Incorrect permission assignment for critical resource in Google Android - CVE-2019-2218

 

Incorrect permission assignment for critical resource in Google Android - CVE-2019-2218

Published: December 7, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU34987
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-2019-2218
CWE-ID: CWE-732
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 createSessionInternal of PackageInstallerService.java, there is a possible improper permission grant due to a missing permission check. This could lead to local escalation of privilege by installing malicious packages with User execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-8.0, Android-8.1, Android-9, and Android-10 Android ID: A-141169173


How to mitigate CVE-2019-2218

Install update from vendor's website.

Sources