RHEL 6 : tomcat6 (RHSA-2014:1038)

This script is Copyright (C) 2014-2017 Tenable Network Security, Inc.


Synopsis :

The remote Red Hat host is missing one or more security updates.

Description :

Updated tomcat6 packages that fix two security issues are now
available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having Low security
impact. Common Vulnerability Scoring System (CVSS) base scores, which
give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.

Apache Tomcat is a servlet container for the Java Servlet and
JavaServer Pages (JSP) technologies.

It was found that several application-provided XML files, such as
web.xml, content.xml, *.tld, *.tagx, and *.jspx, resolved external
entities, permitting XML External Entity (XXE) attacks. An attacker
able to deploy malicious applications to Tomcat could use this flaw to
circumvent security restrictions set by the JSM, and gain access to
sensitive information on the system. Note that this flaw only affected
deployments in which Tomcat is running applications from untrusted
sources, such as in a shared hosting environment. (CVE-2013-4590)

It was found that, in certain circumstances, it was possible for a
malicious web application to replace the XML parsers used by Apache
Tomcat to process XSLTs for the default servlet, JSP documents, tag
library descriptors (TLDs), and tag plug-in configuration files. The
injected XML parser(s) could then bypass the limits imposed on XML
external entities and/or gain access to the XML files processed for
other web applications deployed on the same Apache Tomcat instance.
(CVE-2014-0119)

All Tomcat users are advised to upgrade to these updated packages,
which contain backported patches to correct these issues. Tomcat must
be restarted for this update to take effect.

See also :

https://www.redhat.com/security/data/cve/CVE-2013-4590.html
https://www.redhat.com/security/data/cve/CVE-2014-0119.html
https://tomcat.apache.org/security-6.html
http://rhn.redhat.com/errata/RHSA-2014-1038.html

Solution :

Update the affected packages.

Risk factor :

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

Family: Red Hat Local Security Checks

Nessus Plugin ID: 77141 ()

Bugtraq ID: 65768
67669

CVE ID: CVE-2013-4590
CVE-2014-0119

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