SB2021051126 - Information disclosure in Microsoft Windows Projected File System FS Filter Driver



SB2021051126 - Information disclosure in Microsoft Windows Projected File System FS Filter Driver

Published: May 11, 2021

Security Bulletin ID SB2021051126
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-2021-31191)

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 in Windows Projected File System FS Filter Driver. A local user can trigger out-of-bounds read error and read contents of memory on the system.


Remediation

Install update from vendor's website.