XML.Signature.HMAC.Truncation.Authentication.Bypass
Description
This indicates an attack attempt to exploit an authentication-bypass vulnerability in multiple products.
The vulnerability is caused by the improper way that the W3C XML Signature Syntax and Processing (XMLDsig) recommendation. It could allow an attacker to tamper with signed XML content without being detected.
Affected Products
Microsoft .NET Framework 1.1 Service Pack 1
Microsoft .NET Framework 1.0 Service Pack 3
Microsoft .NET Framework 2.0 Service Pack 1
Microsoft .NET Framework 2.0 Service Pack 2
Microsoft .NET Framework 3.5
Microsoft .NET Framework 3.5 Service Pack 1
Microsoft .NET Framework 3.5.1
Other products may also be affected.
Impact
Security Bypass: Remote attackers can bypass security checking of vulnerable systems.
Recommended Actions
Apply the patch, available from the vendor's web site:
http://www.microsoft.com/technet/security/Bulletin/MS10-041.mspx
Telemetry
Coverage
IPS (Regular DB) | |
IPS (Extended DB) |