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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://rhn.redhat.com/errata/RHSA-2015-2522.html

Issue date: 2015-11-30

CVE Names: CVE-2015-7501

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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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