#VU76686 Incorrect default permissions in Intel HDMI Firmware Update Tool for NUC - CVE-2022-40971

Vulnerability identifier: #VU76686

Vulnerability risk: Low

CVSSv4.0: 5.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-40971

CWE-ID: CWE-276

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Intel HDMI Firmware Update Tool for NUC
Client/Desktop applications / Software for system administration

Vendor: Intel

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for files and folders that are set by the application. A local user with access to the system can view contents of files and directories or modify them.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Intel HDMI Firmware Update Tool for NUC: before 1.79.1.1

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External links
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00833.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.