SB2018120629 - Out-of-bounds write in Google, Google Android



SB2018120629 - Out-of-bounds write in Google, Google Android

Published: December 6, 2018 Updated: August 8, 2020

Security Bulletin ID SB2018120629
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2018-9559)

The vulnerability allows a local authenticated user to execute arbitrary code.

In persist_set_key and other functions of cryptfs.cpp, there is a possible out-of-bounds write due to an uncaught error. 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-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112731440.


Remediation

Install update from vendor's website.