SB2019061939 - Permissions, Privileges, and Access Controls in Google, Google Android



SB2019061939 - Permissions, Privileges, and Access Controls in Google, Google Android

Published: June 19, 2019 Updated: August 8, 2020

Security Bulletin ID SB2019061939
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2019-2023)

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

In ServiceManager::add function in the hardware service manager, there is an insecure permissions check based on the PID of the caller. This could allow an app to add or replace a HAL service with its own service, gaining code execution in a privileged process.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9Android ID: A-121035042Upstream kernel


Remediation

Install update from vendor's website.