CVE-2022-20355 Denial of service in Android
A local attacker can cause a system service crash in Android due to improper input validation, resulting in denial of service.
- 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-2022-20355?
CVE-2022-20355 is a medium-severity denial of service vulnerability in Google Android, published on 9 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In get of PacProxyService.java, there is a possible system service crash due to improper input validation. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-219498290
Weakness: CWE-20
Which versions are affected by CVE-2022-20355?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20355?
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-2022-20355 being exploited?
There is no known exploitation of CVE-2022-20355 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-219498290, ASB-A-219498290, GHSA-gcxq-8wh6-4g5w.