Debian DLA-229-1 : libnokogiri-ruby security update

high Nessus Plugin ID 83864

Synopsis

The remote Debian host is missing a security update.

Description

An XML eXternal Entity (XXE) flaw was found in Nokogiri, a Ruby gem for parsing HTML, XML, and SAX. Using external XML entities, a remote attacker could specify a URL in a specially crafted XML that, when parsed, would cause a connection to that URL to be opened.

This update enables the 'nonet' option by default (and provides new methods to disable default options if needed).

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

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2015/05/msg00012.html

https://packages.debian.org/source/squeeze-lts/libnokogiri-ruby

Plugin Details

Severity: High

ID: 83864

File Name: debian_DLA-229.nasl

Version: 2.8

Type: local

Agent: unix

Published: 5/28/2015

Updated: 1/11/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libnokogiri-ruby, p-cpe:/a:debian:debian_linux:libnokogiri-ruby1.8, p-cpe:/a:debian:debian_linux:libnokogiri-ruby1.9.1, cpe:/o:debian:debian_linux:6.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/27/2015

Vulnerability Publication Date: 2/19/2020

Reference Information

CVE: CVE-2012-6685