SB2020081223 - Information disclosure in Microsoft Windows ARM

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Main Vulnerability Database SB2020081223

SB2020081223 - Information disclosure in Microsoft Windows ARM

Published: August 12, 2020

Security Bulletin ID SB2020081223
CSH 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 vulnerability.


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

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

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


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.

References