Vulnerability · Published Apr 6, 2023 · Assigned by MediaTek
CVE-2023-20676
Medium 4.4
In plain English
A medium-severity out-of-bounds read in MT5221, MT6781, MT6789, MT6833, MT6855, MT6877, MT6879, MT6895, MT6983, MT7663, MT7668, MT7902, MT7921, MT8167S, MT8168, MT8169, MT8175, MT8185, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8675, MT8695 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).
Official description
In wlan, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07588569; Issue ID: ALPS07628518.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MediaTek, Inc. | MT5221, MT6781, MT6789, MT6833, MT6855, MT6877, MT6879, MT6895, MT6983, MT7663, MT7668, MT7902, MT7921, MT8167S, MT8168, MT8169, MT8175, MT8185, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8675, MT8695, MT8766, MT8768, MT8771, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8797, MT8798 | Android 11.0, 12.0, 13.0 / Yocto 3.1, 3.3, 4.0 / Linux-4.19 (for MT5221, MT7663, MT7668, MT7902 and MT7921 chipsets only) |
Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N