Vulnerability Details CVE-2009-0642
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.015
EPSS Ranking 80.1%
CVSS Severity
CVSS v2 Score 6.8
References
- 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/oval%3Aorg.mitre.oval%3Adef%3A11450
- 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/oval%3Aorg.mitre.oval%3Adef%3A11450