medium
6
CWE
20
Advisory Published
Updated

CVE-2012-5653: Input Validation

First published: Thu Jan 03 2013(Updated: )

The file upload feature in Drupal 6.x before 6.27 and 7.x before 7.18 allows remote authenticated users to bypass the protection mechanism and execute arbitrary PHP code via a null byte in a file name.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Drupal=7.0
Drupal=7.0-alpha1
Drupal=7.0-alpha2
Drupal=7.0-alpha3
Drupal=7.0-alpha4
Drupal=7.0-alpha5
Drupal=7.0-alpha6
Drupal=7.0-alpha7
Drupal=7.0-beta1
Drupal=7.0-beta2
Drupal=7.0-beta3
Drupal=7.0-dev
Drupal=7.0-rc1
Drupal=7.0-rc2
Drupal=7.0-rc3
Drupal=7.0-rc4
Drupal=7.1
Drupal=7.2
Drupal=7.3
Drupal=7.4
Drupal=7.5
Drupal=7.6
Drupal=7.7
Drupal=7.8
Drupal=7.9
Drupal=7.10
Drupal=7.11
Drupal=7.12
Drupal=7.13
Drupal=7.14
Drupal=7.15
Drupal=7.16
Drupal=7.17
Drupal=7.x-dev
Debian Linux=6.0
Debian Linux=7.0
Drupal=6.0
Drupal=6.0-beta1
Drupal=6.0-beta2
Drupal=6.0-beta3
Drupal=6.0-beta4
Drupal=6.0-dev
Drupal=6.0-rc1
Drupal=6.0-rc2
Drupal=6.0-rc3
Drupal=6.0-rc4
Drupal=6.1
Drupal=6.2
Drupal=6.3
Drupal=6.4
Drupal=6.5
Drupal=6.6
Drupal=6.7
Drupal=6.8
Drupal=6.9
Drupal=6.10
Drupal=6.11
Drupal=6.12
Drupal=6.13
Drupal=6.14
Drupal=6.15
Drupal=6.16
Drupal=6.17
Drupal=6.18
Drupal=6.19
Drupal=6.20
Drupal=6.21
Drupal=6.22
Drupal=6.23
Drupal=6.24
Drupal=6.25
Drupal=6.26

Remedy

http://drupal.org/SA-CORE-2012-004

Remedy

http://drupalcode.org/project/drupal.git/commitdiff/b47f95d

Remedy

http://drupalcode.org/project/drupal.git/commitdiff/da8023a

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-5653?

    CVE-2012-5653 is rated as a medium severity vulnerability due to its ability to allow remote authenticated users to execute arbitrary PHP code.

  • How do I fix CVE-2012-5653?

    To fix CVE-2012-5653, upgrade your Drupal installation to version 6.27 or 7.18 or later.

  • Who is affected by CVE-2012-5653?

    CVE-2012-5653 affects users of Drupal versions 6.x before 6.27 and 7.x before 7.18.

  • What types of attacks can be conducted using CVE-2012-5653?

    CVE-2012-5653 allows attackers to upload files with null byte characters in the name, enabling them to execute arbitrary PHP code.

  • Is there a workaround for CVE-2012-5653?

    No official workaround is available for CVE-2012-5653; upgrading to the latest version of Drupal is the recommended mitigation.

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