SB2023092214 - Remote code execution in Bitrix CMS Landing module

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Main Vulnerability Database SB2023092214

SB2023092214 - Remote code execution in Bitrix CMS Landing module

Published: September 22, 2023

Security Bulletin ID SB2023092214
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Race condition (CVE-ID: N/A)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: 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


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.

References