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Red Hat Security Advisory 2016-0492-01

Red Hat Security Advisory 2016-0492-01
Posted Mar 23, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-0492-01 - Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages technologies. It was found that the expression language resolver evaluated expressions within a privileged code section. A malicious web application could use this flaw to bypass security manager protections. Previously, using a New I/O connector in the Apache Tomcat 6 servlet resulted in a large memory leak. An upstream patch has been applied to fix this bug, and the memory leak no longer occurs.

tags | advisory, java, web, memory leak
systems | linux, redhat
advisories | CVE-2014-7810
SHA-256 | 986c615e343a02a31239053dbcc2ca4ace64881603b3079b68d4cc77891cc485

Red Hat Security Advisory 2016-0492-01

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

Synopsis: Moderate: tomcat6 security and bug fix update
Advisory ID: RHSA-2016:0492-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-0492.html
Issue date: 2016-03-22
CVE Names: CVE-2014-7810
=====================================================================

1. Summary:

Updated tomcat6 packages that fix one security issue and one bug are now
available for Red Hat Enterprise Linux 6.

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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. Description:

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

It was found that the expression language resolver evaluated expressions
within a privileged code section. A malicious web application could use
this flaw to bypass security manager protections. (CVE-2014-7810)

This update also fixes the following bug:

* Previously, using a New I/O (NIO) connector in the Apache Tomcat 6
servlet resulted in a large memory leak. An upstream patch has been applied
to fix this bug, and the memory leak no longer occurs. (BZ#1301646)

All Tomcat 6 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.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

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

1222573 - CVE-2014-7810 Tomcat/JbossWeb: security manager bypass via EL expressions
1301646 - Tomcat 6 NIO connector memory leak [rhel-6.7.z]

6. Package List:

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:
tomcat6-6.0.24-94.el6_7.src.rpm

i386:
tomcat6-6.0.24-94.el6_7.i686.rpm
tomcat6-admin-webapps-6.0.24-94.el6_7.i686.rpm
tomcat6-debuginfo-6.0.24-94.el6_7.i686.rpm
tomcat6-docs-webapp-6.0.24-94.el6_7.i686.rpm
tomcat6-el-2.1-api-6.0.24-94.el6_7.i686.rpm
tomcat6-javadoc-6.0.24-94.el6_7.i686.rpm
tomcat6-jsp-2.1-api-6.0.24-94.el6_7.i686.rpm
tomcat6-lib-6.0.24-94.el6_7.i686.rpm
tomcat6-servlet-2.5-api-6.0.24-94.el6_7.i686.rpm
tomcat6-webapps-6.0.24-94.el6_7.i686.rpm

x86_64:
tomcat6-6.0.24-94.el6_7.x86_64.rpm
tomcat6-admin-webapps-6.0.24-94.el6_7.x86_64.rpm
tomcat6-debuginfo-6.0.24-94.el6_7.x86_64.rpm
tomcat6-docs-webapp-6.0.24-94.el6_7.x86_64.rpm
tomcat6-el-2.1-api-6.0.24-94.el6_7.x86_64.rpm
tomcat6-javadoc-6.0.24-94.el6_7.x86_64.rpm
tomcat6-jsp-2.1-api-6.0.24-94.el6_7.x86_64.rpm
tomcat6-lib-6.0.24-94.el6_7.x86_64.rpm
tomcat6-servlet-2.5-api-6.0.24-94.el6_7.x86_64.rpm
tomcat6-webapps-6.0.24-94.el6_7.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
tomcat6-6.0.24-94.el6_7.src.rpm

x86_64:
tomcat6-6.0.24-94.el6_7.x86_64.rpm
tomcat6-admin-webapps-6.0.24-94.el6_7.x86_64.rpm
tomcat6-debuginfo-6.0.24-94.el6_7.x86_64.rpm
tomcat6-docs-webapp-6.0.24-94.el6_7.x86_64.rpm
tomcat6-el-2.1-api-6.0.24-94.el6_7.x86_64.rpm
tomcat6-javadoc-6.0.24-94.el6_7.x86_64.rpm
tomcat6-jsp-2.1-api-6.0.24-94.el6_7.x86_64.rpm
tomcat6-lib-6.0.24-94.el6_7.x86_64.rpm
tomcat6-servlet-2.5-api-6.0.24-94.el6_7.x86_64.rpm
tomcat6-webapps-6.0.24-94.el6_7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
tomcat6-6.0.24-94.el6_7.src.rpm

i386:
tomcat6-6.0.24-94.el6_7.i686.rpm
tomcat6-debuginfo-6.0.24-94.el6_7.i686.rpm
tomcat6-el-2.1-api-6.0.24-94.el6_7.i686.rpm
tomcat6-jsp-2.1-api-6.0.24-94.el6_7.i686.rpm
tomcat6-lib-6.0.24-94.el6_7.i686.rpm
tomcat6-servlet-2.5-api-6.0.24-94.el6_7.i686.rpm

