CVE-2009-0642

Ruby <1.9 - Info Disclosure

Title source: llm

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.

References (12)

[Issue Tracking] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=513528

[Exploit] http://redmine.ruby-lang.org/issues/show/1091

[Vendor Advisory] http://www.mandriva.com/security/advisories?name=MDVSA-2009:193

[Vendor Advisory] http://www.redhat.com/support/errata/RHSA-2009-1140.html

[Vendor Advisory] http://www.ubuntu.com/usn/USN-805-1

[Third Party Advisory, VDB Entry] https://exchange.xforce.ibmcloud.com/vulnerabilities/48761

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/33769

[Third Party Advisory, VDB Entry] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11450

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id?1022505

[Third Party Advisory] http://secunia.com/advisories/33750

[Third Party Advisory] http://secunia.com/advisories/35699

[Third Party Advisory] http://secunia.com/advisories/35937

Scores

EPSS 0.0097

EPSS Percentile 76.4%

Classification

CWE

CWE-287

Status draft

Affected Products (2)

ruby-lang/ruby

ruby-lang/ruby

Timeline

Published Feb 20, 2009

Tracked Since Feb 18, 2026