle object types.\n An attacker who has successfully exploited this\n vulnerability might be able to read privileged data\n across trust boundaries. In browsing scenarios, an\n attacker could convince a user to visit a malicious site\n and leverage the vulnerability to obtain privileged\n information from the browser process, such as sensitive\n data from other opened tabs. An attacker could also\n inject malicious code into advertising networks used by\n trusted sites or embed malicious code on a compromised,\n but trusted, site. The security update addresses the\n vulnerability by correcting how the browser scripting\n engine handles object types. (CVE-2018-8315)\n\n - A security feature bypass vulnerability exists when\n Windows Subsystem for Linux improperly handles case\n sensitivity. An attacker who successfully exploited this\n vulnerability could replace or delete arbitrary files as\n a low privilege user. A attacker could exploit this\n vulnerability by running a specially crafted\n application. The update addresses the vulnerability by\n correcting how Windows Subsystem for Linux handles case\n sensitivity. (CVE-2018-8337)\n\n - A remote code execution vulnerability exists when\n Internet Explorer improperly accesses objects in memory.\n The vulnerability could corrupt memory in such a way\n that an attacker could execute arbitrary code in the\n context of the current user. An attacker who\n successfully exploited the vulnerability could gain the\n same user rights as the current user. (CVE-2018-8447,\n CVE-2018-8461)\n\n - A buffer overflow vulnerability exists in the Microsoft\n JET Database Engine that could allow remote code\n execution on an affected system. An attacker who\n successfully exploited this vulnerability could take\n control of an affected system. An attacker could then\n install programs; view, change, or delete data; or\n create new accounts with full user rights. Users whose\n accounts are configured to have fewer user rights on the\n system could be less impacted than users who operate\n with administrative user rights. (CVE-2018-8392,\n CVE-2018-8393)\n\n - A denial of service vulnerability exists in the\n Microsoft Server Block Message (SMB) when an attacker\n sends specially crafted requests to the server. An\n attacker who exploited this vulnerability could cause\n the affected system to crash. To attempt to exploit this\n issue, an attacker would need to send specially crafted\n SMB requests to the target system. Note that the denial\n of service vulnerability would not allow an attacker to\n execute code or to elevate their user rights, but it\n could cause the affected system to stop accepting\n requests. The security update addresses the\n vulnerability by correcting the manner in which SMB\n handles specially crafted client requests.\n (CVE-2018-8335)\n\n - An elevation of privilege vulnerability exists in the\n way that the Windows Kernel handles objects in memory.\n An attacker who successfully exploited the vulnerability\n could execute code with elevated permissions.\n (CVE-2018-8455)\n\n - An information disclosure vulnerability exists in\n Windows when the Windows bowser.sys kernel-mode driver\n fails to properly handle objects in memory. An attacker\n who successfully exploited the vulnerability could\n potentially disclose contents of System memory.\n (CVE-2018-8271)\n\n - An remote code execution vulnerability exists when\n Microsoft Edge PDF Reader improperly handles objects in\n memory. The vulnerability could corrupt memory in such a\n way that enables an attacker to execute arbitrary code\n in the context of the current user. An attacker who\n successfully exploited the vulnerability could gain the\n same user rights as the current user. If the current\n user is logged on with administrative user rights, an\n attacker could take control of an affected system. An\n attacker could then install programs; view, change, or\n delete data; or create new accounts with full user\n rights. (CVE-2018-8464)\n\n - A remote code execution vulnerability exists when\n Microsoft .NET Framework processes input. An attacker\n who successfully exploited this vulnerability could take\n control of an affected system. (CVE-2018-8421)\n\n - A remote code execution vulnerability exists in the way\n that the Chakra scripting engine handles objects in\n memory in Microsoft Edge. The vulnerability could\n corrupt memory in such a way that an attacker could\n execute arbitrary code in the context of the current\n user. An attacker who successfully exploited the\n vulnerability could gain the same user rights as the\n current user. (CVE-2018-8367, CVE-2018-8465,\n CVE-2018-8466, CVE-2018-8467)\n\n - An information disclosure vulnerability exists when the\n scripting engine does not properly handle objects in\n memory in Microsoft browsers. An attacker who\n successfully exploited the vulnerability could obtain\n information to further compromise the users system.\n (CVE-2018-8452)\n\n - A security feature bypass exists when Device Guard\n incorrectly validates an untrusted file. An attacker who\n successfully exploited this vulnerability could make an\n unsigned file appear to be signed. Because Device Guard\n relies on the signature to determine the file is non-\n malicious, Device Guard could then allow a malicious\n file to execute. In an attack scenario, an attacker\n could make an untrusted file appear to be a trusted\n file. The update addresses the vulnerability by\n correcting how Device Guard handles untrusted files.\n (CVE-2018-8449)\n\n - An information disclosure vulnerability exists when the\n Windows Graphics component improperly handles objects in\n memory. An attacker who successfully exploited this\n vulnerability could obtain information to further\n compromise the users system. An authenticated attacker\n could exploit this vulnerability by running a specially\n crafted application. The update addresses the\n vulnerability by correcting how the Windows Graphics\n Component handles objects in memory. (CVE-2018-8433)\n\n - A security feature bypass vulnerability exists when\n Windows Hyper-V BIOS loader fails to provide a high-\n entropy source. (CVE-2018-8435)\n\n - A remote code execution vulnerability exists in the way\n that the scripting engine handles objects in memory in\n Microsoft Edge. The vulnerability could corrupt memory\n in such a way that an attacker could execute arbitrary\n code in the context of the current user. An attacker who\n successfully exploited the vulnerability could gain the\n same user rights as the current user. (CVE-2018-8354)\n\n - A security feature bypass vulnerability exists in\n Internet Explorer due to how scripts are handled that\n allows a universal cross-site scripting (UXSS)\n condition. An attacker could use the UXSS vulnerability\n to access any session belonging to web pages currently\n opened (or cached) by the browser at the time the attack\n is triggered. (CVE-2018-8470)\n\n - A spoofing vulnerability exists when Microsoft Edge\n improperly handles specific HTML content. An attacker\n who successfully exploited this vulnerability could\n trick a user into believing that the user was on a\n legitimate website. The specially crafted website could\n either spoof content or serve as a pivot to chain an\n attack with other vulnerabilities in web services.