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Category:   Application (Forum/Board/Portal)  >   Drupal Vendors:
Drupal User Signature Input Validation Lets Remote Authenticated Users Execute Arbitrary Code
SecurityTracker Alert ID:  1022497
SecurityTracker URL:
CVE Reference:   CVE-2009-2372   (Links to External Site)
Updated:  Jul 27 2009
Original Entry Date:  Jul 2 2009
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 6.x prior to 6.13
Description:   A vulnerability was reported in Drupal. A remote authenticated user can execute arbitrary code on the target system.

A remote authenticated user can supply a specially crafted user signature value. If the administrator changes the format of a page that the user has commented on to a format with the PHP filter enabled, the remote user can load the page to execute execute arbitrary code on the target system. The code will run with the privileges of the web service.

Gerhard Killesreiter of the Drupal security team reported this vulnerability.

Impact:   A remote authenticated user can execute arbitrary code on the target system in certain cases.
Solution:   The vendor has issued a fix (6.13).

Patches are also available for 6.12.

The vendor's advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.

 Source Message Contents

[Original Message Not Available for Viewing]

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