Input validation error in pfsense and pfSense Plus - CVE-2022-24299

 

Input validation error in pfsense and pfSense Plus - CVE-2022-24299

Published: March 15, 2022


Vulnerability identifier: #VU61367
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-24299
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary commands.

The vulnerability exists due to insufficient validation of user-supplied input within the data_ciphers parameter in the vpn_openvpn_server.php and vpn_openvpn_client.php pages. A remote user can pass specially crafted input to the application and execute arbitrary commands on the target system.


Affected software

pfsense
pfSense Plus

How to mitigate CVE-2022-24299

Install updates from vendor's website.

pfsense - update to 2.6.0
pfSense Plus - update to 22.01

External References

Related Security Bulletins