GLSA-202003-63 : GNU IDN Library 2: Multiple vulnerabilities

critical Nessus Plugin ID 135018

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Synopsis

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

Description

The remote host is affected by the vulnerability described in GLSA-202003-63 (GNU IDN Library 2: Multiple vulnerabilities)

 Multiple vulnerabilities have been discovered in GNU IDN Library 2.
 Please review the CVE identifiers referenced below for details.
 Impact :

 A remote attacker could send specially crafted input, possibly resulting in execution of arbitrary code with the privileges of the process, impersonation of domains or a Denial of Service condition.
 Workaround :

 There is no known workaround at this time.

Solution

All GNU IDN Library 2 users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=net-dns/libidn2-2.2.0'

See Also

https://security.gentoo.org/glsa/202003-63

Plugin Details

Severity: Critical

ID: 135018

File Name: gentoo_GLSA-202003-63.nasl

Version: 1.2

Type: local

Published: 3/31/2020

Updated: 4/2/2020

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

Temporal Vector: E:U/RL:OF/RC:C

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: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:libidn2, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 3/30/2020

Vulnerability Publication Date: 10/21/2019

Reference Information

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

GLSA: 202003-63