CVE-2021-0918 Memory corruption in Android
Remote attackers can execute arbitrary code via Bluetooth due to an out-of-bounds write in the Android Bluetooth stack.
- 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-2021-0918?
CVE-2021-0918 is a high-severity memory corruption vulnerability in Google Android, published on 15 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In gatt_process_notification of gatt_cl.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-197536150
Weakness: CWE-787
Which versions are affected by CVE-2021-0918?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0918?
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-2021-0918 being exploited?
There is no known exploitation of CVE-2021-0918 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-197536150, ASB-A-197536150, GHSA-h9hc-qgww-qvf4.