Paper/Archive/CVE-2022-31814

CVE-2022-31814

netgate pfblockerng — pfSense pfBlockerNG through 2.1.4_26 allows remote attackers to execute arbitrary OS commands as root via shell metacharacters in the HTT…

EPSS 92%public exploit CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD, ADP agree)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 99.8.998 × 2020.0 Exploit: SSVC poc+1010.0 SSVC exploitation: poc+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

n/an/a–CNA

pfblockerng2.1.4_26–CISA-ADP

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

refdocs.netgate.com/pfsense/en/latest/packages/pfblocker.html refihteam.net/advisory/pfblockerng-unauth-rce-vulnerability refpacketstormsecurity.com/files/168743/pfSense-pfBlockerNG-2.1.4_26-Shell-Upload.html refpacketstormsecurity.com/files/171123/pfBlockerNG-2.1.4_26-Remote-Code-Execution.html refgithub.com/pfsense/FreeBSD-ports/pull/1169 refgithub.com/pfsense/FreeBSD-ports/pull/1169/commits/071bdcf2d918c3e51cde11cf81fbd9b6f0379d7e