ppc64:
tomcat6-6.0.24-94.el6_7.ppc64.rpm
tomcat6-debuginfo-6.0.24-94.el6_7.ppc64.rpm
tomcat6-el-2.1-api-6.0.24-94.el6_7.ppc64.rpm
tomcat6-jsp-2.1-api-6.0.24-94.el6_7.ppc64.rpm
tomcat6-lib-6.0.24-94.el6_7.ppc64.rpm
tomcat6-servlet-2.5-api-6.0.24-94.el6_7.ppc64.rpm

s390x:
tomcat6-6.0.24-94.el6_7.s390x.rpm
tomcat6-debuginfo-6.0.24-94.el6_7.s390x.rpm
tomcat6-el-2.1-api-6.0.24-94.el6_7.s390x.rpm
tomcat6-jsp-2.1-api-6.0.24-94.el6_7.s390x.rpm
tomcat6-lib-6.0.24-94.el6_7.s390x.rpm
tomcat6-servlet-2.5-api-6.0.24-94.el6_7.s390x.rpm

x86_64:
tomcat6-6.0.24-94.el6_7.x86_64.rpm
tomcat6-debuginfo-6.0.24-94.el6_7.x86_64.rpm
tomcat6-el-2.1-api-6.0.24-94.el6_7.x86_64.rpm
tomcat6-jsp-2.1-api-6.0.24-94.el6_7.x86_64.rpm
tomcat6-lib-6.0.24-94.el6_7.x86_64.rpm
tomcat6-servlet-2.5-api-6.0.24-94.el6_7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

i386:
tomcat6-admin-webapps-6.0.24-94.el6_7.i686.rpm
tomcat6-debuginfo-6.0.24-94.el6_7.i686.rpm
tomcat6-docs-webapp-6.0.24-94.el6_7.i686.rpm
tomcat6-javadoc-6.0.24-94.el6_7.i686.rpm
tomcat6-webapps-6.0.24-94.el6_7.i686.rpm

ppc64:
tomcat6-admin-webapps-6.0.24-94.el6_7.ppc64.rpm
tomcat6-debuginfo-6.0.24-94.el6_7.ppc64.rpm
tomcat6-docs-webapp-6.0.24-94.el6_7.ppc64.rpm
tomcat6-javadoc-6.0.24-94.el6_7.ppc64.rpm
tomcat6-webapps-6.0.24-94.el6_7.ppc64.rpm

s390x:
tomcat6-admin-webapps-6.0.24-94.el6_7.s390x.rpm
tomcat6-debuginfo-6.0.24-94.el6_7.s390x.rpm
tomcat6-docs-webapp-6.0.24-94.el6_7.s390x.rpm
tomcat6-javadoc-6.0.24-94.el6_7.s390x.rpm
tomcat6-webapps-6.0.24-94.el6_7.s390x.rpm

x86_64:
tomcat6-admin-webapps-6.0.24-94.el6_7.x86_64.rpm
tomcat6-debuginfo-6.0.24-94.el6_7.x86_64.rpm
tomcat6-docs-webapp-6.0.24-94.el6_7.x86_64.rpm
tomcat6-javadoc-6.0.24-94.el6_7.x86_64.rpm
tomcat6-webapps-6.0.24-94.el6_7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
tomcat6-6.0.24-94.el6_7.src.rpm

i386:
tomcat6-6.0.24-94.el6_7.i686.rpm
tomcat6-debuginfo-6.0.24-94.el6_7.i686.rpm
tomcat6-el-2.1-api-6.0.24-94.el6_7.i686.rpm
tomcat6-jsp-2.1-api-6.0.24-94.el6_7.i686.rpm
tomcat6-lib-6.0.24-94.el6_7.i686.rpm
tomcat6-servlet-2.5-api-6.0.24-94.el6_7.i686.rpm

x86_64:
tomcat6-6.0.24-94.el6_7.x86_64.rpm
tomcat6-debuginfo-6.0.24-94.el6_7.x86_64.rpm
tomcat6-el-2.1-api-6.0.24-94.el6_7.x86_64.rpm
tomcat6-jsp-2.1-api-6.0.24-94.el6_7.x86_64.rpm
tomcat6-lib-6.0.24-94.el6_7.x86_64.rpm
tomcat6-servlet-2.5-api-6.0.24-94.el6_7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

i386:
tomcat6-admin-webapps-6.0.24-94.el6_7.i686.rpm
tomcat6-debuginfo-6.0.24-94.el6_7.i686.rpm
tomcat6-docs-webapp-6.0.24-94.el6_7.i686.rpm
tomcat6-javadoc-6.0.24-94.el6_7.i686.rpm
tomcat6-webapps-6.0.24-94.el6_7.i686.rpm

x86_64:
tomcat6-admin-webapps-6.0.24-94.el6_7.x86_64.rpm
tomcat6-debuginfo-6.0.24-94.el6_7.x86_64.rpm
tomcat6-docs-webapp-6.0.24-94.el6_7.x86_64.rpm
tomcat6-javadoc-6.0.24-94.el6_7.x86_64.rpm
tomcat6-webapps-6.0.24-94.el6_7.x86_64.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/

7. References:

https://access.redhat.com/security/cve/CVE-2014-7810
https://access.redhat.com/security/updates/classification/#moderate
https://tomcat.apache.org/security-6.html#Fixed_in_Apache_Tomcat_6.0.44

8. Contact:

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

Copyright 2016 Red Hat, Inc.
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