Arbitrary code execution in Drupal Drupal

1) Arbitrary code execution

EUVDB-ID: #VU560

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

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.

Mitigation

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

Vulnerable software versions

Drupal: 4.7.0 - 5.0

CPE2.3

• cpe:2.3:a:drupal:drupal:4.7.6:*:*:*:*:*:*:*
• cpe:2.3:a:drupal:drupal:5.0:*:*:*:*:*:*:*

External links

http://www.drupal.org/node/113935

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.