Internet Systems Consortium (ISC) BIND 9.6.0 and earlier does not properly check the return value from the OpenSSL EVP_VerifyFinal function, which allows remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077 and CVE-2009-0025.

References

• https://nvd.nist.gov/vuln/detail/CVE-2009-0265
• https://www.isc.org/node/373
• http://groups.google.com/group/comp.protocols.dns.bind/browse_thread/thread/49ef622c8329fd33
• http://secunia.com/advisories/33559
• http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.540362
• http://www.mandriva.com/security/advisories?name=MDVSA-2009:037
• http://www.vupen.com/english/advisories/2009/0043