Updated apache-commons-collections 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 Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which

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

Synopsis:          Important: apache-commons-collections security update
Advisory ID:       RHSA-2015:2522-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2015:2522.html
Issue date:        2015-11-30
CVE Names:         CVE-2015-7501 
====================================================================
1. Summary:

Updated apache-commons-collections 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 Important 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 Client Optional (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:

The Apache Commons Collections library provides new interfaces,
implementations, and utilities to extend the features of the Java
Collections Framework.

It was found that the Apache commons-collections library permitted code
execution when deserializing objects involving a specially constructed
chain of classes. A remote attacker could use this flaw to execute
arbitrary code with the permissions of the application using the
commons-collections library. (CVE-2015-7501)

With this update, deserialization of certain classes in the
commons-collections library is no longer allowed. Applications that require
those classes to be deserialized can use the system property
"org.apache.commons.collections.enableUnsafeSerialization" to re-enable
their deserialization.

Further information about this security flaw may be found at:
https://access.redhat.com/solutions/2045023

All users of apache-commons-collections are advised to upgrade to these
updated packages, which contain a backported patch to correct this issue.
All running applications using the commons-collections library must be
restarted for the 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/):

1279330 - CVE-2015-7501 apache-commons-collections: InvokerTransformer code execution during deserialisation

6. Package List:

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

Source:
apache-commons-collections-3.2.1-22.el7_2.src.rpm

noarch:
apache-commons-collections-3.2.1-22.el7_2.noarch.rpm
apache-commons-collections-javadoc-3.2.1-22.el7_2.noarch.rpm
apache-commons-collections-testframework-3.2.1-22.el7_2.noarch.rpm
apache-commons-collections-testframework-javadoc-3.2.1-22.el7_2.noarch.rpm

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

Source:
apache-commons-collections-3.2.1-22.el7_2.src.rpm

noarch:
apache-commons-collections-3.2.1-22.el7_2.noarch.rpm
apache-commons-collections-javadoc-3.2.1-22.el7_2.noarch.rpm
apache-commons-collections-testframework-3.2.1-22.el7_2.noarch.rpm
apache-commons-collections-testframework-javadoc-3.2.1-22.el7_2.noarch.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
apache-commons-collections-3.2.1-22.el7_2.src.rpm

noarch:
apache-commons-collections-3.2.1-22.el7_2.noarch.rpm

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

Source:
apache-commons-collections-3.2.1-22.el7_2.src.rpm

noarch:
apache-commons-collections-3.2.1-22.el7_2.noarch.rpm
apache-commons-collections-javadoc-3.2.1-22.el7_2.noarch.rpm
apache-commons-collections-testframework-3.2.1-22.el7_2.noarch.rpm
apache-commons-collections-testframework-javadoc-3.2.1-22.el7_2.noarch.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
apache-commons-collections-3.2.1-22.el7_2.src.rpm

noarch:
apache-commons-collections-3.2.1-22.el7_2.noarch.rpm

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

noarch:
apache-commons-collections-javadoc-3.2.1-22.el7_2.noarch.rpm
apache-commons-collections-testframework-3.2.1-22.el7_2.noarch.rpm
apache-commons-collections-testframework-javadoc-3.2.1-22.el7_2.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/

7. References:

https://access.redhat.com/security/cve/CVE-2015-7501
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/solutions/2045023

8. Contact:

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

Copyright 2015 Red Hat, Inc.
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