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Ubuntu 16.04 ESM : Libidn2 vulnerability (USN-3421-2)

critical Nessus Plugin ID 183526

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 ESM host has packages installed that are affected by a vulnerability as referenced in the USN-3421-2 advisory.

 USN-3421-1 fixed a vulnerability in Libidn2. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

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

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

Solution

Update the affected idn2, libidn2-0 and / or libidn2-0-dev packages.

See Also

https://ubuntu.com/security/notices/USN-3421-2

Plugin Details

Severity: Critical

ID: 183526

File Name: ubuntu_USN-3421-2.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/20/2023

Updated: 8/27/2024

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: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2017-14062

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libidn2-0, cpe:/o:canonical:ubuntu_linux:16.04:-:esm, p-cpe:/a:canonical:ubuntu_linux:idn2, p-cpe:/a:canonical:ubuntu_linux:libidn2-0-dev

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/15/2021

Vulnerability Publication Date: 8/30/2017

Reference Information

CVE: CVE-2017-14062

USN: 3421-2