RHSA-2015:2537 - Security Advisory

Topic

An updated package for the apache commons-collections library, fixing one
security issue, is now available for Red Hat JBoss Portal 6.2.0 from the
Red Hat Customer Portal.

Red Hat Product Security has rated this update as having Critical 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.

Description

Red Hat JBoss Portal is the open source implementation of the Java EE suite
of services and Portal services running atop Red Hat JBoss Enterprise
Application Platform.

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)

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

All users of Red Hat JBoss Portal 6.2.0 as provided from the Red Hat
Customer Portal are advised to install this security patch.

Solution

The References section of this erratum contains a download link (you must
log in to download the update). Before applying the update, back up all
applications deployed on JBoss Enterprise Portal Platform, along with all
databases, database settings, and customized configuration files.

Affected Products

• Red Hat JBoss Middleware Text-Only Advisories for MIDDLEWARE 1 x86_64

Fixes

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

CVEs

• CVE-2015-7501

References

• https://access.redhat.com/security/updates/classification/#critical
• https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=jbportal&downloadType=securityPatches&version=6.2.0
• https://access.redhat.com/solutions/2045023