#VU63180 Return of pointer value outside of expected range in Intel Xeon Processor E3 v6 Family and Intel Xeon Processor E3 v5 Family - CVE-2021-0188

Vulnerability identifier: #VU63180

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-0188

CWE-ID: CWE-466

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Intel Xeon Processor E3 v6 Family
Hardware solutions / Firmware
Intel Xeon Processor E3 v5 Family
Hardware solutions / Firmware

Vendor: Intel

Description

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

The vulnerability exists due to a boundary error in the BIOS firmware. A local user can force the firmware to return pointer value outside of expected range and gain access to potentially sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Intel Xeon Processor E3 v6 Family: All versions

Intel Xeon Processor E3 v5 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.