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Red Hat Product Errata RHSA-2013:1044 - Security Advisory
Issued:
2013-07-10
Updated:
2013-07-10

RHSA-2013:1044 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Critical: jboss-seam2 security update

Type/Severity

Security Advisory: Critical

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

Updated jboss-seam2 packages that fix one security issue are now available
for Red Hat JBoss Enterprise Application Platform 4.3.0 CP10 for Red Hat
Enterprise Linux 4 and 5.

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

Description

The JBoss Seam 2 framework is an application framework for building web
applications in Java. The RichFaces component is an open source framework
that adds Ajax capability into existing JavaServer Faces (JSF)
applications.

A flaw was found in the way RichFaces ResourceBuilderImpl handled
deserialization. A remote attacker could use this flaw to trigger the
execution of the deserialization methods in any serializable class deployed
on the server. This could lead to a variety of security impacts depending
on the deserialization logic of these classes. (CVE-2013-2165)

The fix for this issue introduces a whitelist to limit classes that can be
deserialized by RichFaces.

If you require to whitelist a class that is not already listed, for
example, a custom class, you can achieve this by following one of these
methods:

Method 1: Implementing the SerializableResource interface.
In RichFaces 3, this is defined at
org.ajax4jsf.resource.SerializableResource and in RichFaces 4/5, at
org.richfaces.resource.SerializableResource.

Method 2: Adding the class to the resource-serialization.properties file
(a default properties file is provided once this update is applied).
To do this you can extend the framework provided properties file that is
available under org.ajax4jsf.resource in RichFaces 3 and
org.richfaces.resource in RichFaces 4/5. The modified properties file has
to be copied into the classpath of your deployment under the
version-specific packages.

Where possible, it is recommended that Method 1 be followed.

Red Hat would like to thank Takeshi Terada (Mitsui Bussan Secure
Directions, Inc.) for reporting this issue.

Warning: Before applying this update, back up your existing Red Hat JBoss
Enterprise Application Platform installation (including all applications
and configuration files).

All users of Red Hat JBoss Enterprise Application Platform 4.3.0 CP10 on
Red Hat Enterprise Linux 4 and 5 are advised to upgrade to these updated
packages. The JBoss server process must be restarted for the update to take
effect.

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/knowledge/articles/11258

Affected Products

  • JBoss Enterprise Application Platform 4.3.0 x86_64
  • JBoss Enterprise Application Platform 4.3.0 i386

Fixes

  • BZ - 973570 - CVE-2013-2165 JBoss RichFaces: Remote code execution due to insecure deserialization

CVEs

  • CVE-2013-2165

References

  • https://access.redhat.com/security/updates/classification/#critical
Note: More recent versions of these packages may be available. Click a package name for more details.

JBoss Enterprise Application Platform 4.3.0

SRPM
jboss-seam2-2.0.2.FP_SEC1-1.ep2.6.el5.src.rpm SHA-256: 9126a1bab20bc506f417107f47c5a3cbf41b9a59af3bbb501a6185eaa87a61f1
x86_64
jboss-seam2-2.0.2.FP_SEC1-1.ep2.6.el5.noarch.rpm SHA-256: 184f3e7bb39672b444d73f3fe6fad667d471090b0e5928fde4ea0f9d39c6e2a1
jboss-seam2-docs-2.0.2.FP_SEC1-1.ep2.6.el5.noarch.rpm SHA-256: 25c72936e9b8181f3307222f766f50654507bb1f6a6af7ddbe363a06bc487123
i386
jboss-seam2-2.0.2.FP_SEC1-1.ep2.6.el5.noarch.rpm SHA-256: 184f3e7bb39672b444d73f3fe6fad667d471090b0e5928fde4ea0f9d39c6e2a1
jboss-seam2-docs-2.0.2.FP_SEC1-1.ep2.6.el5.noarch.rpm SHA-256: 25c72936e9b8181f3307222f766f50654507bb1f6a6af7ddbe363a06bc487123

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

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