QID 43976

An insufficient verification of data authenticity vulnerability FortiOS AV engines may allow an attacker to bypass the AV engine via manipulating MIME attachment with junk and pad characters in base64. Affected Versions:
FortiOS version 6.0.0, 6.0.1, 6.0.10, 6.0.11, 6.0.12, 6.0.13, 6.0.14, 6.0.15, 6.0.16, 6.0.2, 6.0.3, 6.0.4, 6.0.5, 6.0.6, 6.0.7, 6.0.8, 6.0.9, 6.2.0, 6.2.1, 6.2.10, 6.2.11, 6.2.12, 6.2.2, 6.2.3, 6.2.4, 6.2.5, 6.2.6, 6.2.7, 6.2.8, 6.2.9, 6.4.0, 6.4.1, 6.4.10, 6.4.11, 6.4.2, 6.4.3, 6.4.4, 6.4.5, 6.4.6, 6.4.7, 6.4.8, 6.4.9, 7.0.0, 7.0.1, 7.0.2, 7.0.3, 7.0.4, 7.0.5, 7.0.6, 7.2.0

QID Detection Logic (Authenticated):
Detection checks for vulnerable version of FortiOS.

NOTE: This QID is marked as practice as we are only checking FortiOS version.

Successful exploitation of the vulnerability may allow an attacker to bypass the AV engine via manipulating MIME attachment with junk and pad characters in base64.