\n (CVE-2018-8425)\");\n # https://support.microsoft.com/en-us/help/4457142/windows-10-update-kb4457142\n script_set_attribute(attribute:\"see_also\", value:\"http://www.nessus.org/u?13887e06\");\n script_set_attribute(attribute:\"solution\", value:\n\"Apply Cumulative Update KB4457142.\");\n script_set_cvss_base_vector(\"CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C\");\n script_set_cvss_temporal_vector(\"CVSS2#E:H/RL:OF/RC:C\");\n script_set_cvss3_base_vector(\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\");\n script_set_cvss3_temporal_vector(\"CVSS:3.0/E:H/RL:O/RC:C\");\n script_set_attribute(attribute:\"cvss_score_source\", value:\"CVE-2018-8421\");\n\n script_set_attribute(attribute:\"exploitability_ease\", value:\"Exploits are available\");\n script_set_attribute(attribute:\"exploit_available\", value:\"true\");\n script_set_attribute(attribute:\"exploit_framework_core\", value:\"true\");\n script_set_attribute(attribute:\"exploited_by_malware\", value:\"true\");\n script_set_attribute(attribute:\"metasploit_name\", value:'Microsoft Windows ALPC Task Scheduler Local Privilege Elevation');\n script_set_attribute(attribute:\"exploit_framework_metasploit\", value:\"true\");\n script_set_attribute(attribute:\"exploit_framework_canvas\", value:\"true\");\n script_set_attribute(attribute:\"canvas_package\", value:\"CANVAS\");\n\n script_set_attribute(attribute:\"vuln_publication_date\", value:\"2018/09/11\");\n script_set_attribute(attribute:\"patch_publication_date\", value:\"2018/09/11\");\n script_set_attribute(attribute:\"plugin_publication_date\", value:\"2018/09/11\");\n\n script_set_attribute(attribute:\"plugin_type\", value:\"local\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/o:microsoft:windows\");\n script_set_attribute(attribute:\"cpe\", value:\"cpe:/a:microsoft:edge\");\n script_end_attributes();\n\n script_category(ACT_GATHER_INFO);\n script_family(english:\"Windows : Microsoft Bulletins\");\n\n script_copyright(english:\"This script is Copyright (C) 2018-2022 and is owned by Tenable, Inc. or an Affiliate thereof.\");\n\n script_dependencies(\"smb_check_rollup.nasl\", \"smb_hotfixes.nasl\", \"ms_bulletin_checks_possible.nasl\");\n script_require_keys(\"SMB/MS_Bulletin_Checks/Possible\");\n script_require_ports(139, 445, \"Host/patch_management_checks\");\n\n exit(0);\n}\n\ninclude(\"audit.inc\");\ninclude(\"smb_hotfixes_fcheck.inc\");\ninclude(\"smb_hotfixes.inc\");\ninclude(\"smb_func.inc\");\ninclude(\"misc_func.inc\");\n\nget_kb_item_or_exit(\"SMB/MS_Bulletin_Checks/Possible\");\n\nbulletin = \"MS18-09\";\nkbs = make_list('4457142');\n\nif (get_kb_item(\"Host/patch_management_checks\")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE);\n\nget_kb_item_or_exit(\"SMB/Registry/Enumerated\");\nget_kb_item_or_exit(\"SMB/WindowsVersion\", exit_code:1);\n\nif (hotfix_check_sp_range(win10:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN);\n\nshare = hotfix_get_systemdrive(as_share:TRUE, exit_on_fail:TRUE);\nif (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share);\n\nif (\n smb_check_rollup(os:\"10\",\n sp:0,\n os_build:\"16299\",\n rollup_date:\"09_2018\",\n bulletin:bulletin,\n rollup_kb_list:[4457142])\n)\n{\n replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);\n hotfix_security_hole();\n hotfix_check_fversion_end();\n exit(0);\n}\nelse\n{\n hotfix_check_fversion_end();\n audit(AUDIT_HOST_NOT, hotfix_get_audit_report());\n}\n", "cvss": {"score": 10.0, "vector": "AV:N/AC:L/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2023-01-11T14:49:47", "description": "The remote Windows host is missing security update 4457131.\nIt is, therefore, affected by multiple vulnerabilities :\n\n - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. 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-2018-8457)\n\n - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2018-8424)\n\n - A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. (CVE-2018-0965, CVE-2018-8439)\n\n - A remote code execution vulnerability exists when Windows does not properly handle specially crafted image files. An attacker who successfully exploited the vulnerability could execute arbitrary code.\n (CVE-2018-8475)\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-2018-8440)\n\n - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2018-8469)\n\n - An elevation of privilege vulnerability exists in Windows that allows a sandbox escape. An attacker who successfully exploited the vulnerability could use the sandbox escape to elevate privileges on an affected system. This vulnerability by itself does not allow arbitrary code execution. However, the vulnerability could allow arbitrary code to run if an attacker uses it in combination with another vulnerability, such as a remote code execution vulnerability or another elevation of privilege vulnerability, that can leverage the elevated privileges when code execution is attempted.\n The security update addresses the vulnerability by correcting how Windows parses files. (CVE-2018-8468)\n\n - An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how the Windows kernel handles objects in memory. (CVE-2018-8442, CVE-2018-8443)\n\n - An information disclosure vulnerability exists when the Windows kernel fails to properly initialize a memory address. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. (CVE-2018-8419)\n\n - An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles registry objects in memory. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly handles objects in memory.\n (CVE-2018-8410)\n\n - An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. (CVE-2018-8462)\n\n - An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. (CVE-2018-8446)\n\n - A remote code execution vulnerability exists when the Microsoft XML Core Services MSXML parser processes user input. An attacker who successfully exploited the vulnerability could run malicious code remotely to take control of the users system. (CVE-2018-8420)\n\n - A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. (CVE-2018-8438)\n\n - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2018-8434)\n\n - A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded fonts. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2018-8332)\n\n - An information disclosure vulnerability exists when the browser scripting engine improperly handle object types.\n An attacker who has successfully exploited this vulnerability might be able to read privileged data across trust boundaries. In browsing scenarios, an attacker could convince a user to visit a malicious site and leverage the vulnerability to obtain privileged information from the browser process, such as sensitive data from other opened tabs. An attacker could also inject malicious code into advertising networks used by trusted sites or embed malicious code on a compromised, but trusted, site. The security update addresses the vulnerability by correcting how the browser scripting engine handles object types. (CVE-2018-8315)\n\n - A buffer overflow vulnerability exists in the Microsoft JET Database Engine that could allow remote code execution on an affected system. An attacker who successfully exploited this vulnerability could take 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. (CVE-2018-8392, CVE-2018-8393)\n\n - A denial of service vulnerability exists in the Microsoft Server Block Message (SMB) when an attacker sends specially crafted requests to the server. An attacker who exploited this vulnerability could cause the affected system to crash. To attempt to exploit this issue, an attacker would need to send specially crafted SMB requests to the target system. Note that the denial of service vulnerability would not allow an attacker to execute code or to elevate their user rights, but it could cause the affected system to stop accepting requests. The security update addresses the vulnerability by correcting the manner in which SMB handles specially crafted client requests.