OS Command Injection in pfBlocker-NG - CVE-2022-40624
Published: December 12, 2023
Vulnerability identifier: #VU84089
CSH Severity: Critical
CVSS v4: 9.3 [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]
CVE-ID: CVE-2022-40624
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation when processing HTTP Host header. A remote unauthenticated attacker can send a specially crafted HTTP request to the affected system and execute arbitrary OS commands.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
pfBlocker-NG
How to mitigate CVE-2022-40624
Install updates from vendor's website.