Detections
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Ubuntu 17.04 : libidn2-0 vulnerability (USN-3421-1)

critical Nessus Plugin ID 103325

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Synopsis

The remote Ubuntu host is missing one or more security-related patches.

Description

It was discovered that Libidn2 incorrectly handled certain input. A remote attacker could possibly use this issue to cause Libidn2 to crash, resulting in a denial of service.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

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

See Also

https://usn.ubuntu.com/3421-1/

Plugin Details

Severity: Critical

ID: 103325

File Name: ubuntu_USN-3421-1.nasl

Version: 3.7

Type: local

Agent: unix

Published: 9/19/2017

Updated: 1/12/2023

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 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: cpe:/o:canonical:ubuntu_linux:17.04, p-cpe:/a:canonical:ubuntu_linux:libidn2-0, p-cpe:/a:canonical:ubuntu_linux:idn2

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/18/2017

Vulnerability Publication Date: 8/31/2017

Reference Information

CVE: CVE-2017-14062

USN: 3421-1