Input validation error in pfsense - CVE-2019-16915
Published: September 27, 2019 / Updated: June 10, 2020
Vulnerability identifier: #VU21374
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-16915
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to read and write arbitrary files on the system.
The vulnerability exists due to insufficient validation of user-supplied input in "/widgets/widgets/picture.widget.php" when processing data passed via the "widgetkey" parameter. A remote attacker authenticated attacker can read and write arbitrary files on the system.
Affected software
pfsense
How to mitigate CVE-2019-16915
Install update from vendor's website.
pfsense - update to 2.4.5