Remote code execution in Bitrix CMS Landing module



Published: 2023-09-22
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-362
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Landing
Web applications / Modules and components for CMS

Vendor Bitrix

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Race condition

EUVDB-ID: #VU81049

Risk: High

CVSSv3.1:

CVE-ID: N/A

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

Exploit availability: No

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Landing: 18.0.0 - 23.800.0

CPE2.3 External links

http://bdu.fstec.ru/vul/2023-05857
http://dev.1c-bitrix.ru/docs/versions.php?lang=ru&module=landing


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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