#VU23682 Arbitrary file upload in Drupal 

 

#VU23682 Arbitrary file upload in Drupal

Published: December 19, 2019


Vulnerability identifier: #VU23682
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: N/A
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Drupal
Software vendor:
Drupal

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to usage of vulnerable Archive_Tar library. If Drupal is configured to allow .tar, .tar.gz, .bz2 or .tlz file uploads, a remote attacker can upload and execute arbitrary PHP code on the system.


Remediation

Install updates from vendor's website.

External links