#VU63176 Use of Out-of-range Pointer Offset in Intel products - CVE-2021-0189

Vulnerability identifier: #VU63176

Vulnerability risk: Low

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

CVE-ID: CVE-2021-0189

CWE-ID: CWE-823

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
2nd Generation Intel Xeon Scalable Processors
Hardware solutions / Firmware
Intel Xeon Processor E Family
Hardware solutions / Firmware
Intel Xeon Processor E3 v6 Family
Hardware solutions / Firmware
Intel Xeon Processor E3 v5 Family
Hardware solutions / Firmware
Intel Xeon Processor E7 v4 Family
Hardware solutions / Firmware

Vendor: Intel

Description

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

The vulnerability exists due to use of out-of-range pointer offset in the BIOS firmware. A local user can execute arbitrary code with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

2nd Generation Intel Xeon Scalable Processors: All versions

Intel Xeon Processor E Family: All versions

Intel Xeon Processor E3 v6 Family: All versions

Intel Xeon Processor E3 v5 Family: All versions

Intel Xeon Processor E7 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.