\n (CVE-2018-8335)\n\n - An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory.\n An attacker who successfully exploited the vulnerability could execute code with elevated permissions.\n (CVE-2018-8455)\n\n - A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory.\n 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-2018-8447)\n\n - An information disclosure vulnerability exists in Windows when the Windows bowser.sys kernel-mode driver fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could potentially disclose contents of System memory.\n (CVE-2018-8271)\n\n - An remote code execution vulnerability exists when Microsoft Edge PDF Reader improperly handles objects in memory. The vulnerability could corrupt memory in such a way that enables an attacker to 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. If the current user is logged on with administrative user rights, an attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2018-8464)\n\n - A remote code execution vulnerability exists when Microsoft .NET Framework processes input. An attacker who successfully exploited this vulnerability could take control of an affected system. (CVE-2018-8421)\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-2018-8367, CVE-2018-8465, CVE-2018-8466, CVE-2018-8467)\n\n - An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Microsoft browsers. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system.\n (CVE-2018-8452)\n\n - A security feature bypass exists when Device Guard incorrectly validates an untrusted file. An attacker who successfully exploited this vulnerability could make an unsigned file appear to be signed. Because Device Guard relies on the signature to determine the file is non- malicious, Device Guard could then allow a malicious file to execute. In an attack scenario, an attacker could make an untrusted file appear to be a trusted file. The update addresses the vulnerability by correcting how Device Guard handles untrusted files.\n (CVE-2018-8449)\n\n - An information disclosure vulnerability exists when the Windows Graphics component improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how the Windows Graphics Component handles objects in memory. (CVE-2018-8433)\n\n - A security feature bypass vulnerability exists when Windows Hyper-V BIOS loader fails to provide a high- entropy source. (CVE-2018-8435)\n\n - A remote code execution vulnerability exists in the way that the 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-2018-8354)\n\n - A security feature bypass vulnerability exists in Internet Explorer due to how scripts are handled that allows a universal cross-site scripting (UXSS) condition. An attacker could use the UXSS vulnerability to access any session belonging to web pages currently opened (or cached) by the browser at the time the attack is triggered. (CVE-2018-8470)\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-2018-8425)", "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": "2018-09-11T00:00:00", "type": "nessus", "title": "KB4457131: Windows 10 Version 1607 and Windows Server 2016 September 2018 Security Update", "bulletinFamily": "scanner", "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, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-0965", "CVE-2018-8271", "CVE-2018-8315", "CVE-2018-8332", "CVE-2018-8335", "CVE-2018-8354", "CVE-2018-8367", "CVE-2018-8392", "CVE-2018-8393", "CVE-2018-8410", "CVE-2018-8419", "CVE-2018-8420", "CVE-2018-8421", "CVE-2018-8424", "CVE-2018-8425", "CVE-2018-8433", "CVE-2018-8434", "CVE-2018-8435", "CVE-2018-8438", "CVE-2018-8439", "CVE-2018-8440", "CVE-2018-8442", "CVE-2018-8443", "CVE-2018-8446", "CVE-2018-8447", "CVE-2018-8449", "CVE-2018-8452", "CVE-2018-8455", "CVE-2018-8457", "CVE-2018-8462", "CVE-2018-8464", "CVE-2018-8465", "CVE-2018-8466", "CVE-2018-8467", "CVE-2018-8468", "CVE-2018-8469", "CVE-2018-8470", "CVE-2018-8475"], "modified": "2022-03-29T00:00:00", "cpe": ["cpe:/o:microsoft:windows", "cpe:/a:microsoft:edge"], "id": "SMB_NT_MS18_SEP_4457131.NASL", "href": "https://www.tenable.com/plugins/nessus/117413", "sourceData": "#%NASL_MIN_LEVEL 70300\n#\n# (C) Tenable Network Security, Inc.\n#\n# The descriptive text and package checks in this plugin were \n# extracted from the Microsoft Security Updates API. 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The vulnerability could corrupt\n memory in such a way that an attacker could execute\n arbitrary code in the context of the current user. An\n attacker who successfully exploited the vulnerability\n could gain the same user rights as the current user.\n (CVE-2018-8457)\n\n - An information disclosure vulnerability exists when the\n Windows GDI component improperly discloses the contents\n of its memory. An attacker who successfully exploited\n the vulnerability could obtain information to further\n compromise the users system. There are multiple ways an\n attacker could exploit the vulnerability, such as by\n convincing a user to open a specially crafted document,\n or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by\n correcting how the Windows GDI component handles objects\n in memory. 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An attacker who\n successfully exploited the vulnerability could use the\n sandbox escape to elevate privileges on an affected\n system. This vulnerability by itself does not allow\n arbitrary code execution. However, the vulnerability\n could allow arbitrary code to run if an attacker uses it\n in combination with another vulnerability, such as a\n remote code execution vulnerability or another elevation\n of privilege vulnerability, that can leverage the\n elevated privileges when code execution is attempted.\n The security update addresses the vulnerability by\n correcting how Windows parses files. (CVE-2018-8468)\n\n - An information disclosure vulnerability exists when the\n Windows kernel improperly handles objects in memory. An\n attacker who successfully exploited this vulnerability\n could obtain information to further compromise the users\n system. An authenticated attacker could exploit this\n vulnerability by running a specially crafted\n application. 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The security update addresses the\n vulnerability by helping to ensure that the Windows\n Kernel API properly handles objects in memory.\n (CVE-2018-8410)\n\n - An elevation of privilege vulnerability exists when the\n DirectX Graphics Kernel (DXGKRNL) driver improperly\n handles objects in memory. An attacker who successfully\n exploited this vulnerability could run processes in an\n elevated context. (CVE-2018-8462)\n\n - An information disclosure vulnerability exists when the\n Windows kernel improperly handles objects in memory. An\n attacker who successfully exploited this vulnerability\n could obtain information to further compromise the users\n system. (CVE-2018-8446)\n\n - A remote code execution vulnerability exists when the\n Microsoft XML Core Services MSXML parser processes user\n input. An attacker who successfully exploited the\n vulnerability could run malicious code remotely to take\n control of the users system. 