SB2023092214 - Remote code execution in Bitrix CMS Landing module
Published: September 22, 2023
Security Bulletin ID
SB2023092214
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: N/A)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a race condition within the REST API implementation in the Landing module, installed by default by the Bitrix Site Manager. A remote non-authenticated attacker can send a specially crafted HTTP request to the affected website and execute arbitrary OS commands on the system.
Remediation
Install update from vendor's website.