Main Vulnerability Database Vulnerabilities #VU61366

Improper access control in pfsense and pfSense Plus - CVE-2022-26019

Published: March 15, 2022

Vulnerability identifier: #VU61366

CSH Severity: Low

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-26019

CWE-ID: CWE-284

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in services_ntpd_gps.php. A remote administrator can rewrite existing files on the file system and execute arbitrary code on the target system.

Affected software

pfsense
pfSense Plus

How to mitigate CVE-2022-26019

Install updates from vendor's website.

pfsense - update to 2.6.0
pfSense Plus - update to 22.01

External References

https://jvn.jp/en/jp/JVN87751554/index.html
https://docs.netgate.com/downloads/pfSense-SA-22_01.webgui.asc

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