SB2021020947 - Denial of service in Microsoft Windows Console Driver



SB2021020947 - Denial of service in Microsoft Windows Console Driver

Published: February 9, 2021 Updated: July 25, 2021

Security Bulletin ID SB2021020947
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Input validation error (CVE-ID: CVE-2021-24098)

CWE-ID: CWE-20 - Improper input validation

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


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in Windows Console Driver.A remote attacker can host a website, trick a victim to open the specially crafted file and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.