Windows Vista CSRSS Privilege Escalation Vulnerability - Secunia Advisories - Vulnerability Intelligence

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Windows Vista CSRSS Privilege Escalation Vulnerability
Secunia Advisory:	SA24823	Advisory Toolbox: Issue ticket Save in to-do list Mark as handled Exploit information Download as PDF Review actions Add comment
Release Date:	2007-04-10
Last Update:	2007-04-11
Popularity:	9,902 views

Critical:	Less critical
Impact:	Privilege escalation
Where:	Local system
Solution Status:	Vendor Patch

OS:	Microsoft Windows Vista

Subscribe:	Instant alerts on relevant vulnerabilities

CVE reference:	CVE-2007-1209

Description: eEye Digital Security has reported a vulnerability in Windows Vista, which can be exploited by malicious, local users to gain escalated privileges. The vulnerability is caused due to incorrect marshaling of system resources in the Client/Server Run-time Subsystem (CSRSS) when handling connections during the startup and stopping of processes. This can be exploited to execute arbitrary code with SYSTEM privileges by establishing and closing multiple connections to the subsystem's "ApiPort". Solution: Apply patches. Windows Vista: http://www.microsoft.com/downloads/de...=3487b1f0-a383-41a4-a660-2768962b3bcd Windows Vista x64 Edition: http://www.microsoft.com/downloads/de...=c46f62e1-dddd-4886-a82b-ebec258a495b Provided and/or discovered by: Derek Soeder, eEye Digital Security. Changelog: 2007-04-11: Added link to US-CERT. Original Advisory: MS07-021 (KB930178): http://www.microsoft.com/technet/security/Bulletin/MS07-021.mspx eEye Digital Security: http://research.eeye.com/html/advisories/published/AD20070410b.html Other References: US-CERT VU#219848: http://www.kb.cert.org/vuls/id/219848

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