Out-of-bounds write in Google Android - CVE-2019-2203

 

Out-of-bounds write in Google Android - CVE-2019-2203

Published: November 13, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU35085
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-2019-2203
CWE-ID: CWE-787
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 CryptoPlugin::decrypt of CryptoPlugin.cpp, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9 Android-10Android ID: A-137370777


How to mitigate CVE-2019-2203

Install update from vendor's website.

Sources