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TITLE:
Microsoft Windows WINS Privilege Escalation Vulnerability

SECUNIA ADVISORY ID:
SA30584

VERIFY ADVISORY:
http://secunia.com/advisories/30584/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
Microsoft Windows 2000 Advanced Server
http://secunia.com/product/21/
Microsoft Windows 2000 Datacenter Server
http://secunia.com/product/1177/
Microsoft Windows 2000 Server
http://secunia.com/product/20/
Microsoft Windows Server 2003 Datacenter Edition
http://secunia.com/product/1175/
Microsoft Windows Server 2003 Enterprise Edition
http://secunia.com/product/1174/
Microsoft Windows Server 2003 Standard Edition
http://secunia.com/product/1173/
Microsoft Windows Server 2003 Web Edition
http://secunia.com/product/1176/

DESCRIPTION:
A vulnerability has been reported in Microsoft Windows, which can be
exploited by malicious, local users to gain escalated privileges.

The vulnerability is caused due to an input validation error in the
Windows Internet Name Service (WINS) when handling data structures in
a WINS packet. This can be exploited to overwrite memory via a
specially crafted WINS packet.

Successful exploitation allows execution of arbitrary code.

SOLUTION:
Apply patches.

Windows 2000 SP4:
http://www.microsoft.com/downloads/details.aspx?familyid=aa8aa79f-c2cc-440c-9e5c-089143e6f814

Windows Server 2003 SP1/SP2:
http://www.microsoft.com/downloads/details.aspx?familyid=08fc90d5-23aa-4327-8aef-16bc5170769d

Windows Server 2003 x64 Edition (optionally with SP2):
http://www.microsoft.com/downloads/details.aspx?familyid=71675ae8-d60a-4834-b358-2d8e761e62fc

Windows Server 2003 with SP1/SP2 for Itanium-based systems:
http://www.microsoft.com/downloads/details.aspx?familyid=87affdc9-d9fe-413c-af30-f3d3b671ec72

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
MS08-034 (KB948745):
http://www.microsoft.com/technet/security/Bulletin/MS08-034.mspx

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

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

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