CVE-2022-20027 Memory corruption in MT8167, MT8175, MT8183, MT8362A, MT8365, MT8385

High 7.8 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
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2022-20027?

CVE-2022-20027 is a high-severity memory corruption vulnerability in Google Android, published on 9 Feb 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: ALPS06126826; Issue ID: ALPS06126826.

Weakness: CWE-787

Which versions are affected by CVE-2022-20027?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-20027?

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-2022-20027 being exploited?

There is no known exploitation of CVE-2022-20027 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-209702508, ASB-A-209702508, GHSA-xq6g-gf79-rmvf, M-ALPS06126826.

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