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(CVE-2018-8332)\n\n - An information disclosure vulnerability exists when the\n browser scripting engine improperly handle object types.\n An attacker who has successfully exploited this\n vulnerability might be able to read privileged data\n across trust boundaries. In browsing scenarios, an\n attacker could convince a user to visit a malicious site\n and leverage the vulnerability to obtain privileged\n information from the browser process, such as sensitive\n data from other opened tabs. An attacker could also\n inject malicious code into advertising networks used by\n trusted sites or embed malicious code on a compromised,\n but trusted, site. The security update addresses the\n vulnerability by correcting how the browser scripting\n engine handles object types. (CVE-2018-8315)\n\n - A buffer overflow vulnerability exists in the Microsoft\n JET Database Engine that could allow remote code\n execution on an affected system. 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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-2018-8457)\n\n - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2018-8424)\n\n - A remote code execution vulnerability exists when Windows Hyper-V on a host server fails to properly validate input from an authenticated user on a guest operating system. (CVE-2018-0965, CVE-2018-8439)\n\n - A remote code execution vulnerability exists when Windows does not properly handle specially crafted image files. An attacker who successfully exploited the vulnerability could execute arbitrary code.\n (CVE-2018-8475)\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-2018-8440)\n\n - An elevation of privilege vulnerability exists in Windows that allows a sandbox escape. An attacker who successfully exploited the vulnerability could use the sandbox escape to elevate privileges on an affected system. This vulnerability by itself does not allow arbitrary code execution. However, the vulnerability could allow arbitrary code to run if an attacker uses it in combination with another vulnerability, such as a remote code execution vulnerability or another elevation of privilege vulnerability, that can leverage the elevated privileges when code execution is attempted.\n The security update addresses the vulnerability by correcting how Windows parses files. (CVE-2018-8468)\n\n - An information disclosure vulnerability exists when the Windows kernel fails to properly initialize a memory address. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. (CVE-2018-8419)\n\n - An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles registry objects in memory. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly handles objects in memory.\n (CVE-2018-8410)\n\n - An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. (CVE-2018-8462)\n\n - An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. (CVE-2018-8446)\n\n - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2018-8463, CVE-2018-8469)\n\n - A remote code execution vulnerability exists when the Microsoft XML Core Services MSXML parser processes user input. An attacker who successfully exploited the vulnerability could run malicious code remotely to take control of the users system. (CVE-2018-8420)\n\n - An information disclosure vulnerability exists when the Windows Graphics component improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how the Windows Graphics Component handles objects in memory. (CVE-2018-8433)\n\n - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2018-8434)\n\n - A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted embedded fonts. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2018-8332)\n\n - An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the users system. An authenticated attacker could exploit this vulnerability by running a specially crafted application. The update addresses the vulnerability by correcting how the Windows kernel handles objects in memory. (CVE-2018-8442, CVE-2018-8443, CVE-2018-8445)\n\n - An information disclosure vulnerability exists when the browser scripting engine improperly handle object types.\n An attacker who has successfully exploited this vulnerability might be able to read privileged data across trust boundaries. In browsing scenarios, an attacker could convince a user to visit a malicious site and leverage the vulnerability to obtain privileged information from the browser process, such as sensitive data from other opened tabs. An attacker could also inject malicious code into advertising networks used by trusted sites or embed malicious code on a compromised, but trusted, site. The security update addresses the vulnerability by correcting how the browser scripting engine handles object types. (CVE-2018-8315)\n\n - A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory.\n 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-2018-8447, CVE-2018-8461)\n\n - A buffer overflow vulnerability exists in the Microsoft JET Database Engine that could allow remote code execution on an affected system. An attacker who successfully exploited this vulnerability could take 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. (CVE-2018-8392, CVE-2018-8393)\n\n - A denial of service vulnerability exists in the Microsoft Server Block Message (SMB) when an attacker sends specially crafted requests to the server. An attacker who exploited this vulnerability could cause the affected system to crash. To attempt to exploit this issue, an attacker would need to send specially crafted SMB requests to the target system. Note that the denial of service vulnerability would not allow an attacker to execute code or to elevate their user rights, but it could cause the affected system to stop accepting requests. The security update addresses the vulnerability by correcting the manner in which SMB handles specially crafted client requests.\n (CVE-2018-8335)\n\n - A denial of service vulnerability exists when Microsoft Hyper-V Network Switch on a host server fails to properly validate input from a privileged user on a guest operating system. An attacker who successfully exploited the vulnerability could cause the host server to crash. (CVE-2018-8436, CVE-2018-8437, CVE-2018-8438)\n\n - An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory.\n An attacker who successfully exploited the vulnerability could execute code with elevated permissions.\n (CVE-2018-8455)\n\n - An elevation of privilege vulnerability exists due to an integer overflow in Windows Subsystem for Linux. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.\n (CVE-2018-8441)\n\n - An information disclosure vulnerability exists in Windows when the Windows bowser.sys kernel-mode driver fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could potentially disclose contents of System memory.