CVE-2022-21768 Memory corruption in MT8167S, MT8175, MT8183, MT8362A, MT8365, MT8385

High 8.8 Published Updated

A missing bounds check in Bluetooth allows local attackers to escalate privileges via out-of-bounds write on MediaTek Android devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2022-21768?

CVE-2022-21768 is a high-severity memory corruption vulnerability in Google Android, published on 6 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In Bluetooth, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06784351; Issue ID: ALPS06784351.

Weakness: CWE-787

Which versions are affected by CVE-2022-21768?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-21768?

Apply the vendor's patch.

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

Is CVE-2022-21768 being exploited?

There is no known exploitation of CVE-2022-21768 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-231281132, ASB-A-231281132, GHSA-23qj-c6v6-57hx, M-ALPS06784351.

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