Fortinet FortiClientWindows up to 6.0.10/6.2.6 AV Engine security check

Summaryinfo

A vulnerability was found in Fortinet FortiClientWindows up to 6.0.10/6.2.6. It has been declared as problematic. This affects an unknown part of the component AV Engine. The manipulation results in security check. This vulnerability was named CVE-2020-9295. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Fortinet FortiClientWindows up to 6.0.10/6.2.6. Affected is some unknown processing of the component AV Engine. The manipulation with an unknown input leads to a security check vulnerability. CWE is classifying the issue as CWE-358. The product does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique. This is going to have an impact on integrity. CVE summarizes:

FortiOS 6.2 running AV engine version 6.00142 and below, FortiOS 6.4 running AV engine version 6.00144 and below and FortiClient 6.2 running AV engine version 6.00137 and below may not immediately detect certain types of malformed or non-standard RAR archives, potentially containing malicious files. Based on the samples provided, FortiClient will detect the malicious files upon trying extraction by real-time scanning and FortiGate will detect the malicious archive if Virus Outbreak Prevention is enabled.

The advisory is shared for download at fortiguard.com. This vulnerability is traded as CVE-2020-9295 since 02/19/2020. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1211.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

• Fortinet

Name

• FortiClientWindows

Version

• 6.0.0
• 6.0.1
• 6.0.2
• 6.0.3
• 6.0.4
• 6.0.5
• 6.0.6
• 6.0.7
• 6.0.8
• 6.0.9
• 6.0.10
• 6.2.0
• 6.2.1
• 6.2.2
• 6.2.3
• 6.2.4
• 6.2.5
• 6.2.6

License

• commercial

Website

• Vendor: https://www.fortinet.com/

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