PT-2023-17561 · Mediatek · Preloader

Published 2023-05-15 · Updated 2025-01-23 · CVE-2023-20695

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 preloader versions for MT6880, MT6890, MT6980, and MT6990

Description The issue is caused by a missing bounds check, leading to a possible out of bounds write in the preloader. This could result in local escalation of privilege, requiring System execution privileges. User interaction is not needed for exploitation.

Recommendations For preloader versions for MT6880, MT6890, MT6980, and MT6990, apply the patch with ID ALPS07734012 or ALPS07874363 to resolve the issue.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ASB-A-271788841

CVE-2023-20695

M-ALPS07734012

Affected Products

Preloader

References · 6

• https://corp.mediatek.com/product-security-bulletin/May-2023 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-20695 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20695 · Security Note
• https://t.me/cibsecurity/64191 · Telegram Post
• https://t.me/cvenotify/108431 · Telegram Post
• https://t.me/cvenotify/51060 · Telegram Post