#VU63181 Unchecked Return Value in Intel products - CVE-2021-0155

Vulnerability identifier: #VU63181

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-0155

CWE-ID: CWE-252

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Intel Xeon D Processors
Hardware solutions / Firmware
Intel Core X-series Processors
Hardware solutions / Firmware
Intel Xeon Processor E7 v4 Family
Hardware solutions / Firmware
Intel Xeon Processor E5 v4 Family
Hardware solutions / Firmware

Vendor: Intel

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to unchecked return value in the BIOS firmware. A local user can gain access to potentially sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Intel Xeon D Processors: All versions

Intel Core X-series Processors: All versions

Intel Xeon Processor E7 v4 Family: All versions

Intel Xeon Processor E5 v4 Family: All versions

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External links
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00601.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.