CVE-2020-0469 Denial of service in Android
A logic error in Android's LockSettingsService allows local attackers to cause a denial of service by losing the synthetic password.
- 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-2020-0469?
CVE-2020-0469 is a medium-severity denial of service vulnerability in Google Android, published on 14 Dec 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In addEscrowToken of LockSettingsService.java, there is a possible loss of the synthetic password due to logic error. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-168692734
Which versions are affected by CVE-2020-0469?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2020-0469?
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-2020-0469 being exploited?
There is no known exploitation of CVE-2020-0469 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-168692734, ASB-A-168692734, GHSA-g79x-g6g2-hc4x.