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Category:   Application (Forum/Board/Portal)  >   Drupal Vendors:   drupal.org
Drupal Form API Flaw Lets Remote Users Execute Arbitrary Code on the Target System
SecurityTracker Alert ID:  1040598
SecurityTracker URL:  http://securitytracker.com/id/1040598
CVE Reference:   CVE-2018-7600   (Links to External Site)
Updated:  Apr 13 2018
Original Entry Date:  Mar 29 2018
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 6.x, 7.x, 8.x
Description:   A vulnerability was reported in Drupal. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted data to trigger a flaw in the processing of renderable arrays in the Form API and cause the target system to render the user-supplied data and execute arbitrary code on the target system.

Multiple subsystems are affected.

Demonstration exploit code is available at:

https://github.com/a2u/CVE-2018-7600

Jasper Mattsson reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fix (7.58, 8.5.1).

A patch is also available for versions 8.3.9 and 8.4.6.

The vendor advisory is available at:

https://www.drupal.org/sa-core-2018-002

Vendor URL:  www.drupal.org/sa-core-2018-002 (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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