\n (CVE-2018-8271)\n\n - A remote code execution vulnerability exists in the way that the ChakraCore scripting 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-2018-8456, CVE-2018-8459)\n\n - An remote code execution vulnerability exists when Microsoft Edge PDF Reader improperly handles objects in memory. The vulnerability could corrupt memory in such a way that enables an attacker to 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. If the current user is logged on with administrative user rights, an attacker could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2018-8464)\n\n - An information disclosure vulnerability exists when the Microsoft Edge Fetch API incorrectly handles a filtered response type. An attacker could use the vulnerability to read the URL of a cross-origin request. Websites that that do not securely populate the URL with confidential information could allow information to be disclosed to an attacker. (CVE-2018-8366)\n\n - A remote code execution vulnerability exists when Microsoft .NET Framework processes input. An attacker who successfully exploited this vulnerability could take control of an affected system. (CVE-2018-8421)\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-2018-8367, CVE-2018-8465, CVE-2018-8466, CVE-2018-8467)\n\n - An information disclosure vulnerability exists when the scripting engine does not properly handle objects in memory in Microsoft browsers. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system.\n (CVE-2018-8452)\n\n - A security feature bypass exists when Device Guard incorrectly validates an untrusted file. An attacker who successfully exploited this vulnerability could make an unsigned file appear to be signed. Because Device Guard relies on the signature to determine the file is non- malicious, Device Guard could then allow a malicious file to execute. In an attack scenario, an attacker could make an untrusted file appear to be a trusted file. The update addresses the vulnerability by correcting how Device Guard handles untrusted files.\n (CVE-2018-8449)\n\n - A security feature bypass vulnerability exists when Windows Hyper-V BIOS loader fails to provide a high- entropy source. (CVE-2018-8435)\n\n - A remote code execution vulnerability exists in the way that the 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-2018-8354)\n\n - A security feature bypass vulnerability exists in Internet Explorer due to how scripts are handled that allows a universal cross-site scripting (UXSS) condition. An attacker could use the UXSS vulnerability to access any session belonging to web pages currently opened (or cached) by the browser at the time the attack is triggered. (CVE-2018-8470)\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. 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The vulnerability could corrupt\n memory in such a way that an attacker could execute\n arbitrary code in the context of the current user. An\n attacker who successfully exploited the vulnerability\n could gain the same user rights as the current user.\n (CVE-2018-8457)\n\n - An information disclosure vulnerability exists when the\n Windows GDI component improperly discloses the contents\n of its memory. An attacker who successfully exploited\n the vulnerability could obtain information to further\n compromise the users system. There are multiple ways an\n attacker could exploit the vulnerability, such as by\n convincing a user to open a specially crafted document,\n or by convincing a user to visit an untrusted webpage.\n The security update addresses the vulnerability by\n correcting how the Windows GDI component handles objects\n in memory. (CVE-2018-8424)\n\n - A remote code execution vulnerability exists when\n Windows Hyper-V on a host server fails to properly\n validate input from an authenticated user on a guest\n operating system. (CVE-2018-0965, CVE-2018-8439)\n\n - A remote code execution vulnerability exists when\n Windows does not properly handle specially crafted image\n files. An attacker who successfully exploited the\n vulnerability could execute arbitrary code.\n (CVE-2018-8475)\n\n - An elevation of privilege vulnerability exists when\n Windows improperly handles calls to Advanced Local\n Procedure Call (ALPC). An attacker who successfully\n exploited this vulnerability could run arbitrary code in\n the security context of the local system. An attacker\n could then install programs; view, change, or delete\n data; or create new accounts with full user rights.\n (CVE-2018-8440)\n\n - An elevation of privilege vulnerability exists in\n Windows that allows a sandbox escape. An attacker who\n successfully exploited the vulnerability could use the\n sandbox escape to elevate privileges on an affected\n system. This vulnerability by itself does not allow\n arbitrary code execution. However, the vulnerability\n could allow arbitrary code to run if an attacker uses it\n in combination with another vulnerability, such as a\n remote code execution vulnerability or another elevation\n of privilege vulnerability, that can leverage the\n elevated privileges when code execution is attempted.\n The security update addresses the vulnerability by\n correcting how Windows parses files. (CVE-2018-8468)\n\n - An information disclosure vulnerability exists when the\n Windows kernel fails to properly initialize a memory\n address. An attacker who successfully exploited this\n vulnerability could obtain information to further\n compromise the users system. (CVE-2018-8419)\n\n - An elevation of privilege vulnerability exists when the\n Windows Kernel API improperly handles registry objects\n in memory. An attacker who successfully exploited the\n vulnerability could gain elevated privileges on a\n targeted system. A locally authenticated attacker could\n exploit this vulnerability by running a specially\n crafted application. The security update addresses the\n vulnerability by helping to ensure that the Windows\n Kernel API properly handles objects in memory.\n (CVE-2018-8410)\n\n - An elevation of privilege vulnerability exists when the\n DirectX Graphics Kernel (DXGKRNL) driver improperly\n handles objects in memory. An attacker who successfully\n exploited this vulnerability could run processes in an\n elevated context. (CVE-2018-8462)\n\n - An information disclosure vulnerability exists when the\n Windows kernel improperly handles objects in memory. An\n attacker who successfully exploited this vulnerability\n could obtain information to further compromise the users\n system. (CVE-2018-8446)\n\n - An elevation of privilege vulnerability exists in\n Microsoft Edge that could allow an attacker to escape\n from the AppContainer sandbox in the browser. An\n attacker who successfully exploited this vulnerability\n could gain elevated privileges and break out of the Edge\n AppContainer sandbox. The vulnerability by itself does\n not allow arbitrary code to run. However, this\n vulnerability could be used in conjunction with one or\n more vulnerabilities (for example a remote code\n execution vulnerability and another elevation of\n privilege vulnerability) to take advantage of the\n elevated privileges when running. The security update\n addresses the vulnerability by modifying how Microsoft\n Edge handles sandboxing. (CVE-2018-8463, CVE-2018-8469)\n\n - A remote code execution vulnerability exists when the\n Microsoft XML Core Services MSXML parser processes user\n input. An attacker who successfully exploited the\n vulnerability could run malicious code remotely to take\n control of the users system. (CVE-2018-8420)\n\n - An information disclosure