#VU11728 Improper input validation in Microsoft products - CVE-2018-0956
Published: April 10, 2018 / Updated: August 16, 2022
Vulnerability identifier: #VU11728
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-0956
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Windows
Windows Server
Microsoft Internet Information Services (IIS)
Windows
Windows Server
Microsoft Internet Information Services (IIS)
Software vendor:
Microsoft
Microsoft
Description
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 updates from vendor's website.