PT-2013-64: Access Control Bypassing in Bitrix CMS
Version: 12.5.7 and earlier
Severity level: Medium
Impact: Integrity Violation
Access Vector: Local
Base Score: 4.6
CVE: not assigned
Bitrix CMS is a professional web content management system.
The specialists of the Positive Research center have detected an Access Control Bypassing vulnerability in Bitrix CMS.
This vulnerability has been discovered in the integrity check mechanism of the "Script Integrity Monitor", which allows an attacker to forge the integrity check mechanism and modify files in the system, bypassing access control mechanisms.
How to fix
Update your software up to the latest version.
04.09.2013 - Vendor gets vulnerability details
06.09.2013 - Vendor releases fixed version and details
15.07.2014 - Public disclosure
The vulnerability was detected by Timur Yunusov, Positive Research Center (Positive Technologies Company)
Reports on the vulnerabilities previously discovered by Positive Research: