#VU84088 OS Command Injection in pfBlocker-NG - CVE-2022-31814
Published: December 12, 2023 / Updated: October 25, 2024
pfBlocker-NG
Netgate
Description
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.
Remediation
External links
- https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/
- https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html
- http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.html
- http://packetstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html