Microsoft Windows Local Security Authority Subsystem Service (LSASS) Integer Overflow Vulnerability( 14 October 2009 )
Last Update Date:
28 Jan 2011
Release Date:
14 Oct 2009
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RISK: Medium Risk
A denial of service vulnerability exists in the Microsoft Windows Local Security Authority Subsystem Service (LSASS) due to its improper handling of malformed packets during NTLM authentication. An attacker could create specially crafted anonymous NTLM authentication requests that would cause a crash in the LSASS service and subsequently would restart the computer.
Impact
- Denial of Service
System / Technologies affected
- Windows XP
- Windows Server 2003
- Windows Vista
- Windows Server 2008
- Windows 7
Solutions
Before installation of the software, please visit the software manufacturer web-site for more details.
Download locations for this patch
- Windows XP Service Pack 2 and Windows XP 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
- Windows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit Systems Service Pack 2
- Windows Server 2008 for x64-based Systems and Windows Server 2008 for x64-based Systems Service Pack 2
- Windows Server 2008 for Itanium-based Systems and Windows Server 2008 for Itanium-based Systems Service Pack 2
- Windows 7 for 32-bit Systems
- Windows 7 for x64-based Systems
- Windows Server 2008 R2 for x64-based Systems
- Windows Server 2008 R2 for Itanium-based Systems
Vulnerability Identifier
Source
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