Input validation error in Google Android - CVE-2019-2221
Published: December 7, 2019 / Updated: August 8, 2020
Vulnerability identifier: #VU34990
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-2221
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Google
Affected software:
Google Android
Google Android
Detailed vulnerability description
The vulnerability allows a local authenticated user to execute arbitrary code.
In hasActivityInVisibleTask of WindowProcessController.java there’s a possible bypass of user interaction requirements due to incorrect handling of top activities in INITIALIZING state. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-138583650
How to mitigate CVE-2019-2221
Install update from vendor's website.