#VU78112 Stack-based buffer overflow in FortiOS and FortiProxy - CVE-2023-33308
Published: July 11, 2023
Vulnerability identifier: #VU78112
Vulnerability risk: Critical
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:Red
CVE-ID: CVE-2023-33308
CWE-ID: CWE-121
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 execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing specially crafted packets. A remote unauthenticated attacker can send specially crafted packets to the device having proxy policies or firewall policies with proxy mode alongside SSL deep packet inspection, trigger a stack-based buffer overflow and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.