Oracle Linux 7 : libxml2 (ELSA-2015-0749)

medium Nessus Plugin ID 82464

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

From Red Hat Security Advisory 2015:0749 :

Updated libxml2 packages that fix one security issue are now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The libxml2 library is a development toolbox providing the implementation of various XML standards.

It was discovered that libxml2 loaded external parameter entities even when entity substitution was disabled. A remote attacker able to provide a specially crafted XML file to an application linked against libxml2 could use this flaw to conduct XML External Entity (XXE) attacks, possibly resulting in a denial of service or an information leak on the system. (CVE-2014-0191)

The CVE-2014-0191 issue was discovered by Daniel P. Berrange of Red Hat.

All libxml2 users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. The desktop must be restarted (log out, then log back in) for this update to take effect.

Solution

Update the affected libxml2 packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2015-March/004955.html

Plugin Details

Severity: Medium

ID: 82464

File Name: oraclelinux_ELSA-2015-0749.nasl

Version: 1.7

Type: local

Agent: unix

Published: 3/31/2015

Updated: 1/14/2021

Supported Sensors: Frictionless Assessment Agent

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:libxml2, p-cpe:/a:oracle:linux:libxml2-devel, p-cpe:/a:oracle:linux:libxml2-python, p-cpe:/a:oracle:linux:libxml2-static, cpe:/o:oracle:linux:7

Required KB Items: Host/local_checks_enabled, Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 3/30/2015

Vulnerability Publication Date: 1/21/2015

Reference Information

CVE: CVE-2014-0191

BID: 67233, 70644

RHSA: 2015:0749