high
7.5
CWE
22
Advisory Published
Updated

CVE-2015-6833: Path Traversal

First published: Tue Jan 19 2016(Updated: )

Directory traversal vulnerability in the PharData class in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allows remote attackers to write to arbitrary files via a .. (dot dot) in a ZIP archive entry that is mishandled during an extractTo call.

Credit: meissner@suse.de

Affected SoftwareAffected VersionHow to fix
PHP<=5.4.43
PHP=5.5.0
PHP=5.5.0-alpha1
PHP=5.5.0-alpha2
PHP=5.5.0-alpha3
PHP=5.5.0-alpha4
PHP=5.5.0-alpha5
PHP=5.5.0-alpha6
PHP=5.5.0-beta1
PHP=5.5.0-beta2
PHP=5.5.0-beta3
PHP=5.5.0-beta4
PHP=5.5.0-rc1
PHP=5.5.0-rc2
PHP=5.5.1
PHP=5.5.2
PHP=5.5.3
PHP=5.5.4
PHP=5.5.5
PHP=5.5.6
PHP=5.5.7
PHP=5.5.8
PHP=5.5.9
PHP=5.5.10
PHP=5.5.11
PHP=5.5.12
PHP=5.5.13
PHP=5.5.14
PHP=5.5.18
PHP=5.5.19
PHP=5.5.20
PHP=5.5.21
PHP=5.5.22
PHP=5.5.23
PHP=5.5.24
PHP=5.5.25
PHP=5.5.26
PHP=5.5.27
PHP=5.6.0-alpha1
PHP=5.6.0-alpha2
PHP=5.6.0-alpha3
PHP=5.6.0-alpha4
PHP=5.6.0-alpha5
PHP=5.6.0-beta1
PHP=5.6.0-beta2
PHP=5.6.0-beta3
PHP=5.6.0-beta4
PHP=5.6.1
PHP=5.6.2
PHP=5.6.3
PHP=5.6.4
PHP=5.6.5
PHP=5.6.6
PHP=5.6.7
PHP=5.6.8
PHP=5.6.9
PHP=5.6.10
PHP=5.6.11

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2015-6833?

    CVE-2015-6833 has a medium severity rating due to its potential to allow unauthorized access to arbitrary files on the server.

  • How can I mitigate CVE-2015-6833?

    To mitigate CVE-2015-6833, upgrade your PHP version to 5.4.44 or later, 5.5.28 or later, or 5.6.12 or later.

  • What systems are affected by CVE-2015-6833?

    CVE-2015-6833 affects PHP versions prior to 5.4.44, all 5.5.x versions prior to 5.5.28, and all 5.6.x versions prior to 5.6.12.

  • What type of attack does CVE-2015-6833 facilitate?

    CVE-2015-6833 facilitates directory traversal attacks, enabling attackers to write files outside of the intended directory.

  • Is CVE-2015-6833 present in PHP’s PharData class?

    Yes, CVE-2015-6833 is specifically a directory traversal vulnerability found in PHP's PharData class.

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