Out-of-bounds write in FortiProxy and FortiOS - CVE-2023-22639
Published: June 13, 2023
Vulnerability identifier: #VU77180
CSH Severity: Low
CVSS v4: 8.4 [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]
CVE-ID: CVE-2023-22639
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the device.
The vulnerability exists due to a boundary error within CLI. A local user can pass specially crafted arguments to the affected command to trigger an out-of-bounds write and execute arbitrary code on the target system.
Affected software
FortiProxy
RUGGEDCOM APE1808
FortiOS
RUGGEDCOM APE1808
FortiOS
How to mitigate CVE-2023-22639
Install updates from vendor's website.
FortiProxy - addressed in versions 7.0.9, 7.2.3
FortiOS - addressed in versions 6.4.13, 7.0.11, 7.2.4
FortiOS - addressed in versions 6.4.13, 7.0.11, 7.2.4