#VU87497 Out-of-bounds write in FortiOS and FortiProxy - CVE-2023-42789
Published: March 13, 2024
Vulnerability identifier: #VU87497
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-42789
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
FortiOS
FortiProxy
FortiOS
FortiProxy
Software vendor:
Fortinet, Inc
Fortinet, Inc
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in captive portal. A remote attacker can send specially crafted HTTP requests to the affected device, trigger an out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.