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[RHSA-2014:0827-01] Moderate: tomcat security update



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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: tomcat security update
Advisory ID:       RHSA-2014:0827-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2014-0827.html
Issue date:        2014-07-02
CVE Names:         CVE-2014-0075 CVE-2014-0096 CVE-2014-0099 
=====================================================================

1. Summary:

Updated tomcat packages that fix three security issues are now available
for Red Hat Enterprise Linux 7.

The Red Hat Security Response Team has rated this update as having Moderate
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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - noarch
Red Hat Enterprise Linux Client Optional (v. 7) - noarch
Red Hat Enterprise Linux ComputeNode (v. 7) - noarch
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch
Red Hat Enterprise Linux Server (v. 7) - noarch
Red Hat Enterprise Linux Server Optional (v. 7) - noarch
Red Hat Enterprise Linux Workstation (v. 7) - noarch
Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch

3. Description:

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

It was discovered that Apache Tomcat did not limit the length of chunk
sizes when using chunked transfer encoding. A remote attacker could use
this flaw to perform a denial of service attack against Tomcat by streaming
an unlimited quantity of data, leading to excessive consumption of server
resources. (CVE-2014-0075)

It was found that Apache Tomcat did not check for overflowing values when
parsing request content length headers. A remote attacker could use this
flaw to perform an HTTP request smuggling attack on a Tomcat server located
behind a reverse proxy that processed the content length header correctly.
(CVE-2014-0099)

It was found that the org.apache.catalina.servlets.DefaultServlet
implementation in Apache Tomcat allowed the definition of XML External
Entities (XXEs) in provided XSLTs. A malicious application could use this
to circumvent intended security restrictions to disclose sensitive
information. (CVE-2014-0096)

The CVE-2014-0075 issue was discovered by David Jorm of Red Hat Product
Security.

All Tomcat 7 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.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/site/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1072776 - CVE-2014-0075 Tomcat/JBossWeb: Limited DoS in chunked transfer encoding input filter
1088342 - CVE-2014-0096 Tomcat/JBossWeb: XXE vulnerability via user supplied XSLTs
1102030 - CVE-2014-0099 Tomcat/JBossWeb: Request smuggling via malicious content length header

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
tomcat-7.0.42-6.el7_0.src.rpm

noarch:
tomcat-servlet-3.0-api-7.0.42-6.el7_0.noarch.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

noarch:
tomcat-7.0.42-6.el7_0.noarch.rpm
tomcat-admin-webapps-7.0.42-6.el7_0.noarch.rpm
tomcat-docs-webapp-7.0.42-6.el7_0.noarch.rpm
tomcat-el-2.2-api-7.0.42-6.el7_0.noarch.rpm
tomcat-javadoc-7.0.42-6.el7_0.noarch.rpm
tomcat-jsp-2.2-api-7.0.42-6.el7_0.noarch.rpm
tomcat-jsvc-7.0.42-6.el7_0.noarch.rpm
tomcat-lib-7.0.42-6.el7_0.noarch.rpm
tomcat-webapps-7.0.42-6.el7_0.noarch.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
tomcat-7.0.42-6.el7_0.src.rpm

noarch:
tomcat-servlet-3.0-api-7.0.42-6.el7_0.noarch.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

noarch:
tomcat-7.0.42-6.el7_0.noarch.rpm
tomcat-admin-webapps-7.0.42-6.el7_0.noarch.rpm
tomcat-docs-webapp-7.0.42-6.el7_0.noarch.rpm
tomcat-el-2.2-api-7.0.42-6.el7_0.noarch.rpm
tomcat-javadoc-7.0.42-6.el7_0.noarch.rpm
tomcat-jsp-2.2-api-7.0.42-6.el7_0.noarch.rpm
tomcat-jsvc-7.0.42-6.el7_0.noarch.rpm
tomcat-lib-7.0.42-6.el7_0.noarch.rpm
tomcat-webapps-7.0.42-6.el7_0.noarch.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
tomcat-7.0.42-6.el7_0.src.rpm

noarch:
tomcat-7.0.42-6.el7_0.noarch.rpm
tomcat-admin-webapps-7.0.42-6.el7_0.noarch.rpm
tomcat-el-2.2-api-7.0.42-6.el7_0.noarch.rpm
tomcat-jsp-2.2-api-7.0.42-6.el7_0.noarch.rpm
tomcat-lib-7.0.42-6.el7_0.noarch.rpm
tomcat-servlet-3.0-api-7.0.42-6.el7_0.noarch.rpm
tomcat-webapps-7.0.42-6.el7_0.noarch.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

noarch:
tomcat-7.0.42-6.el7_0.noarch.rpm
tomcat-admin-webapps-7.0.42-6.el7_0.noarch.rpm
tomcat-docs-webapp-7.0.42-6.el7_0.noarch.rpm
tomcat-el-2.2-api-7.0.42-6.el7_0.noarch.rpm
tomcat-javadoc-7.0.42-6.el7_0.noarch.rpm
tomcat-jsp-2.2-api-7.0.42-6.el7_0.noarch.rpm
tomcat-jsvc-7.0.42-6.el7_0.noarch.rpm
tomcat-lib-7.0.42-6.el7_0.noarch.rpm
tomcat-webapps-7.0.42-6.el7_0.noarch.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
tomcat-7.0.42-6.el7_0.src.rpm

noarch:
tomcat-7.0.42-6.el7_0.noarch.rpm
tomcat-admin-webapps-7.0.42-6.el7_0.noarch.rpm
tomcat-el-2.2-api-7.0.42-6.el7_0.noarch.rpm
tomcat-jsp-2.2-api-7.0.42-6.el7_0.noarch.rpm
tomcat-lib-7.0.42-6.el7_0.noarch.rpm
tomcat-servlet-3.0-api-7.0.42-6.el7_0.noarch.rpm
tomcat-webapps-7.0.42-6.el7_0.noarch.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

noarch:
tomcat-docs-webapp-7.0.42-6.el7_0.noarch.rpm
tomcat-javadoc-7.0.42-6.el7_0.noarch.rpm
tomcat-jsvc-7.0.42-6.el7_0.noarch.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2014-0075.html
https://www.redhat.com/security/data/cve/CVE-2014-0096.html
https://www.redhat.com/security/data/cve/CVE-2014-0099.html
https://access.redhat.com/security/updates/classification/#moderate
http://tomcat.apache.org/security-7.html

8. Contact:

The Red Hat security contact is <secalert redhat com>.  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2014 Red Hat, Inc.
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