Input validation error in Google Android - CVE-2019-2137

 

Input validation error in Google Android - CVE-2019-2137

Published: August 20, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU35618
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-2019-2137
CWE-ID: CWE-20
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 the endCall() function of TelecomManager.java, there is a possible Denial of Service due to a missing permission check. This could lead to local denial of access to Emergency Services with User execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-9. Android ID: A-132438333.


How to mitigate CVE-2019-2137

Install update from vendor's website.

Sources