Protection Mechanism Failure in Fortinet AV Engine



Published: 2020-12-02
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-9295
CWE-ID CWE-693
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		FortiOS
Operating systems & Components / Operating system

AV engine
Hardware solutions / Firmware

Fortinet FortiClient for Windows
Server applications / Other server solutions

Vendor Fortinet, Inc

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Protection Mechanism Failure

EUVDB-ID: #VU48748

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-9295

CWE-ID: CWE-693 - Protection Mechanism Failure

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to the affected software may not immediately detect certain types of malformed or non-standard RAR archives, potentially containing malicious files. An attacker can bypass implemented security restrictions and elevate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiOS: 6.2.0 - 6.4.0

AV engine: 6.00137 - 6.00144

Fortinet FortiClient for Windows: 6.2.0 - 6.4.0

External links

http://fortiguard.com/psirt/FG-IR-20-037


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###