Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2009-0642

Improper Authentication

Published: Feb 20, 2009 | Modified: Apr 09, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
5 MODERATE
AV:N/AC:L/Au:N/C:N/I:P/A:N
RedHat/V3
Ubuntu
LOW
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2009-0642
CWEhttps://cwe.mitre.org/data/definitions/287.html

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.

Weakness

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Affected Software

NameVendorStart VersionEnd Version
RubyRuby-lang1.8 (including)1.8 (including)
RubyRuby-lang1.9 (including)1.9 (including)
Red Hat Enterprise Linux 4RedHatruby-0:1.8.1-7.el4_8.3*
Red Hat Enterprise Linux 5RedHatruby-0:1.8.5-5.el5_3.7*
Ruby1.8Ubuntudapper*
Ruby1.8Ubuntugutsy*
Ruby1.8Ubuntuhardy*
Ruby1.8Ubuntuintrepid*
Ruby1.8Ubuntujaunty*
Ruby1.8Ubuntuupstream*
Ruby1.9Ubuntudapper*
Ruby1.9Ubuntugutsy*
Ruby1.9Ubuntuhardy*
Ruby1.9Ubuntuintrepid*
Ruby1.9Ubuntujaunty*
Ruby1.9Ubuntuupstream*

Potential Mitigations

References

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