#VU17817 Resource exhaustion in Windows Server and Windows
Published: February 21, 2019
Vulnerability identifier: #VU17817
Vulnerability risk: Low
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:Clear
CVE-ID: N/A
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Windows Server
Windows
Windows Server
Windows
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to resource exhaustion when handling malicious input. A remote attacker can send malicious HTTP/2 requests to a Windows Server running Internet Information Services (IIS), cause the system CPU usage to spike to 100% until the malicious connections are killed by IIS and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.