high
7.5
CWE
20
Advisory Published
Updated

CVE-2009-3291: Input Validation

First published: Tue Sep 22 2009(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
PHP=4.3.9
PHP=4.4.9
PHP=3.0
PHP=5.2.9
PHP=4.0-beta1
PHP=3.0.5
PHP=3.0.11
PHP=5.1.5
PHP=5.1.2
PHP=4.0-beta4
PHP=4.2.0
PHP=5.1.1
PHP=3.0.1
PHP=3.0.2
PHP=4.4.4
PHP=5.0.0-beta1
PHP=4.1.0
PHP=5.1.6
PHP=4.3.4
PHP=4.0.4
PHP=4.3.0
PHP=4.0.5
PHP=5.0-rc1
PHP=5.2.7
PHP=5.2.2
PHP=3.0.8
PHP=5.0.5
PHP=4.3.6
PHP=3.0.13
PHP=5.0.1
PHP=4.0.7-rc4
PHP=5.1.4
PHP=5.2.5
PHP=4.0.7-rc2
PHP=4.3.7
PHP=5.0.4
PHP=4.0.7-rc1
PHP=4.2.2
PHP<=5.2.10
PHP=4.4.2
PHP=4.0-rc1
PHP=3.0.7
PHP=4.3.2
PHP=4.3.11
PHP=4.0.0
PHP=3.0.6
PHP=4.0.3-patch1
PHP=3.0.17
PHP=4.0.7
PHP=4
PHP=4.0.2
PHP=4.3.3
PHP=5.0-rc3
PHP=2.0
PHP=4.1.1
PHP=3.0.15
PHP=3.0.16
PHP=5.2.6
PHP=4.4.3
PHP=5.0.0-rc2
PHP=5.2.3
PHP=5.0.3
PHP=3.0.10
PHP=3.0.4
PHP=4.2.3
PHP=5.1.0
PHP=4.4.5
PHP=4.0.1-patch1
PHP=5.0.0-rc3
PHP=4.0
PHP=4.0-beta2
PHP=4.0.1-patch2
PHP=2.0b10
PHP=4.4.8
PHP=4.0.6
PHP=5.2.0
PHP=5.0-rc2
PHP=5.2.4
PHP=4.1.2
PHP=5.0.0-beta3
PHP=4.0.7-rc3
PHP=4.0-rc2
PHP=4.3.1
PHP=5.1.3
PHP=3.0.18
PHP=4.0-beta_4_patch1
PHP=4.4.0
PHP=4.3.10
PHP=4.2.1
PHP=5.0.0-rc1
PHP=4.0.4-patch1
PHP=4.0.1
PHP=1.0
PHP=5.0.2
PHP=4.4.6
PHP=3.0.12
PHP=4.2
PHP=4.4.1
PHP=4.0-beta3
PHP=5.2.1
PHP=4.0.3
PHP=3.0.14
PHP=3.0.9
PHP=3.0.3
PHP=5.0.0-beta4
PHP=5
PHP=5.0.0
PHP=4.3.8
PHP=4.3.5
PHP=5.0.0-beta2
PHP=5.2.8
PHP=4.4.7

Remedy

http://www.php.net/ChangeLog-5.php#5.2.11

Remedy

http://www.php.net/releases/5_2_11.php

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2009-3291?

    CVE-2009-3291 has an unknown impact but is likely to be serious due to improper certificate validation.

  • How do I fix CVE-2009-3291?

    To fix CVE-2009-3291, upgrade PHP to version 5.2.11 or later.

  • What versions of PHP are affected by CVE-2009-3291?

    CVE-2009-3291 affects PHP versions from 3.0 up to 5.2.10.

  • What vulnerability does CVE-2009-3291 address?

    CVE-2009-3291 addresses improper certificate validation in PHP's php_openssl_apply_verification_policy function.

  • Is CVE-2009-3291 related to certificate spoofing attacks?

    Yes, CVE-2009-3291 is likely related to the ability to spoof certificates due to its validation weaknesses.

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