SB2018041029 - Remote DoS in HTTP.sys driver in Microsoft Windows
Published: April 10, 2018 Updated: August 16, 2022
Security Bulletin ID
SB2018041029
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper input validation (CVE-ID: CVE-2018-0956)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an error within the the HTTP 2.0 protocol stack (HTTP.sys) when processing HTTP 2.0 requests. A remote attacker can send a specially crafted HTTP 2.0 request to the affected system and cause the system to crash.
Remediation
Install update from vendor's website.