Double Free in Google Android - CVE-2019-2115
Published: September 6, 2019 / Updated: August 8, 2020
Vulnerability identifier: #VU35569
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-2019-2115
CWE-ID: CWE-415
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Google
Affected software:
Google Android
Google Android
Detailed vulnerability description
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.
How to mitigate CVE-2019-2115
Install update from vendor's website.