SB2019090633 - Double Free in Google, Google Android



SB2019090633 - Double Free in Google, Google Android

Published: September 6, 2019 Updated: August 8, 2020

Security Bulletin ID SB2019090633
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) Double Free (CVE-ID: CVE-2019-2115)

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

In GateKeeper::MintAuthToken of gatekeeper.cpp in Android 7.1.1, 7.1.2, 8.0, 8.1 and 9, there is possible memory corruption due to a double free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.


Remediation

Install update from vendor's website.