CVE-2023-32806 Memory corruption in MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985, MT6990, MT8168, MT8365, MT8673, MT8766, MT8768, MT8781, MT8786, MT8789, MT8791T, MT8797

Medium 6.7 Published 4 Sep 2023 Updated 21 Oct 2024

A local attacker with system privileges can exploit an out-of-bounds write in the MediaTek WLAN driver to escalate privileges.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-32806?

CVE-2023-32806 is a medium-severity memory corruption vulnerability in Google Android, published on 4 Sep 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In wlan driver, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07441589; Issue ID: ALPS07441589.

Weakness: CWE-787

Which versions are affected by CVE-2023-32806?

It affects 4 products.

Products include Google Android, Linuxfoundation Yocto, Mediatek Iot Yocto, Openwrt Openwrt.

How do I fix CVE-2023-32806?

No fix has been published for CVE-2023-32806 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-32806 being exploited?

There is no known exploitation of CVE-2023-32806 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-gwqc-9564-p87g.