Buffer overflow in FortiOS - CVE-2021-43072
Published: July 5, 2022
Vulnerability identifier: #VU64934
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-43072
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within "execute restore image" and "execute certificate remote" CLI commands. A local user can trigger buffer overflow and execute arbitrary code with elevated privileges.
Affected software
FortiOS
FortiProxy
FortiManager
FortiAnalyzer
FortiProxy
FortiManager
FortiAnalyzer
How to mitigate CVE-2021-43072
Install updates from vendor's website.
FortiOS - addressed in versions 6.2.11, 6.4.9, 7.0.6
FortiProxy - addressed in versions 2.0.9, 7.0.4
FortiManager - addressed in versions 6.4.8, 7.0.3
FortiAnalyzer - addressed in versions 6.4.8, 7.0.3
FortiProxy - addressed in versions 2.0.9, 7.0.4
FortiManager - addressed in versions 6.4.8, 7.0.3
FortiAnalyzer - addressed in versions 6.4.8, 7.0.3