CVE-2022-20129 Denial of service in Android
A local attacker can cause a denial of service by preventing phone account selection due to improper input validation in Android.
- 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-2022-20129?
CVE-2022-20129 is a medium-severity denial of service vulnerability in Google Android, published on 15 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In registerPhoneAccount of PhoneAccountRegistrar.java, there is a possible way to prevent the user from selecting a phone account due to improper input validation. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-217934478
Weakness: CWE-20
Which versions are affected by CVE-2022-20129?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20129?
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-2022-20129 being exploited?
There is no known exploitation of CVE-2022-20129 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-217934478, ASB-A-217934478, GHSA-rvc8-68wq-jcj6.