CVE-2022-31814: OS Command Injection
First published: Mon Sep 05 2022(Updated: )
pfSense pfBlockerNG through 2.1.4_26 allows remote attackers to execute arbitrary OS commands as root via shell metacharacters in the HTTP Host header. NOTE: 3.x is unaffected.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Netgate Pfblockerng | <=2.1.4_26 | |
| <=2.1.4_26 |
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Reference Links
- 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
- https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html
- https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/
- https://github.com/pfsense/FreeBSD-ports/pull/1169
- https://github.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e
Frequently Asked Questions
What is the vulnerability ID for this pfSense pfBlockerNG vulnerability?
The vulnerability ID for this pfSense pfBlockerNG vulnerability is CVE-2022-31814.
What is the severity of CVE-2022-31814?
The severity of CVE-2022-31814 is critical with a CVSS score of 9.8.
How does CVE-2022-31814 impact pfSense pfBlockerNG?
CVE-2022-31814 allows remote attackers to execute arbitrary OS commands as root via shell metacharacters in the HTTP Host header.
Which version of pfSense pfBlockerNG is affected by CVE-2022-31814?
Version 2.1.4_26 of pfSense pfBlockerNG is affected by CVE-2022-31814.
Is pfSense pfBlockerNG version 3.x affected by CVE-2022-31814?
No, pfSense pfBlockerNG version 3.x is unaffected by CVE-2022-31814.
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- vendor/netgate
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- version/netgate pfblockerng/2.1.4_26