#VU63082 Out-of-bounds write in Intel Xeon Processor E5 v4 Family and Intel Core X-series Processors


Published: 2022-05-12 | Updated: 2022-05-16

Vulnerability identifier: #VU63082

Vulnerability risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-0153

CWE-ID: CWE-787

Exploitation vector: Local

Exploit availability: No

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

Vendor: Intel

Description

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

The vulnerability exists due to a boundary error in the BIOS firmware. A local user can  run a specially crafted program to trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Intel Xeon Processor E5 v4 Family: All versions

Intel Core X-series Processors: All versions


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


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.


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