PT-2023-5631 · Mediatek · Mediatek Microcode

Published 2023-08-07 · Updated 2023-08-09 · CVE-2023-20787

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions MediaTek microcode (affected versions not specified)

Description The issue is related to a possible use after free due to a race condition in thermal management, which could lead to local escalation of privilege. System execution privileges are needed for exploitation, and user interaction is not required. Additionally, there are synchronization errors when using a shared resource, which can allow an attacker to elevate their privileges.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Time Of Check To Time Of Use

Weakness Enumeration

CWE-416

CWE-367

Related Identifiers

BDU:2023-06291

CVE-2023-20787

Affected Products

Mediatek Microcode

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2023-20787 · Security Note
• https://corp.mediatek.com/product-security-bulletin/August-2023 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-20787 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-06291 · Security Note