#VU83966 OS Command Injection in ModSecurity

Vulnerability identifier: #VU83966

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-78

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
ModSecurity
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Trustwave

Description

The vulnerability allows a local user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation when handling SecRule content. A local user can create a specially crafted SecRule and execute arbitrary OS commands on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

ModSecurity: 3.0.0 - 3.0.10

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External links
https://github.com/SpiderLabs/ModSecurity/releases/tag/v3.0.11

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.