vulnerability exists when the\n Windows Graphics component improperly handles objects in\n memory. An attacker who successfully exploited this\n vulnerability could obtain information to further\n compromise the users system. An authenticated attacker\n could exploit this vulnerability by running a specially\n crafted application. The update addresses the\n vulnerability by correcting how the Windows Graphics\n Component handles objects in memory. (CVE-2018-8433)\n\n - An information disclosure vulnerability exists when\n Windows Hyper-V on a host operating system fails to\n properly validate input from an authenticated user on a\n guest operating system. (CVE-2018-8434)\n\n - A remote code execution vulnerability exists when the\n Windows font library improperly handles specially\n crafted embedded fonts. An attacker who successfully\n exploited this vulnerability could take control of the\n affected system. An attacker could then install\n programs; view, change, or delete data; or create new\n accounts with full user rights. (CVE-2018-8332)\n\n - An information disclosure vulnerability exists when the\n Windows kernel improperly handles objects in memory. An\n attacker who successfully exploited this vulnerability\n could obtain information to further compromise the users\n system. An authenticated attacker could exploit this\n vulnerability by running a specially crafted\n application. The update addresses the vulnerability by\n correcting how the Windows kernel handles objects in\n memory. (CVE-2018-8442, CVE-2018-8443, CVE-2018-8445)\n\n - An information disclosure vulnerability exists when the\n browser scripting engine improperly handle object types.\n An attacker who has successfully exploited this\n vulnerability might be able to read privileged data\n across trust boundaries. In browsing scenarios, an\n attacker could convince a user to visit a malicious site\n and leverage the vulnerability to obtain privileged\n information from the browser process, such as sensitive\n data from other opened tabs. An attacker could also\n inject malicious code into advertising networks used by\n trusted sites or embed malicious code on a compromised,\n but trusted, site. The security update addresses the\n vulnerability by correcting how the browser scripting\n engine handles object types. (CVE-2018-8315)\n\n - A remote code execution vulnerability exists when\n Internet Explorer improperly accesses objects in memory.\n The vulnerability could corrupt memory in such a way\n that an attacker could execute arbitrary code in the\n context of the current user. An attacker who\n successfully exploited the vulnerability could gain the\n same user rights as the current user. (CVE-2018-8447,\n CVE-2018-8461)\n\n - A buffer overflow vulnerability exists in the Microsoft\n JET Database Engine that could allow remote code\n execution on an affected system. An attacker who\n successfully exploited this vulnerability could take\n control of an affected system. An attacker could then\n install programs; view, change, or delete data; or\n create new accounts with full user rights. Users whose\n accounts are configured to have fewer user rights on the\n system could be less impacted than users who operate\n with administrative user rights. (CVE-2018-8392,\n CVE-2018-8393)\n\n - A denial of service vulnerability exists in the\n Microsoft Server Block Message (SMB) when an attacker\n sends specially crafted requests to the server. An\n attacker who exploited this vulnerability could cause\n the affected system to crash. To attempt to exploit this\n issue, an attacker would need to send specially crafted\n SMB requests to the target system. Note that the denial\n of service vulnerability would not allow an attacker to\n execute code or to elevate their user rights, but it\n could cause the affected system to stop accepting\n requests. The security update addresses the\n vulnerability by correcting the manner in which SMB\n handles specially crafted client requests.\n (CVE-2018-8335)\n\n - A denial of service vulnerability exists when Microsoft\n Hyper-V Network Switch on a host server fails to\n properly validate input from a privileged user on a\n guest operating system. 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An attacker\n who successfully exploited the vulnerability could\n potentially disclose contents of System memory.\n (CVE-2018-8271)\n\n - A remote code execution vulnerability exists in the way\n that the ChakraCore scripting engine handles objects in\n memory. The vulnerability could corrupt memory in such a\n way that an attacker could execute arbitrary code in the\n context of the current user. An attacker who\n successfully exploited the vulnerability could gain the\n same user rights as the current user. (CVE-2018-8456,\n CVE-2018-8459)\n\n - An remote code execution vulnerability exists when\n Microsoft Edge PDF Reader improperly handles objects in\n memory. The vulnerability could corrupt memory in such a\n way that enables an attacker to execute arbitrary code\n in the context of the current user. An attacker who\n successfully exploited the vulnerability could gain the\n same user rights as the current user. If the current\n user is logged on with administrative user rights, an\n attacker could take control of an affected system. An\n attacker could then install programs; view, change, or\n delete data; or create new accounts with full user\n rights. (CVE-2018-8464)\n\n - An information disclosure vulnerability exists when the\n Microsoft Edge Fetch API incorrectly handles a filtered\n response type. An attacker could use the vulnerability\n to read the URL of a cross-origin request. Websites that\n that do not securely populate the URL with confidential\n information could allow information to be disclosed to\n an attacker. (CVE-2018-8366)\n\n - A remote code execution vulnerability exists when\n Microsoft .NET Framework processes input. An attacker\n who successfully exploited this vulnerability could take\n control of an affected system. (CVE-2018-8421)\n\n - A remote code execution vulnerability exists in the way\n that the Chakra scripting engine handles objects in\n memory in Microsoft Edge. The vulnerability could\n corrupt memory in such a way that an attacker could\n execute arbitrary code in the context of the current\n user. An attacker who successfully exploited the\n vulnerability could gain the same user rights as the\n current user. (CVE-2018-8367, CVE-2018-8465,\n CVE-2018-8466, CVE-2018-8467)\n\n - An information disclosure vulnerability exists when the\n scripting engine does not properly handle objects in\n memory in Microsoft browsers. An attacker who\n successfully exploited the vulnerability could obtain\n information to further compromise the users system.\n (CVE-2018-8452)\n\n - A security feature bypass exists when Device Guard\n incorrectly validates an untrusted file. An attacker who\n successfully exploited this vulnerability could make an\n unsigned file appear to be signed. 