Format string error in FortiOS and FortiProxy - CVE-2022-43953

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Main Vulnerability Database Vulnerabilities #VU77182

Format string error in FortiOS and FortiProxy - CVE-2022-43953

Published: June 13, 2023


Vulnerability identifier: #VU77182
CSH Severity: Low
CVSS v4: 8.4 [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]
CVE-ID: CVE-2022-43953
CWE-ID: CWE-134
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the device.

The vulnerability exists due to a format string error in fortiguard-resources CLI command. A local user can pass specially crafted argument to the affected CLI command and execute arbitrary code on the target system.



Affected software

FortiOS
FortiProxy
RUGGEDCOM APE1808

How to mitigate CVE-2022-43953

Install updates from vendor's website.

FortiOS - addressed in versions 6.4.13, 7.0.12, 7.2.5
FortiProxy - addressed in versions 7.0.8, 7.2.2

External References

Related Security Bulletins