CVE-2022-20047 Memory corruption in MT5816, MT5835, MT6885, MT6893, MT9900, MT9901, MT9950, MT9969, MT9970, MT9980

High 7.8 Published Updated

A missing bounds check in the MediaTek video decoder allows local attackers to escalate privileges via an out-of-bounds write.

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-2022-20047?

CVE-2022-20047 is a high-severity memory corruption vulnerability in Google Android, published on 9 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In video decoder, 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: ALPS05917489; Issue ID: ALPS05917489.

Weakness: CWE-787

Which versions are affected by CVE-2022-20047?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2022-20047?

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-2022-20047 being exploited?

There is no known exploitation of CVE-2022-20047 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-213120685, ASB-A-213120685, GHSA-crwj-q7gm-mcpf, M-ALPS05917489.

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