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TITLE:
Microsoft Windows CSRSS Logoff Process Termination Vulnerability

SECUNIA ADVISORY ID:
SA43250

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/43250/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=43250

RELEASE DATE:
2011-02-08

DISCUSS ADVISORY:
http://secunia.com/advisories/43250/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/43250/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=43250

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in Microsoft Windows, which can be
exploited by malicious, local users to bypass certain security
restrictions.

The vulnerability is caused due to the Client/Server Run-time
Subsystem (CSRSS) not properly terminating user processes during
logoff and can be exploited to cause a malicious process to continue
executing after log off.

Successful exploitation may allow disclosing the credentials or
gaining access to data of a subsequently logged-in user.

SOLUTION:
Apply patches.

Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Sihan Qing, Weiping Wen, Liang Yi, and Husheng
Zhou, Beijing University Department of Information Security.

ORIGINAL ADVISORY:
MS11-010 (KB2476687):
http://www.microsoft.com/technet/security/Bulletin/MS11-010.mspx

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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