#VU81928 Use-after-free in FortiOS and FortiProxy - CVE-2023-41675
Published: October 11, 2023
Vulnerability identifier: #VU81928
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-41675
CWE-ID: CWE-416
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 perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error within the Web proxy process. A remote non-authenticated attacker can send multiple specially crafted packets to the device and perform a denial of service (DoS) attack.
Successful exploitation of the vulnerability requires that SSL deep packet inspection is enabled.
Remediation
Install updates from vendor's website.