CVE-2009-0642

N/A Unknown
Published: February 20, 2009 Modified: April 23, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=513528
Source: af854a3a-2127-422b-91ae-364da2661108
http://redmine.ruby-lang.org/issues/show/1091
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
http://secunia.com/advisories/33750
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/35699
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/35937
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.mandriva.com/security/advisories?name=MDVSA-2009:193
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.redhat.com/support/errata/RHSA-2009-1140.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/33769
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id?1022505
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-805-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/48761
Source: af854a3a-2127-422b-91ae-364da2661108

24 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
1.0%
77th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

ruby-lang