CVE-2023-20716 Memory corruption in MT5221, MT6789, MT6855, MT6879, MT6895, MT6983, MT7663, MT7668, MT7902, MT7921, MT8167S, MT8168, MT8175, MT8362A, MT8365, MT8385, MT8518, MT8532, MT8673, MT8695, MT8766, MT8768, MT8781, MT8786, MT8788, MT8789, MT8791, MT8797

Medium 6.7 Published Updated

A missing bounds check in MediaTek Wi-Fi firmware allows local attackers with system privileges to escalate privileges via out-of-bounds write.

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-2023-20716?

CVE-2023-20716 is a medium-severity memory corruption vulnerability in Google Android, published on 6 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In wlan, 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: ALPS07796883; Issue ID: ALPS07796883.

Weakness: CWE-787

Which versions are affected by CVE-2023-20716?

It affects 4 products.

Products include Google Android, Linux kernel, Linuxfoundation Iot-Yocto, Linuxfoundation Yocto.

How do I fix CVE-2023-20716?

No fix has been published for CVE-2023-20716 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-2023-20716 being exploited?

There is no known exploitation of CVE-2023-20716 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-rfvf-m3hf-2866.

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