Intrusion Prevention

MS.Windows.X509.Common.Name.Spoofing

Description

This indicates an attempt to exploit a Certificate Spoofing vulnerability in Microsoft Windows.
The vulnerability is caused by an error that occurs when the vulnerable software handles a spoofed certificate. It allows a remote attacker to spoof a certificate without any indication to the user.

Affected Products

Microsoft Windows 2000 Service Pack 4
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, 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

Impact

Information Spoofing.

Recommended Actions

Refer to the vendor's web site for a suggested workaround.
http://www.microsoft.com/technet/security/Bulletin/ms09-056.mspx

CVE References

CVE-2009-2510