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>> Microsoft Windows LSASS Denial of Service Vulnerability (MS09-059)

Title : Microsoft Windows LSASS Denial of Service Vulnerability (MS09-059)
VUPEN ID : VUPEN/ADV-2009-2894
CVE ID : CVE-2009-2524
CWE ID : VUPEN VNS Only
CVSS V2 : VUPEN VNS Only
Rated as : Moderate Risk 
Remotely Exploitable : Yes
Locally Exploitable : Yes
Release Date : 2009-10-13


Technical Description    Receive VUPEN Security alerts in a Text format  Receive VUPEN Security alerts in a PDF format  Receive VUPEN Security alerts in an XML format 

A vulnerability has been identified Microsoft Windows, which could be exploited by remote attackers to cause a denial of service. This issue is caused by an integer underflow error in the Windows NTLM implementation in LSASS (Local Security Authority Subsystem Service) when processing malformed packets during the authentication process, which could allow attackers to cause an affected system to automatically reboot.

Affected Products

Microsoft Windows XP Service Pack 2
Microsoft Windows XP Service Pack 3
Microsoft Windows XP Professional x64 Edition Service Pack 2
Microsoft Windows Server 2003 Service Pack 2
Microsoft Windows Server 2003 x64 Edition Service Pack 2
Microsoft Windows Server 2003 SP2 (Itanium)
Microsoft Windows Vista
Microsoft Windows Vista Service Pack 1
Microsoft Windows Vista Service Pack 2
Microsoft Windows Vista x64 Edition
Microsoft Windows Vista x64 Edition Service Pack 1
Microsoft Windows Vista x64 Edition Service Pack 2
Microsoft Windows Server 2008 for (32-bit)
Microsoft Windows Server 2008 for (32-bit) Service Pack 2
Microsoft Windows Server 2008 for (x64)
Microsoft Windows Server 2008 for (x64) Service Pack 2
Microsoft Windows Server 2008 for (Itanium)
Microsoft Windows Server 2008 for (Itanium) Service Pack 2
Microsoft Windows Server 2008 R2 (x64)
Microsoft Windows Server 2008 R2 (Itanium)
Microsoft Windows 7 for (32-bit)
Microsoft Windows 7 for (x64-based Systems)

Solution

Apply patches :
http://www.microsoft.com/technet/security/bulletin/MS09-059.mspx

References

http://www.vupen.com/english/advisories/2009/2894
http://www.microsoft.com/technet/security/bulletin/MS09-059.mspx

Credits

Vulnerability reported by the vendor.

ChangeLog

2009-10-13 : Initial release

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