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             AUSCERT External Security Bulletin Redistribution

               FortiPortal - Uncontrolled memory allocation
                             16 November 2021


        AusCERT Security Bulletin Summary

Product:           FortiPortal
Publisher:         FortiGuard
Operating System:  Network Appliance
Impact/Access:     Denial of Service -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-36174  

Original Bulletin: 

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FortiPortal - Uncontrolled memory allocation

IR Number    : FG-IR-21-109
Date         : Nov 2, 2021
Risk         : 3/5
CVSSv3 Score : 4.1
Impact       : Denial of service
CVE ID       : CVE-2021-36174
Affected Products: FortiPortal: 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0, 5.3.6, 5.3.5, 5.3.4, 5.3.3, 5.3.2, 5.3.1, 5.3.0, 5.2.6, 5.2.5, 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.1.2, 5.1.1, 5.1.0, 5.0.3, 5.0.2, 5.0.1, 5.0.0, 4.2.2, 4.2.1, 4.1.2, 4.1.1, 4.0.4, 4.0.3, 4.0.2, 4.0.1, 4.0.0


A memory allocation with excessive size value vulnerability [CWE-789] in the
license verification function of FortiPortal may allow an attacker to perform a
denial of service attack via specially crafted license blobs.

Affected Products

FortiPortal versions 6.0.5 and below.
FortiPortal versions 5.3.6 and below.
FortiPortal versions 5.2.6 and below.
FortiPortal versions 5.1.2 and below.
FortiPortal versions 5.0.3 and below.
FortiPortal versions 4.2.2 and below.
FortiPortal versions 4.2.2 and below.
FortiPortal versions 4.1.2 and below.
FortiPortal versions 4.0.4 and below.


Upgrade to FortiPortal version 7.0.0 or above.
Upgrade to FortiPortal version 6.0.6 or above.


Internally discovered and reported by Giuseppe Cocomazzi of Fortinet Product
Security team.

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