Sun Fire T2000 incorrect DSA signature verification

sunfire-incorrect-signature-verification (28201) The risk level is classified as LowLow Risk

Description:

Sun Fire T2000 servers running Sun Solaris incorrectly verify DSA signatures in certain cases. This would result in weaker than expected security and could allow a local or remote attacker to cause applications to trust malicious data.

Platforms Affected:

  • Sun, Fire T2000 Server

Remedy:

Refer to Sun Alert ID: 102543 for patch or upgrade information. See References.

Consequences:

Other

References:

  • Sun Alert ID: 102543, Security Vulnerability on Sun Fire T2000 With Solaris 10 (3/05 HW2) at http://sunsolve.sun.com/search/document.do?assetkey=1-26-102543-1.
  • BID-19291: Sun Fire T2000 Incorrect DSA Signature Verification Vulnerability
  • CVE-2006-3968: The crypto provider in Sun Solaris 10 3/05 HW2 without patch 121236-01, when running on Sun Fire T2000 platforms, incorrectly verifies a DSA signature, which might prevent applications from detecting that the data has been modified.
  • SA21279: Sun Fire T2000 Incorrect DSA Signature Verification
  • SECTRACK ID: 1016625: Sun Fire T2000 Does Not Properly Detect Invalid DSA Signatures
  • VUPEN/ADV-2006-3103: Sun Fire T2000 Crypto Provider DSA Signature Validation Security Bypass Vulnerability

Reported:

Aug 01, 2006

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