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Test ID:
Category:Web Servers
Title:Apache HTTPD HTTP/2 'SETTINGS' Data Processing DoS Vulnerability (Windows)
Summary:This host is running Apache HTTP Server; and is prone to denial-of-service vulnerability
This host is running Apache HTTP Server
and is prone to denial-of-service vulnerability

Vulnerability Insight:
The flaw is due to an improper processing of
specially crafted and continuous SETTINGS data for an ongoing HTTP/2 connection
to cause the target service to fail to timeout.

Vulnerability Impact:
Successful exploitation will allow remote
attackers to cause a denial of service (DoS) condition on a targeted system.

Affected Software/OS:
Apache HTTP Server versions 2.4.34, 2.4.33,
2.4.30, 2.4.29, 2.4.28, 2.4.27, 2.4.26, 2.4.25, 2.4.23, 2.4.20, 2.4.18.

Upgrade to Apache HTTP Server 2.4.35 or
later. Please see the references for more information.

CVSS Score:

CVSS Vector:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2018-11763
CopyrightCopyright (C) 2018 Greenbone Networks GmbH

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