Arbitrary code execution in Drupal - #VU560

Vulnerability identifier: #VU560

CSH Severity: High

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Amber

CVE-ID: N/A

CWE-ID: CWE-284

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
Drupal

Software vendor:
Drupal

The vulnerability allows authenticated user to cause arbitary code execution on the target system.
The weakness exists due to validation errors. Attackers can get "post comments" permission and access to more than one input filter that allows them to execute arbitrary code.
Successful exploiatation of the vulnerability leads to arbitrary code execution on the vulnerable system.

Update 4.7.x to 4.7.6.
http://ftp.osuosl.org/pub/drupal/files/projects/drupal-4.7.6.tar.gz
Update 5.x to 5.1.
http://ftp.osuosl.org/pub/drupal/files/projects/drupal-5.1.tar.gz

• https://www.drupal.org/node/113935