CVE-2009-0642 Information

Description

ext/openssl/ossl_ocsp.c in Ruby 1.8 and 1.9 does not properly check the return value from the OCSP_basic_verify function which might allow remote attackers to successfully present an invalid X.509 certificate possibly involving a revoked certificate.

Reference

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=513528 http://redmine.ruby-lang.org/issues/show/1091 http://secunia.com/advisories/33750 http://secunia.com/advisories/35699 http://secunia.com/advisories/35937 http://www.mandriva.com/security/advisories?name=MDVSA-2009:193 http://www.redhat.com/support/errata/RHSA-2009-1140.html http://www.securityfocus.com/bid/33769 http://www.securitytracker.com/id?1022505 http://www.ubuntu.com/usn/USN-805-1 https://exchange.xforce.ibmcloud.com/vulnerabilities/48761 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A11450