CVE-2009-0127

M2Crypto does not properly check the return value from the OpenSSL EVP_VerifyFinal, DSA_verify, ECDSA_verify, DSA_do_verify, and ECDSA_do_verify functions, which might allow remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077. NOTE: a Linux vendor disputes the relevance of this report to the M2Crypto product because "these functions are not used anywhere in m2crypto.

🔗 References (6)

• cve@mitrehttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511515
• cve@mitrehttp://openwall.com/lists/oss-security/2009/01/12/4
• cve@mitrehttps://bugzilla.redhat.com/show_bug.cgi?id=479676
• af854a3a-2127-422b-91ae-364da2661108http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=511515
• af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2009/01/12/4
• af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=479676