Input validation error in Google Android - CVE-2019-9469

 

Input validation error in Google Android - CVE-2019-9469

Published: January 6, 2020 / Updated: August 8, 2020


Vulnerability identifier: #VU34904
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-2019-9469
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 execute arbitrary code.

In km_compute_shared_hmac of km4.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-130246677


How to mitigate CVE-2019-9469

Install update from vendor's website.

Sources