SB2019090633 - Double Free in Google, Google Android
Published: September 6, 2019 Updated: August 8, 2020
Security Bulletin ID
SB2019090633
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Double Free (CVE-ID: CVE-2019-2115)
CWE-ID: CWE-415 - Double Free
CVSSv4: 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
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.