CVE-2022-20499 Denial of service in Android
Local attackers can cause persistent denial of service in Android by exploiting uncaught errors in Passpoint configuration parsing 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-2022-20499?
CVE-2022-20499 is a medium-severity denial of service vulnerability in Google Android, published on 24 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In validateForCommonR1andR2 of PasspointConfiguration.java, uncaught errors in parsing stored configs could lead to local persistent denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-246539931
Which versions are affected by CVE-2022-20499?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20499?
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-2022-20499 being exploited?
There is no known exploitation of CVE-2022-20499 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-246539931, ASB-A-246539931, GHSA-5xhh-fjfj-vrw4, UBUNTU-CVE-2022-20499.