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MS.Windows.LSASS.NTLM.Authentication.DoS

Release Date

Oct 16, 2009

Severity

medium

Impact

Denial of Service.

Description

This indicates an attempt to exploit a Denial of Service vulnerability in Windows LSASS component.

This vulnerability is caused by an error that occurs when the Windows NTLM implementation in LSASS handles specific malformed packets during the authentication process. A specific malformed packet may lead to an integer underflow in the LSASS process.

Affected Products

Windows XP Service Pack 2 and Service Pack 3
Windows XP Professional x64 Edition Service Pack 2
Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 with SP2 for Itanium-based Systems
Windows Vista, Windows Vista Service Pack 1, and Windows Vista Service Pack 2
Windows Vista x64 Edition, Windows Vista x64 Edition Service Pack 1, and Windows Vista x64 Edition Service Pack 2

Recommended Actions

Apply the latest update from the vendor.
http://www.microsoft.com/technet/security/Bulletin/MS09-059.mspx

Coverage

IPS
VCM

Common Vulnerabilities and Exposures (CVE)

CVE-2009-2524

Reference/s

http://technet.microsoft.com/en-us/security/bulletin/MS09-059.mspx (MS-ID)

Reference: VID-17800