CVE-2022-20195 Deserialization in Android
Unsafe deserialization in the Android keystore library allows a local attacker to cause a denial of service by preventing access to system settings.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-20195?
CVE-2022-20195 is a medium-severity unsafe deserialization vulnerability in Google Android, published on 15 Jun 2022. 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 the keystore library, there is a possible prevention of access to system Settings due to unsafe deserialization. This could lead to local denial of service with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-213172664
Weakness: CWE-502
Which versions are affected by CVE-2022-20195?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20195?
Apply the vendor's patch.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2022-20195 being exploited?
There is no known exploitation of CVE-2022-20195 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-213172664, GHSA-c6vw-pfx6-wqr2, PUB-A-213172664.