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

This script is Copyright (C) 2015 Tenable Network Security, Inc.


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.

See also :

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

Solution :

Update the affected libxml2 packages.

Risk factor :

Medium / CVSS Base Score : 4.3
(CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 3.7
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Oracle Linux Local Security Checks

Nessus Plugin ID: 82464 ()

Bugtraq ID: 67233
70644

CVE ID: CVE-2014-0191

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