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Microsoft .NET Framework XML HMAC Truncation Vulnerability (981343)

Information

Severity

Severity

Medium

Family

Family

Windows : Microsoft Bulletins

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

13 years ago

Modified

Modified

4 years ago

Summary

This host is missing a critical security update according to Microsoft Bulletin MS10-041.

Insight

Insight

The issue is caused by an error in the XML Signature Syntax and Processing (XMLDsig) implementation that rely on the 'HMACOutputLength' parameter to determine the number of bytes of the signature to be verified.

Affected Software

Affected Software

Microsoft .NET Framework 3.5/SP 1 Microsoft .NET Framework 1.1 SP 1 Microsoft .NET Framework 1.0 SP 3 Microsoft .NET Framework 2.0 SP 1/SP 2

Solution

Solution

The vendor has released updates. Please see the references for more information.

Common Vulnerabilities and Exposures (CVE)