CVE-2021-0394 Information disclosure in Android
A missing bounds check in Android's Parcel handling allows local attackers to read out-of-bounds memory, 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-2021-0394?
CVE-2021-0394 is a medium-severity vulnerability in Google Android, published on 10 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In android_os_Parcel_readString8 of android_os_Parcel.cpp, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-172655291
Weakness: CWE-125
Which versions are affected by CVE-2021-0394?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0394?
Apply the vendor's patch.
Is CVE-2021-0394 being exploited?
There is no known exploitation of CVE-2021-0394 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-172655291, ASB-A-172655291, GHSA-35g8-4m6m-fr64.