Out-of-bounds write in Intel products - CVE-2020-8679

Vulnerability identifier: #VU45674

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-8679

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in Kernel Mode Driver for some Intel Graphics Drivers. A local user can create a specially crafted file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

6th Generation Intel Core Processors
7th Generation Intel Core Processors
8th Generation Intel Core Processors
3rd Generation Intel Core Processors
4th generation Intel Core processors
5th generation Intel Core processors
10th Generation Intel Core Processors
9th Generation Intel Core Processors

Install updates from vendor's website.

6th Generation Intel Core Processors - update to 26.20.100.7755
7th Generation Intel Core Processors - update to 26.20.100.7755
8th Generation Intel Core Processors - update to 26.20.100.7755
3rd Generation Intel Core Processors - update to 26.20.100.7755
4th generation Intel Core processors - update to 26.20.100.7755
5th generation Intel Core processors - update to 26.20.100.7755
9th Generation Intel Core Processors - update to 26.20.100.7755
10th Generation Intel Core Processors - update to 26.20.100.7755

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00369.html

• Out-of-bounds write in Intel Graphics Drivers