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CVE-2009-0642

Date: February 18, 2009

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.

Language: C

Severity Score

Related Resources (16)

http://www.redhat.com/support/errata/RHSA-2009-1140.html
http://secunia.com/advisories/35699
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11450
http://www.mandriva.com/security/advisories?name=MDVSA-2009:193
http://secunia.com/advisories/35937
https://nvd.nist.gov/vuln/detail/CVE-2009-0642
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=513528
http://secunia.com/advisories/33750
http://www.ubuntu.com/usn/USN-805-1
https://people.canonical.com/~ubuntu-security/cve/CVE-2009-0642
https://exchange.xforce.ibmcloud.com/vulnerabilities/48761
http://www.securityfocus.com/bid/33769
http://www.securitytracker.com/id?1022505
https://access.redhat.com/security/cve/CVE-2009-0642
http://redmine.ruby-lang.org/issues/show/1091
https://www.mend.io/vulnerability-database/CVE-2009-0642

Severity Score

Weakness Type (CWE)

Improper Authentication

CWE-287

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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