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The latest Patch Tuesday covers 61 vulnerabilities, 17 of which are rated \"critical,\" 43 that are rated \"important\" and one that is considered to have \"moderate\" severity. \n \nThe advisories cover bugs in the Internet Explorer web browser, Jet Database Engine and the Chakra scripting engine, among other products and software. \n \nThis update also includes two critical advisories, one of which covers security updates to Adobe Flash, and another that deals with a denial-of-service vulnerability in the Microsoft Windows operating system. \n \n \n \n\n\n## Critical vulnerabilities\n\n \nMicrosoft released coverage for 17 critical bugs. Cisco Talos believes 16 of these are of special importance and need to be addressed by users immediately. \n \n[CVE-2018-0965](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0965>) is a remote code execution vulnerability in the Windows Hyper-V hypervisor. An attacker can exploit this vulnerability by running a specially crafted application on a guest system that would cause the system operating Hyper-V to execute arbitrary code. The flaw lies in the way that Hyper-V validates inputs from an authenticated user on a guest OS. \n \n[CVE-2018-8367](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8367>) is a remote code execution vulnerability in the Chakra scripting engine. The engine improperly handles objects in memory in the Microsoft Edge web browser that could allow an attacker to corrupt the system's memory and execute arbitrary code with the user's credentials. \n \n[CVE-2018-8420](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8420>) is a remote code execution vulnerability in Microsoft XML Core Services MSXML. An attacker could trick the user into visiting a specially crafted, malicious website designed to invoke MSXML through a web browser, allowing the attacker to eventually run code and take control of the user's system. \n \n[CVE-2018-8461](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8461>) is a remote code execution vulnerability in Internet Explorer that exists when the web browser improperly accesses objects in memory. This bug could corrupt memory in a way that an attacker could execute arbitrary code with the same rights as the current user. A user would need to visit a specially crafted, malicious website to trigger this vulnerability. \n \n[CVE-2018-8475](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8475>) is a remote code execution vulnerability in Windows OS, which exists due to the image-loading functionality improperly handling malformed image files. An attacker could exploit this bug by convincing a user to load a malformed image file from either a web page, email or other method. \n \n[CVE-2018-8332](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8332>) is a remote code execution vulnerability in the Windows font library. There are multiple ways in which an attacker could exploit this flaw, including convincing the user to click on a malicious web page or providing the user with a specially crafted, malicious document. \n \n[CVE-2018-8391](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8391>) is a remote code execution vulnerability in the Chakra scripting engine. An attacker can exploit this flaw if a user is logged on with an administrative account. \n \n[CVE-2018-8439](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8439>) is a remote code execution vulnerability in the Windows Hyper-V hypervisor. The bug exists in Hyper-V's validation on a host server. An attacker can exploit this flaw by running a specially crafted application on a guest operating system that could lead to the machine running Hyper-V executing arbitrary code. \n \n[CVE-2018-8447](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8447>) is a remote code execution vulnerability in Internet Explorer. An attacker could exploit this vulnerability by tricking a user into visiting a specially crafted web page while using the Internet Explorer browser, or by taking advantage of a compromised website through advertisements or attachments that the user would have to click on. \n \n[CVE-2018-8456](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8456>) and [CVE-2018-](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8459>)[8459](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8459>) are remote code execution vulnerabilities that exist in the Chakra scripting engine's handling of objects in memory. This bug could corrupt memory in a way that an attacker could execute arbitrary code with the same rights as the current user. \n \n[CVE-2018-8457](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8457>) is a remote code execution vulnerability that exists in the way Microsoft web browsers' scripting engines handle objects in memory. An attacker could host a specially crafted website to exploit this vulnerability, and then convince the user to visit the website while using a Microsoft web browser, or they could embed an ActiveX control that is marked \"safe for initialization\" in a Microsoft Office file or an application that hosts the browser's rendering engine. \n \n[CVE-2018-8464](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8464>) is a remote code execution vulnerability in Microsoft Edge's PDF reader that exists in the way the reader handles objects in memory. An attacker could exploit this bug by convincing a user to click on a web page that contains a malicious PDF, or by hosting the PDF on websites that host user-provided content. \n \n[CVE-2018-8465](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8465>), [CVE-2018-8466](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8466>) and [CVE-2018-8467](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8467>) are remote code execution vulnerabilities in the Chakra scripting engine that lie in the way it handles objects in memory in the Microsoft Edge web browser. An attacker can exploit these bugs by tricking the user into opening a malicious web page, or an advertisement that is hosted on a website that allows user-provided content. \n \nThe other critical vulnerability is: \n\n\n * [CVE-2018-8421 \u2014 .NET Framework Remote Code Execution Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8421>)\n \n\n\n## Important vulnerabilities\n\n \nThere is also coverage for 43 important vulnerabilities, 11 of which we wish to highlight. \n \n[CVE-2018-8354](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8354>) is a remote code execution vulnerability that exists in the way the scripting engine handles objects in memory in the Microsoft Edge web browser. A user would need to visit a specially crafted, malicious website in order to trigger this vulnerability. \n \n[CVE-2018-8392](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8392>) and [CVE-2018-8393](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8393>) are buffer overflow vulnerabilities in the Microsoft Jet Database Engine. To exploit these bugs, a user must open a specially crafted Excel file while using an at-risk version of Windows. An attacker could exploit these vulnerabilities to execute code on the victim's machine at an administrator's level. \n \n[CVE-2018-8430](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8430>) is a remote code execution vulnerability in Microsoft Word 2013 and 2016. An attacker can exploit this by tricking a user into opening a specially crafted, malicious PDF. \n \n[CVE-2018-8447](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8447>) is an elevation of privilege vulnerability that lies in the way Windows processes calls to Advanced Local Procedure Call (ALPC). An attacker would need to log onto the system directly in order