Integer overflow in Google Android - CVE-2019-2046

 

Integer overflow in Google Android - CVE-2019-2046

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


Vulnerability identifier: #VU35929
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-2046
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Google Android

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

In CalculateInstanceSizeForDerivedClass of objects.cc, there is possible memory corruption due to an integer overflow. This could lead to remote code execution in the proxy auto-config with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9 Android ID: A-117556220


How to mitigate CVE-2019-2046

Install update from vendor's website.

Sources