CVE-2022-20134 Business logic in Android
Improper input validation in Android's CallSubjectDialog allows local attackers to escalate privileges by tricking users into calling wrong numbers.
- 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-2022-20134?
CVE-2022-20134 is a high-severity vulnerability in Google Android, published on 15 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In readArguments of CallSubjectDialog.java, there is a possible way to trick the user to call the wrong phone number due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-218341397
Weakness: CWE-20
Which versions are affected by CVE-2022-20134?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20134?
Apply the vendor's patch.
Is CVE-2022-20134 being exploited?
There is no known exploitation of CVE-2022-20134 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-218341397, ASB-A-218341397, GHSA-vj26-6x8f-236w.