medium
6.8
CWE
264
Advisory Published
Updated

CVE-2009-3558

First published: Mon Nov 23 2009(Updated: )

The posix_mkfifo function in ext/posix/posix.c in PHP before 5.2.12 and 5.3.x before 5.3.1 allows context-dependent attackers to bypass open_basedir restrictions, and create FIFO files, via the pathname and mode arguments, as demonstrated by creating a .htaccess file.

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<=5.2.10
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=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=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
PHP=4.4.9

Remedy

http://svn.php.net/viewvc?view=revision&revision=288943

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

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2009-3558?

    CVE-2009-3558 has a medium severity rating, allowing attackers to bypass open_basedir restrictions.

  • How do I fix CVE-2009-3558?

    To fix CVE-2009-3558, upgrade PHP to version 5.2.12 or later, or 5.3.1 or later.

  • What versions of PHP are affected by CVE-2009-3558?

    CVE-2009-3558 affects PHP versions prior to 5.2.12 and 5.3.1, including 4.x and 3.x versions.

  • Is CVE-2009-3558 exploitable in production environments?

    Yes, CVE-2009-3558 is exploitable in production environments where open_basedir restrictions are in place.

  • What types of attacks can CVE-2009-3558 facilitate?

    CVE-2009-3558 can facilitate the creation of FIFO files, allowing unauthorized file access or modification.

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Resources

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