National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2009-0642 Detail

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.

Source:  MITRE
Description Last Modified:  02/20/2009

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6

Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=513528
http://redmine.ruby-lang.org/issues/show/1091 Exploit
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

References to Check Content

Identifier:
oval:org.mitre.oval:def:11450
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:11450

Technical Details

Vulnerability Type (View All)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-0642
NVD Published Date:
02/20/2009
NVD Last Modified:
09/28/2017