Time-of-check Time-of-use (TOCTOU) Race Condition in Google Android - CVE-2020-0358

 

Time-of-check Time-of-use (TOCTOU) Race Condition in Google Android - CVE-2020-0358

Published: September 17, 2020 / Updated: September 24, 2020


Vulnerability identifier: #VU47030
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-0358
CWE-ID: CWE-367
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Google Android

Detailed vulnerability description

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

In SurfaceFlinger, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-150227563


How to mitigate CVE-2020-0358

Install update from vendor's website.

Sources