Out-of-bounds write in FortiOS and FortiProxy - CVE-2023-22639
Published: June 13, 2023
Vulnerability identifier: #VU77180
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-2023-22639
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Fortinet, Inc
Affected software:
FortiOS
FortiProxy
FortiOS
FortiProxy
Detailed vulnerability description
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.
How to mitigate CVE-2023-22639
Install updates from vendor's website.