Out-of-bounds write in Intel Graphics Drivers

1) Out-of-bounds write

EUVDB-ID: #VU45674

Risk: Low

CVSSv4.0: 5.9 [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/E:U/U:Clear]

CVE-ID: CVE-2020-8679

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

6th Generation Intel Core Processors: before 26.20.100.7755

7th Generation Intel Core Processors: before 26.20.100.7755

8th Generation Intel Core Processors: before 26.20.100.7755

3rd Generation Intel Core Processors: before 26.20.100.7755

4th generation Intel Core processors: before 26.20.100.7755

5th generation Intel Core processors: before 26.20.100.7755

9th Generation Intel Core Processors: before 26.20.100.7755

10th Generation Intel Core Processors: before 26.20.100.7755

CPE2.3

• cpe:2.3:h:intel:6th_generation_intel_core_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:7th_generation_intel_core_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:8th_generation_intel_core_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:3rd_generation_intel_core_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:4th_generation_intel_core_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:5th_generation_intel_core_processors:*:*:*:*:*:*:*:*
• cpe:2.3:a:intel:9th_generation_intel_core_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:10th_generation_intel_core_processors:*:*:*:*:*:*:*:*

External links

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