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TITLE:
Drupal Virtual Hosts Local File Inclusion

SECUNIA ADVISORY ID:
SA32389

VERIFY ADVISORY:
http://secunia.com/advisories/32389/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

SOFTWARE:
Drupal 5.x
http://secunia.com/advisories/product/13378/
Drupal 6.x
http://secunia.com/advisories/product/17839/

DESCRIPTION:
A vulnerability has been reported in Drupal, which can potentially be
exploited by malicious, local users to gain escalated privileges.

Input passed to unspecified parameters is not properly verified
before being used to include files. This can be exploited to include
specially named files from local resources and potentially escalate
privileges.

Successful exploitation requires that the web server is configured to
use virtual hosts.

The vulnerability is reported in all 5.x versions prior to 5.12 and
all 6.x versions prior to 6.6.

SOLUTION:
Update to version 5.12 or 6.6.

Apply the vendor's official patches to versions 5.11 or 6.5:

Drupal 5.11:
http://drupal.org/files/sa-2008-067/SA-2008-067-5.11.patch

Drupal 6.5:
http://drupal.org/files/sa-2008-067/SA-2008-067-6.5.patch

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Anthony Ferrara.

ORIGINAL ADVISORY:
DRUPAL-SA-2008-067:
http://drupal.org/node/324824

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