CVE-2021-0316 Memory corruption in Android
Remote attackers can execute arbitrary code via Bluetooth due to an out-of-bounds write in the AVRCP parser, requiring no user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-0316?
CVE-2021-0316 is a critical memory corruption vulnerability in Google Android, published on 11 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In avrc_pars_vendor_cmd of avrc_pars_tg.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: Android; Versions: Android-11, Android-8.0, Android-8.1, Android-9, Android-10; Android ID: A-168802990.
Weakness: CWE-787
Which versions are affected by CVE-2021-0316?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0316?
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-2021-0316 being exploited?
There is no known exploitation of CVE-2021-0316 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Google Android
Sources
Also known as A-168802990, ASB-A-168802990, GHSA-wg6f-7wh7-87pc.