CVE-2021-0966 Information disclosure in Android
A local attacker can read uninitialized memory from a target process via crafted Binder transactions, leading to information disclosure without user interaction.
- 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-2021-0966?
CVE-2021-0966 is a medium-severity 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 code generated by BuildParcelFields of generate_cpp.cpp, there is a possible way for a crafted parcelable to reveal uninitialized memory of a target process due to uninitialized data. This could lead to local information disclosure across Binder transactions with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12Android ID: A-198346478
Weakness: CWE-909
Which versions are affected by CVE-2021-0966?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0966?
Apply the vendor's patch.
Is CVE-2021-0966 being exploited?
There is no known exploitation of CVE-2021-0966 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-198346478, ASB-A-198346478, GHSA-f73v-rm28-j7c4.