CVE-2021-0651 Denial of service in Android
A local attacker can cause a denial of service on Android devices by installing an app with an excessively long label, requiring user interaction.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-0651?
CVE-2021-0651 is a medium-severity denial of service vulnerability in Google Android, published on 22 Oct 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
In loadLabel of PackageItemInfo.java, there is a possible way to DoS a device by having a long label in an app due to incorrect input validation. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11 Android-9 Android-10Android ID: A-67013844
Weakness: CWE-20
Which versions are affected by CVE-2021-0651?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0651?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-0651 being exploited?
There is no known exploitation of CVE-2021-0651 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-67013844, ASB-A-67013844, GHSA-6f8j-qh6v-75rj.