Permissions, Privileges, and Access Controls in Google Android - CVE-2019-2122

 

Permissions, Privileges, and Access Controls in Google Android - CVE-2019-2122

Published: August 20, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU35606
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-2122
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Google Android

Detailed vulnerability description

The vulnerability allows a local authenticated user to execute arbitrary code.

In LockTaskController.lockKeyguardIfNeeded of the LockTaskController.java, there was a difference in the handling of the default case between the WindowManager and the Settings. This could lead to a local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-127605586.


How to mitigate CVE-2019-2122

Install update from vendor's website.

Sources