SB2022110231 - Insufficient verification of data authenticity in Fortinet AV Engine
Published: November 2, 2022
Security Bulletin ID
SB2022110231
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Insufficient verification of data authenticity (CVE-ID: CVE-2022-26122)
CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to insufficient verification of data authenticity. A remote attacker can bypass the AV engine via manipulating MIME attachment with junk and pad characters in base64.
Remediation
Install update from vendor's website.