SB2022011116 - Remote code execution in Windows HTTP Protocol Stack



SB2022011116 - Remote code execution in Windows HTTP Protocol Stack

Published: January 11, 2022 Updated: October 25, 2024

Security Bulletin ID SB2022011116
Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2022-21907)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the HTTP Trailer Support feature in HTTP Protocol Stack (http.sys). A remote attacker can send a specially crafted HTTP request to the web server, trigger a buffer overflow and execute arbitrary code on the system.


Remediation

Install update from vendor's website.