Vulnerability identifier: #VU83973

Vulnerability risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-40238

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Insyde Kernel
Operating systems & Components / Operating system

Vendor:

Description

The vulnerability allows a local user to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input. A local user with write access to the ESP of the victim device can exploit by storing a maliciously crafted logo image.

The vulnerability was dubbed LogoFAIL.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://www.insyde.com/security-pledge/SA-2023053
http://binarly.io/posts/finding_logofail_the_dangers_of_image_parsing_during_system_boot/index.html
http://binarly.io/posts/finding_logofail_the_dangers_of_image_parsing_during_system_boot/index.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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