SB2020081223 - Information disclosure in Microsoft Windows ARM



SB2020081223 - Information disclosure in Microsoft Windows ARM

Published: August 12, 2020

Security Bulletin ID SB2020081223
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Information disclosure (CVE-ID: CVE-2020-1459)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application on ARM implementations that use speculative execution in control flow via a side-channel analysis, aka "straight-line speculation". A local user can use a specially crafted application and gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.