medium
6.8
CWE
310
Advisory Published
Updated

CVE-2013-6386

First published: Sat Dec 07 2013(Updated: )

Drupal 6.x before 6.29 and 7.x before 7.24 uses the PHP mt_rand function to generate random numbers, which uses predictable seeds and allows remote attackers to predict security strings and bypass intended restrictions via a brute force attack.

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=7.18
Drupal=7.19
Drupal=7.20
Drupal=7.21
Drupal=7.22
Drupal=7.23
Drupal=7.x-dev
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
Drupal=6.27
Drupal=6.28

Remedy

https://drupal.org/SA-CORE-2013-003

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2013-6386?

    CVE-2013-6386 has a moderate severity rating due to its potential for remote attackers to predict security strings.

  • How do I fix CVE-2013-6386?

    To fix CVE-2013-6386, update Drupal to version 6.29 or 7.24 or later.

  • What versions of Drupal are affected by CVE-2013-6386?

    CVE-2013-6386 affects Drupal versions 6.x before 6.29 and 7.x before 7.24.

  • What could an attacker gain by exploiting CVE-2013-6386?

    An attacker exploiting CVE-2013-6386 could potentially bypass intended restrictions using brute force techniques.

  • Is there a workaround for CVE-2013-6386?

    There is no official workaround for CVE-2013-6386 other than upgrading to the patched versions of Drupal.

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