Detections
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Ubuntu 18.04 LTS : Libidn2 vulnerabilities (USN-4168-1)

critical Nessus Plugin ID 130393

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Synopsis

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

Description

The remote Ubuntu 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4168-1 advisory.

 It was discovered that Libidn2 incorrectly handled certain inputs. A attacker could possibly use this issue to impersonate domains. (CVE-2019-12290)

 It was discovered that Libidn2 incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2019-18224)

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-4168-1

Plugin Details

Severity: Critical

ID: 130393

File Name: ubuntu_USN-4168-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 10/30/2019

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: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2019-18224

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:idn2, p-cpe:/a:canonical:ubuntu_linux:libidn2-0-dev, p-cpe:/a:canonical:ubuntu_linux:libidn2-dev, p-cpe:/a:canonical:ubuntu_linux:libidn2-0

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: 10/29/2019

Vulnerability Publication Date: 10/21/2019

Reference Information

CVE: CVE-2019-12290, CVE-2019-18224

USN: 4168-1