SB2019090639 - Input validation error in Google, Google Android



SB2019090639 - Input validation error in Google, Google Android

Published: September 6, 2019 Updated: August 8, 2020

Security Bulletin ID SB2019090639
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2019-2177)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


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

In isPreferred of HidProfile.java in Android 7.1.1, 7.1.2, 8.0, 8.1 and 9, there is a possible device type confusion due to a permissions bypass. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation.


Remediation

Install update from vendor's website.