Race condition in Landing - #VU81049
Published: September 22, 2023
Vulnerability identifier: #VU81049
CSH Severity: High
CVSS v4.0: 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-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Bitrix
Affected software:
Landing
Landing
Detailed vulnerability description
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 updates from vendor's website.