Resource exhaustion in Google Android - CVE-2019-1998

 

Resource exhaustion in Google Android - CVE-2019-1998

Published: February 28, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU36094
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-1998
CWE-ID: CWE-400
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Google Android

Detailed vulnerability description

The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.

In event_handler of keymaster_app.c, there is possible resource exhaustion due to a table being lost on reboot. This could lead to local denial of service that is not fixed by a factory reset, with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-9. Android ID: A-116055338.


How to mitigate CVE-2019-1998

Install update from vendor's website.

Sources