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Secunia Security Advisory 38265

Secunia Security Advisory 38265
Posted Jan 20, 2010
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Tavis Ormandy has discovered a vulnerability in Microsoft Windows, which can be exploited by malicious, local users to gain escalated privileges.

tags | advisory, local
systems | windows
SHA-256 | 747986dde66ccda9a9a0ab3b4fb088c386d5619d32303f0370b25284a74b9695

Secunia Security Advisory 38265

Change Mirror Download
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Secunia integrated with Microsoft WSUS
http://secunia.com/blog/71/



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TITLE:
Microsoft Windows "KiTrap0D" Privilege Escalation Vulnerability

SECUNIA ADVISORY ID:
SA38265

VERIFY ADVISORY:
http://secunia.com/advisories/38265/

DESCRIPTION:
Tavis Ormandy has discovered a vulnerability in Microsoft Windows,
which can be exploited by malicious, local users to gain escalated
privileges.

The vulnerability is caused due to an error within the #GP trap
handler (nt!KiTrap0D), which can be exploited to execute arbitrary
code with kernel privileges.

Successful exploitation requires access to 16-bit applications.

The vulnerability is confirmed in a fully patched Windows XP SP2 and
reported in Windows 2000, Windows Server 2003, Windows Vista, Windows
Server 2008, Windows 7, and potentially other 32-bit x86 versions of
Windows NT since July 27th, 1993.

SOLUTION:
Restrict access to trusted users only. Disable support for 16-bit
applications.

PROVIDED AND/OR DISCOVERED BY:
Tavis Ormandy

ORIGINAL ADVISORY:
http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0346.html

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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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