medium
5
CWE
264
Advisory Published
Updated

CVE-2009-3557

First published: Mon Nov 23 2009(Updated: )

The tempnam function in ext/standard/file.c in PHP before 5.2.12 and 5.3.x before 5.3.1 allows context-dependent attackers to bypass safe_mode restrictions, and create files in group-writable or world-writable directories, via the dir and prefix arguments.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
PHP=4.4.9
PHP=3.0
PHP=4.0-beta1
PHP=3.0.5
PHP=3.0.11
PHP=4.0-beta4
PHP=4.2.0
PHP=5.1.1
PHP=3.0.1
PHP=3.0.2
PHP=4.1.0
PHP=4.0.4
PHP=4.3.0
PHP=4.0.5
PHP=3.0.8
PHP=3.0.13
PHP=5.2.5
PHP=4.3.7
PHP=4.2.2
PHP=4.4.2
PHP=3.0.7
PHP=4.3.2
PHP=4.3.11
PHP=4.0.0
PHP=3.0.6
PHP=3.0.17
PHP=4.0.7
PHP=4.0.2
PHP=2.0
PHP=4.1.1
PHP=3.0.15
PHP=3.0.16
PHP=5.2.6
PHP=5.3.0
PHP=5.0.3
PHP=3.0.10
PHP=3.0.4
PHP=4.2.3
PHP<=5.2.11
PHP=4.0
PHP=4.0-beta2
PHP=2.0b10
PHP=4.4.8
PHP=4.0.6
PHP=4.1.2
PHP=4.3.1
PHP=3.0.18
PHP=4.0-beta_4_patch1
PHP=5.2.10
PHP=4.3.10
PHP=4.2.1
PHP=4.0.1
PHP=1.0
PHP=3.0.12
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=5.0.0
PHP=4.4.7

Remedy

http://www.openwall.com/lists/oss-security/2009/11/20/2

Remedy

http://www.openwall.com/lists/oss-security/2009/11/20/3

Remedy

http://www.openwall.com/lists/oss-security/2009/11/20/5

Remedy

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

Remedy

http://www.php.net/releases/5_3_1.php

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2009-3557?

    CVE-2009-3557 is classified as a moderate severity vulnerability that can allow attackers to bypass safe_mode restrictions in PHP.

  • How do I fix CVE-2009-3557?

    To mitigate CVE-2009-3557, upgrade PHP to version 5.2.12 or 5.3.1 or later.

  • How does CVE-2009-3557 affect PHP applications?

    CVE-2009-3557 allows context-dependent attackers to create files in inappropriate directories, which can lead to unauthorized access.

  • What PHP versions are affected by CVE-2009-3557?

    CVE-2009-3557 affects PHP versions before 5.2.12 and 5.3.x before 5.3.1.

  • Can CVE-2009-3557 lead to further vulnerabilities?

    Yes, exploiting CVE-2009-3557 could potentially lead to additional vulnerabilities such as arbitrary file upload or command execution.

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