SB2020101349 - Information Disclosure in Microsoft Windows KernelStream



SB2020101349 - Information Disclosure in Microsoft Windows KernelStream

Published: October 13, 2020

Security Bulletin ID SB2020101349
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) Out-of-bounds read (CVE-ID: CVE-2020-16889)

CWE-ID: CWE-125 - Out-of-bounds read

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 a boundary condition within the Windows KernelStream. A local user can use a specially crafted application to trigger out-of-bounds read error and read contents of memory on the system.


Remediation

Install update from vendor's website.