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

 

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

Published: May 16, 2022


Vulnerability identifier: #VU63180
CSH Severity: Low
CVSS v4.0: 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 access
Exploit availability: No public exploit available
Vendor: Intel
Affected software:
Intel Xeon Processor E3 v6 Family
Intel Xeon Processor E3 v5 Family

Detailed vulnerability 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.



How to mitigate CVE-2021-0188

Install updates from vendor's website.

Sources