CVE-2022-20047 Memory corruption in MT5816, MT5835, MT6885, MT6893, MT9900, MT9901, MT9950, MT9969, MT9970, MT9980
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.
Other vulnerabilities in Google Android
Sources
Also known as A-213120685, ASB-A-213120685, GHSA-crwj-q7gm-mcpf, M-ALPS05917489.