CVE-2009-3291

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-09-22 · updated 2026-06-16
Weakness: CWE-20

Description

The php_openssl_apply_verification_policy function in PHP before 5.2.11 does not properly perform certificate validation, which has unknown impact and attack vectors, probably related to an ability to spoof certificates.

Affected products

PHP: through 5.2.10; 1.0, 2.0, 2.0b10, 3.0, 3.0.1, 3.0.2 (+105)

References

http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00004.html
http://marc.info/?l=bugtraq&m=127680701405735&w=2
http://marc.info/?l=bugtraq&m=130497311408250&w=2
http://secunia.com/advisories/36791
http://secunia.com/advisories/37482
http://secunia.com/advisories/40262
http://support.apple.com/kb/HT3937
http://www.debian.org/security/2009/dsa-1940
http://www.osvdb.org/58185
http://www.php.net/ChangeLog-5.php#5.2.11
http://www.php.net/releases/5_2_11.php

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