PT-2023-4286 · Mediatek · Keyinstall

Published 2023-08-07 · Updated 2023-08-09 · CVE-2023-20783

Positive Technologies (AI Summary)

CVSS v3.1

6.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions keyinstall component of MediaTek microprogram software (affected versions not specified)

Description The issue is related to insufficient input validation in the keyinstall component, which can lead to a possible out of bounds write due to a missing bounds check. This could allow an attacker to escalate their privileges locally with System execution privileges needed. User interaction is not required for exploitation.

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

Memory Corruption

RCE

Weakness Enumeration

CWE-787

CWE-20

Related Identifiers

BDU:2023-04604

CVE-2023-20783

Affected Products

Keyinstall

References · 5

• https://corp.mediatek.com/product-security-bulletin/August-2023 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-04604 · Security Note
• https://osv.dev/vulnerability/CVE-2023-20783 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20783 · Security Note
• https://t.me/cvenotify/55911 · Telegram Post