Test ID:	1.3.6.1.4.1.25623.1.0.801719
Category:	Windows : Microsoft Bulletins
Title:	Microsoft Windows CSRSS CSRFinalizeContext Local Privilege Escalation Vulnerability (930178)
Summary:	This host is missing a critical security update according to; Microsoft Bulletin MS07-021.
Description:	Summary: This host is missing a critical security update according to Microsoft Bulletin MS07-021. Vulnerability Insight: The flaw is due to - A double-free error in the Client/Server Run-time Subsystem (CSRSS) within 'WINSRV.DLL' when handling HardError messages. - Incorrect marshaling of system resources in the Client/Server Run-time Subsystem (CSRSS) when handling connections during the startup and stopping of processes. Vulnerability Impact: Successful exploitation allows remote attackers to execute arbitrary code with SYSTEM privileges by establishing and closing multiple connections to the subsystem's ApiPort. Affected Software/OS: - Microsoft Windows XP Service Pack 2 and prior - Microsoft Windows 2000 Service Pack 4 and prior - Microsoft Windows 2K3 Service Pack 2 and prior - Microsoft Windows Vista Solution: The vendor has released updates. Please see the references for more information. CVSS Score: 7.2 CVSS Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2006-6696 BugTraq ID: 21688 http://www.securityfocus.com/bid/21688 BugTraq ID: 23324 http://www.securityfocus.com/bid/23324 Bugtraq: 20061221 Microsoft Windows XP/2003/Vista memory corruption 0day (Google Search) http://www.securityfocus.com/archive/1/455061/100/0/threaded Bugtraq: 20061221 Re: [Full-disclosure] Microsoft Windows XP/2003/Vista memory corruption 0day (Google Search) http://www.securityfocus.com/archive/1/455104/100/0/threaded Bugtraq: 20061221 Re: [Full-disclosure] Microsoft Windows XP/2003/Vista memorycorruption 0day (Google Search) http://www.securityfocus.com/archive/1/455088/100/0/threaded Bugtraq: 20061222 Re: Re: [Full-disclosure] Microsoft Windows XP/2003/Vista memory corruption 0day (Google Search) http://www.securityfocus.com/archive/1/455158/100/0/threaded Bugtraq: 20061230 csrss.exe double-free vulnerability - arbitrary DWORD overwrite exploit (Google Search) http://www.securityfocus.com/archive/1/455546/100/0/threaded http://lists.grok.org.uk/pipermail/full-disclosure/2006-December/051394.html HPdes Security Advisory: HPSBST02208 http://www.securityfocus.com/archive/1/466331/100/200/threaded HPdes Security Advisory: SSRT071365 http://groups.google.ca/group/microsoft.public.win32.programmer.kernel/browse_thread/thread/c5946bf40f227058/7bd7b5d66a4e5aff http://isc.sans.org/diary.php?n&storyid=1965 http://research.eeye.com/html/alerts/zeroday/20061215.html http://www.determina.com/security.research/vulnerabilities/csrss-harderror.html http://www.kuban.ru/forum_new/forum2/files/19124.html http://www.security.nnov.ru/Gnews944.html http://www.security.nnov.ru/files/messagebox.c Microsoft Security Bulletin: MS07-021 https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-021 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1816 http://securitytracker.com/id?1017433 http://secunia.com/advisories/23448 http://www.vupen.com/english/advisories/2006/5120 http://www.vupen.com/english/advisories/2007/1325 Common Vulnerability Exposure (CVE) ID: CVE-2007-1209 BugTraq ID: 23338 http://www.securityfocus.com/bid/23338 Bugtraq: 20070410 EEYE: Windows Vista CSRSS Dangling Process Pointer Privilege Escalation (Google Search) http://www.securityfocus.com/archive/1/465233/100/0/threaded Cert/CC Advisory: TA07-100A http://www.us-cert.gov/cas/techalerts/TA07-100A.html CERT/CC vulnerability note: VU#219848 http://www.kb.cert.org/vuls/id/219848 http://research.eeye.com/html/advisories/published/AD20070410b.html http://www.osvdb.org/34008 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1524 http://www.securitytracker.com/id?1017897 http://secunia.com/advisories/24823 http://securityreason.com/securityalert/2531
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