CVE-2022-26122

Published: Nov 2, 2022Modified: Nov 21, 2024

8.6

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N

Exploitability: 3.9 / Impact: 4.0

Source: NVD

Description

An insufficient verification of data authenticity vulnerability [CWE-345] in FortiClient, FortiMail and FortiOS AV engines version 6.2.168 and below and version 6.4.274 and below may allow an attacker to bypass the AV engine via manipulating MIME attachment with junk and pad characters in base64.

Affected (24)

Products: Fortinet: Antivirus Engine, Fortimail, Fortios

3 products

Configuration A

24 vulnerable

Vulnerable Software	Affected Versions
Fortinet Antivirus Engine	Version 0.4.23
Fortinet Antivirus Engine	Version 2.0.49
Fortinet Antivirus Engine	Version 2.0.60
Fortinet Antivirus Engine	Version 4.4.54
Fortinet Antivirus Engine	Version 6.137
Fortinet Antivirus Engine	Version 6.142
Fortinet Antivirus Engine	Version 6.144
Fortinet Antivirus Engine	Version 6.145
Fortinet Antivirus Engine	Version 6.156
Fortinet Antivirus Engine	Version 6.157
Fortinet Antivirus Engine	Version 6.243
Fortinet Antivirus Engine	Version 6.252
Fortinet Antivirus Engine	Version 6.253
Fortinet Antivirus Engine	Version 6.33
Fortinet Fortimail	From 6.0.0 to 6.0.12
Fortinet Fortimail	From 6.2.0 to 6.2.9
Fortinet Fortimail	From 6.4.0 to 6.4.6
Fortinet Fortimail	From 7.0.0 to 7.0.2
Fortinet Fortimail	Version 4.1.0
Fortinet Fortios	From 6.0.0 to 6.0.15
Fortinet Fortios	From 6.2.0 to 6.2.11
Fortinet Fortios	From 6.4.0 to 6.4.10
Fortinet Fortios	From 7.0.0 to 7.0.6
Fortinet Fortios	Version 7.2.0

Related CWEs

CWE-345

Insufficient Verification of Data Authenticity

The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.

References (2)

https://fortiguard.com/psirt/FG-IR-22-074

Source: psirt@fortinet.com

PatchVendor Advisory

https://fortiguard.com/psirt/FG-IR-22-074

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.