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Test ID:1.3.6.1.4.1.25623.1.0.144089
Category:Denial of Service
Title:nghttp2 < 1.41.0 DoS Vulnerability
Summary:nghttpd2 is prone to a denial of service vulnerability due to when; receiving an overly large HTTP/2 SETTINGS frame payload.
Description:Summary:
nghttpd2 is prone to a denial of service vulnerability due to when
receiving an overly large HTTP/2 SETTINGS frame payload.

Vulnerability Insight:
The proof of concept attack involves a malicious client constructing a
SETTINGS frame with a length of 14400 bytes (2400 individual settings entries) over and over again. The
attack causes the CPU to spike at 100%.

Affected Software/OS:
nghttpd2 versions prior to 1.41.0.

Solution:
Update to version 1.41.0 or later.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-11080
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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