Race condition in Google Android - CVE-2020-27059

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Main Vulnerability Database Vulnerabilities #VU48932

Race condition in Google Android - CVE-2020-27059

Published: December 11, 2020


Vulnerability identifier: #VU48932
CSH Severity: Medium
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:Green
CVE-ID: CVE-2020-27059
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Google Android

Detailed vulnerability description

The vulnerability allows a malicious application to elevate privileges on the system.

The vulnerability exists due to a race condition when processing two activities, related to fingerprint input. A malicious application installed on the device can bypass mitigations, implemented by Android and gain elevated privileges within the system.


How to mitigate CVE-2020-27059

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

A patch will be released in the January 2021 Android Security Bulletin.


Sources