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CVE-2022-31814

Date: September 4, 2022

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.

Language: PHP

Severity Score

9.8

Related Resources (8)

Url: http://packetstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.html

Url: https://docs.netgate.com/pfsense/en/latest/packages/pfblocker.html

Url: https://github.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e

Url: https://nvd.nist.gov/vuln/detail/CVE-2022-31814

Url: https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/

Url: https://github.com/pfsense/FreeBSD-ports/pull/1169

Url: http://packetstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html

Url: https://www.mend.io/vulnerability-database/CVE-2022-31814

Severity Score

9.8

Weakness Type (CWE)

OS Command Injections

CWE-78

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

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