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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.10 : nghttp2 vulnerabilities (USN-6754-1)

critical Nessus Plugin ID 193905

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6754-1 advisory.

 It was discovered that nghttp2 incorrectly handled the HTTP/2 implementation. A remote attacker could possibly use this issue to cause nghttp2 to consume resources, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-9511, CVE-2019-9513)

 It was discovered that nghttp2 incorrectly handled request cancellation. A remote attacker could possibly use this issue to cause nghttp2 to consume resources, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2023-44487)

 It was discovered that nghttp2 could be made to process an unlimited number of HTTP/2 CONTINUATION frames.
 A remote attacker could possibly use this issue to cause nghttp2 to consume resources, leading to a denial of service. (CVE-2024-28182)

Tenable has extracted the preceding description block directly from the Ubuntu 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

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-6754-1

Plugin Details

Severity: Critical

ID: 193905

File Name: ubuntu_USN-6754-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 4/25/2024

Updated: 9/18/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.4

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

CVSS Score Source: CVE-2019-9513

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: cpe:/o:canonical:ubuntu_linux:23.10, p-cpe:/a:canonical:ubuntu_linux:nghttp2, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:nghttp2-client, p-cpe:/a:canonical:ubuntu_linux:nghttp2-proxy, p-cpe:/a:canonical:ubuntu_linux:nghttp2-server, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libnghttp2-dev, p-cpe:/a:canonical:ubuntu_linux:libnghttp2-14

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/25/2024

Vulnerability Publication Date: 8/13/2019

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

Reference Information

CVE: CVE-2019-9511, CVE-2019-9513, CVE-2023-44487, CVE-2024-28182

USN: 6754-1