to exploit this vulnerability, and then run a specially crafted application. \n \n[CVE-2018-8331](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8331>) is a remote code execution vulnerability in Microsoft Excel that exists when the software fails to correctly handle objects in memory. A user could trigger this bug by opening a specially crafted, malicious file in an email or on a web page. \n \n[CVE-2018-8315](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8315>) is an information disclosure vulnerability in Microsoft's scripting engine that could expose uninitialized memory if exploited. An attacker could access this information by convincing a user to visit a malicious website and then leveraging the vulnerability to obtain privileged data from the browser process. \n \n[CVE-2018-8335](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8335>) is a denial-of-service vulnerability in the Microsoft Server Block Message (SMB). An attacker can send a specially crafted request to the server to trigger this vulnerability. \n \n[CVE-2018-8425](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8425>) is a spoofing vulnerability in the Microsoft Edge web browser. The bug lies in the way the browser handles specific HTML content. If an attacker correctly exploits this bug, a user could be tricked into thinking they are visiting a legitimate website when they are actually on a malicious page. \n \n[CVE-2018-8440](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8440>) is an elevation of privilege vulnerability that occurs when Windows incorrectly handles calls to Advanced Local Procedure Call (APLC). An attacker needs to log onto the system directly to exploit this vulnerability, and then run a specially crafted application to take over the system. This vulnerability has been spotted in the wild as part of several pieces of malware. \n \nThe other vulnerabilities that are rated \"important\" are: \n \n\n\n * [CVE-2018-8271 \u2014 Windows Information Disclosure Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8271>)\n * [CVE-2018-8336 \u2014 Windows Kernel Information Disclosure Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8336>)\n * [CVE-2018-8337 \u2014 Windows Subsystem for Linux Security Feature Bypass Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8337>)\n * [CVE-2018-8366 \u2014 Microsoft Edge Information Disclosure Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8366>)\n * [CVE-2018-8409 \u2014 ASP.NET Core Denial of Service](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8409>)\n * [CVE-2018-8410 \u2014 Windows Registry Elevation of Privilege Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8410>)\n * [CVE-2018-8424 \u2014 Windows GDI Information Disclosure Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8424>)\n * [CVE-2018-8426 \u2014 Microsoft Office SharePoint XSS Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8426>)\n * [CVE-2018-8428 \u2014 Microsoft SharePoint Elevation of Privilege Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8428>)\n * [CVE-2018-8429 \u2014 Microsoft Excel Information Disclosure Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8429>)\n * [CVE-2018-8431 \u2014 Microsoft SharePoint Elevation of Privilege Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8431>)\n * [CVE-2018-8433 \u2014 Microsoft Graphics Component Information Disclosure Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8433>)\n * [CVE-2018-8434 \u2014 Windows Hyper-V Information Disclosure Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8434>)\n * [CVE-2018-8435 \u2014 Windows Hyper-V Security Feature Bypass Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8435>)\n * [CVE-2018-8436 \u2014 Windows Hyper-V Denial of Service Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8436>)\n * [CVE-2018-8437 \u2014 Windows Hyper-V Denial of Service Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8437>)\n * [CVE-2018-8438 \u2014 Windows Denial of Service Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8438>)\n * [CVE-2018-8441 \u2014 Windows ALPC Elevation of Privilege Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8441>)\n * [CVE-2018-8442 \u2014 Windows Kernel Information Disclosure Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8442>)\n * [CVE-2018-8443 \u2014 Windows Kernel Information Disclosure Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8443>)\n * [CVE-2018-8444 \u2014 Windows SMB Information Disclosure Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8444>)\n * [CVE-2018-8445 \u2014 Windows Kernel Information Disclosure Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8445>)\n * [CVE-2018-8446 \u2014 Windows Kernel Information Disclosure Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8446>)\n * [CVE-2018-8449 \u2014 Device Guard Security Feature Bypass Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8449>)\n * [CVE-2018-8452 \u2014 Scripting Engine Information Disclosure Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8452>)\n * [CVE-2018-8455 \u2014 Windows Kernel Elevation of Privilege Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8455>)\n * [CVE-2018-8462 \u2014 DirectX Graphics Kernel Elevation of Privilege Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8462>)\n * [CVE-2018-8463 \u2014 Microsoft Edge Elevation of Privilege Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8463>)\n * [CVE-2018-8468 \u2014 Windows Elevation of Privilege Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8468>)\n * [CVE-2018-8469 \u2014 Microsoft Edge Elevation of Privilege Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8469>)\n * [CVE-2018-8470 \u2014 Internet Explorer Security Feature Bypass Vulnerability](<https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8470>)\n \n\n\n## Coverage\n\n \nIn response to these vulnerability disclosures, Talos is releasing the following Snort 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**Snort Rules:** 45142-45143, 47702-47703, 47717-47718, 47730-47741, 47745-47748 \n \n \n\n\n", "cvss3": {}, "published": "2018-09-11T11:56:00", "type": "talosblog", "title": "Microsoft Patch Tuesday - September 2018", "bulletinFamily": "blog", "cvss2": {}, "cvelist": ["CVE-2018-0965", "CVE-2018-8271", "CVE-2018-8315", "CVE-2018-8331", "CVE-2018-8332", "CVE-2018-8335", "CVE-2018-8336", "CVE-2018-8337", "CVE-2018-8354", "CVE-2018-8366", "CVE-2018-8367", "CVE-2018-8391", "CVE-2018-8392", "CVE-2018-8393", "CVE-2018-8409", "CVE-2018-8410", "CVE-2018-8420", "CVE-2018-8421", "CVE-2018-8424", "CVE-2018-8425", "CVE-2018-8426", "CVE-2018-8428", "CVE-2018-8429", "CVE-2018-8430", "CVE-2018-8431", "CVE-2018-8433", "CVE-2018-8434", "CVE-2018-8435", "CVE-2018-8436", "CVE-2018-8437", "CVE-2018-8438", "CVE-2018-8439", "CVE-2018-8440", "CVE-2018-8441", "CVE-2018-8442", "CVE-2018-8443", "CVE-2018-8444", "CVE-2018-8445", "CVE-2018-8446", "CVE-2018-8447", "CVE-2018-8449", "CVE-2018-8452", "CVE-2018-8455", "CVE-2018-8456", "CVE-2018-8457", "CVE-2018-8459", "CVE-2018-8461", "CVE-2018-8462", "CVE-2018-8463", "CVE-2018-8464", "CVE-2018-8465", "CVE-2018-8466", "CVE-2018-8467", "CVE-2018-8468", "CVE-2018-8469", "CVE-2018-8470", "CVE-2018-8475"], "modified": "2018-09-12T17:20:48", "id": "TALOSBLOG:116422E24074F675755331EBA739BEB9", "href": "http://feedproxy.google.com/~r/feedburner/Talos/~3/78jpAdLIztI/ms-tuesday.html", "cvss": {"score": 0.0, "vector": "NONE"}}]}