In onCreate of KeyChainActivity.java, there is a possible way to use an app certificate stored in keychain due to a tapjacking/overlay attack. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-199754277
No PoCs from references.
- https://github.com/ARPSyndicate/cvemon
- https://github.com/Trinadh465/packages_apps_KeyChain_AOSP10_r33_CVE-2021-0963
- https://github.com/nomi-sec/PoC-in-GitHub