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Vulnerability · Published May 15, 2023 · Assigned by MediaTek

CVE-2023-20695

Medium 6.7

In plain English

A medium-severity out-of-bounds write in MT6835, MT6880, MT6886, MT6890, MT6980, MT6985, MT6990, MT8167, MT8175, MT8185, MT8195, MT8321, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, from MediaTek, Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)<0.1%top 99.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In preloader, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07734012 / ALPS07874363 (For MT6880, MT6890, MT6980 and MT6990 only); Issue ID: ALPS07734012 / ALPS07874363 (For MT6880, MT6890, MT6980 and MT6990 only).

Affected products (as reported)

VendorProductVersions
MediaTek, Inc. MT6835, MT6880, MT6886, MT6890, MT6980, MT6985, MT6990, MT8167, MT8175, MT8185, MT8195, MT8321, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8765, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8791T, MT8797 Android 13.0 / OpenWrt 19.07, 21.02

Weakness: CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References