CVE-2022-21767 Memory corruption in MT8167, MT8175, MT8183, MT8362A, MT8365, MT8385
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-2022-21767?
CVE-2022-21767 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: ALPS06784430; Issue ID: ALPS06784430.
Weakness: CWE-787
Which versions are affected by CVE-2022-21767?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-21767?
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-2022-21767 being exploited?
There is no known exploitation of CVE-2022-21767 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-231275476, ASB-A-231275476, GHSA-mmwx-xh4f-qfrm, M-ALPS06784430.