CVE-2022-20558 Auth bypass in Android
A permissions bypass in Android allows local attackers to change preferred TTY mode and escalate privileges 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-2022-20558?
CVE-2022-20558 is a low-severity authentication bypass vulnerability in Google Android, published on 16 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In registerReceivers of DeviceCapabilityListener.java, there is a possible way to change preferred TTY mode due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-236264289
Weakness: CWE-863
Which versions are affected by CVE-2022-20558?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20558?
Apply the vendor's patch.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2022-20558 being exploited?
There is no known exploitation of CVE-2022-20558 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-236264289, GHSA-hjjq-jc6w-mqf5, PUB-A-236264289.