CVE-2009-0161

Apple Mac OS X 10.5 - OCSP Certificate Validation Spoofing via Revoked Certificate

Title source: llm
STIX 2.1

Description

The OpenSSL::OCSP module for Ruby in Apple Mac OS X 10.5 before 10.5.7 misinterprets an unspecified invalid response as a successful OCSP certificate validation, which might allow remote attackers to spoof certificate authentication via a revoked certificate.

References (7)

Core 7
Core References
Patch, Vendor Advisory x_refsource_confirm
http://support.apple.com/kb/HT3549
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/35074
Patch, Vendor Advisory vendor-advisory x_refsource_apple
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/34926
US Government Resource third-party-advisory x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA09-133A.html
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2009/1297
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/50592

Scores

EPSS 0.0229
EPSS Percentile 81.2%

Details

CWE
CWE-20
Status published
Products (14)
apple/mac_os_x 10.5.0
apple/mac_os_x 10.5.1
apple/mac_os_x 10.5.2
apple/mac_os_x 10.5.3
apple/mac_os_x 10.5.4
apple/mac_os_x 10.5.5
apple/mac_os_x 10.5.6
apple/mac_os_x_server 10.4.11
apple/mac_os_x_server 10.5.0
apple/mac_os_x_server 10.5.1
... and 4 more
Published May 13, 2009
Tracked Since Feb 18, 2026