https://issues.apache.org/bugzilla/show_bug.cgi?id=47527

           Summary: XML signature HMAC truncation authentication bypass
           Product: Security
           Version: C++ 1.5.0
          Platform: All
               URL: http://www.kb.cert.org/vuls/id/466161
        OS/Version: All
            Status: NEW
          Severity: blocker
          Priority: P1
         Component: C++ Signature
        AssignedTo: [email protected]
        ReportedBy: [email protected]


Apache XML Security (C++) is affected by the vulnerability published in US-Cert
VU #466161. See: http://www.kb.cert.org/vuls/id/466161 for more information.
This bug can allow an attacker to bypass authentication by inserting/modifying
a small HMAC truncation length parameter in the XML Signature HMAC based
SignatureMethod algorithms.

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