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ID de Prueba:1.3.6.1.4.1.25623.1.0.144089
Categoría:Denial of Service
Título:nghttp2 < 1.41.0 DoS Vulnerability
Resumen:nghttpd2 is prone to a denial of service vulnerability due to when; receiving an overly large HTTP/2 SETTINGS frame payload.
Descripción: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

Referencia Cruzada: Common Vulnerability Exposure (CVE) ID: CVE-2020-11080
https://github.com/nghttp2/nghttp2/security/advisories/GHSA-q5wr-xfw9-q7xr
Debian Security Information: DSA-4696 (Google Search)
https://www.debian.org/security/2020/dsa-4696
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AAC2AA36OTRHKSVM5OV7TTVB3CZIGEFL/
https://github.com/nghttp2/nghttp2/commit/336a98feb0d56b9ac54e12736b18785c27f75090
https://github.com/nghttp2/nghttp2/commit/f8da73bd042f810f34d19f9eae02b46d870af394
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpujan2021.html
https://www.oracle.com/security-alerts/cpujul2020.html
https://www.oracle.com/security-alerts/cpuoct2020.html
https://lists.debian.org/debian-lts-announce/2021/10/msg00011.html
https://lists.debian.org/debian-lts-announce/2023/10/msg00023.html
SuSE Security Announcement: openSUSE-SU-2020:0802 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00024.html
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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