SB2023111731 - Integrity checks bypass in FortiOS and FortiProxy VM
Published: November 17, 2023
Security Bulletin ID
SB2023111731
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper validation of integrity check value (CVE-ID: CVE-2023-28002)
CWE-ID: CWE-354 - Improper Validation of Integrity Check Value
CVSSv4: 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/E:U/U:Clear
The vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to improper validation of integrity check value in FortiOS and FortiProxy VMs. A local admin user can boot a malicious image on the device and bypass the filesytem integrity check in place.
Remediation
Install update from vendor's website.