Debian dla-3621 : libnghttp2-14 - security update

critical Nessus Plugin ID 183195

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Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3621 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-3621-1 [email protected] https://www.debian.org/lts/security/ Sean Whitton October 16, 2023 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : nghttp2 Version : 1.36.0-2+deb10u2 CVE ID : CVE-2020-11080 CVE-2023-44487 Debian Bug : 962145 1053769

Multiple vulnerabilities were discovered in nghttp2, an implementation of the HTTP/2 protocol.

CVE-2020-11080

A denial-of-service could be caused by a large HTTP/2 SETTINGS frame payload.

CVE-2023-44487

A denial-of-service could be caused by resetting many HTTP/2 streams quickly. This has been observed in the wild since August.

For Debian 10 buster, these problems have been fixed in version 1.36.0-2+deb10u2.

We recommend that you upgrade your nghttp2 packages.

For the detailed security status of nghttp2 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/nghttp2

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS Attachment:
signature.asc Description: PGP signature

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the libnghttp2-14 packages.

Plugin Details

Severity: Critical

ID: 183195

File Name: debian_DLA-3621.nasl

Version: 1.7

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 10/16/2023

Updated: 1/22/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2020-11080

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

CVSS Score Source: CVE-2023-44487

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 9.3

Threat Vector: CVSS:4.0/E:A

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2023-44487

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:nghttp2-server, p-cpe:/a:debian:debian_linux:nghttp2-proxy, cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:libnghttp2-doc, p-cpe:/a:debian:debian_linux:libnghttp2-dev, p-cpe:/a:debian:debian_linux:nghttp2-client, p-cpe:/a:debian:debian_linux:nghttp2, p-cpe:/a:debian:debian_linux:libnghttp2-14

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/16/2023

Vulnerability Publication Date: 6/3/2020

CISA Known Exploited Vulnerability Due Dates: 10/31/2023

Reference Information

CVE: CVE-2020-11080, CVE-2023-44487

IAVB: 2023-B-0083-S

Detections

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