Command injection in FortiOS - CVE-2017-14187

 

Command injection in FortiOS - CVE-2017-14187

Published: May 25, 2018 / Updated: May 28, 2018


Vulnerability identifier: #VU13019
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-14187
CWE-ID: CWE-77
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Fortinet, Inc
Affected software:
FortiOS

Detailed vulnerability description

The vulnerability allows a local high-privileged attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper privileges and access controls. A local administrative attacker with super_admin privileges and with a connected USB drive can link the aforementioned binary to a command that is allowed to be run by the fnsysctl CLI command and execute an arbitrary binary contained on an USB drive plugged to a FortiGate.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2017-14187

Update to version 5.4.9 or 5.6.3.

Sources