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XML Signature HMAC Truncation Authentication Bypass Vulnerability

oval:org.mitre.oval:def:7158

The design of the W3C XML Signature Syntax and Processing (XMLDsig) recommendation as implemented in products including (1) the Oracle Security Developer Tools component in Oracle Application Server 10.1.2.3 10.1.3.4 and 10.1.4.3IM; (2) the WebLogic Server component in BEA Product Suite 10.3 10.0 MP1 9.2 MP3 9.1 9.0 and 8.1 SP6; (3) Mono before 2.4.2.2; (4) XML Security Library before 1.2.12; (5) IBM WebSphere Application Server Versions 6.0 through 6.0.2.33 6.1 through 6.1.0.23 and 7.0 through 7.0.0.1; (6) Sun JDK and JRE Update 14 and earlier; (7) Microsoft .NET Framework 3.0 through 3.0 SP2 3.5 and 4.0; and other products uses a parameter that defines an HMAC truncation length (HMACOutputLength) but does not require a minimum for this length which allows attackers to spoof HMAC-based signatures and bypass authentication by specifying a truncation length with a small number of bits.

Family:
windows
Status:
ACCEPTED
Platform(s):
  • Microsoft Windows Server 2003
  • Microsoft Windows Vista
  • Microsoft Windows Server 2008
  • Microsoft Windows Server 2008 R2
  • Microsoft Windows XP
  • Microsoft Windows 7
  • Microsoft Windows 2000
Class:
vulnerability
Reference(s):
  • CVE-2009-0217
Product(s):
  • Microsoft .NET Framework