CVE-2021-0589 Memory corruption in Android
A local attacker can exploit an out-of-bounds write in the Bluetooth stack to escalate privileges on 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-2021-0589?
CVE-2021-0589 is a high-severity memory corruption vulnerability in Google Android, published on 14 Jul 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In BTM_TryAllocateSCN of btm_scn.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-180939982
Weakness: CWE-787
Which versions are affected by CVE-2021-0589?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0589?
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-2021-0589 being exploited?
There is no known exploitation of CVE-2021-0589 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Other vulnerabilities in Google Android
Sources
Also known as A-180939982, ASB-A-180939982, GHSA-93qx-8mr3-64c8.