Topic

An update is now available for Red Hat JBoss BRMS.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Red Hat JBoss BRMS is a business rules management system for the management, storage, creation, modification, and deployment of JBoss Rules.

Security Fix(es):

• It was found that JGroups did not require necessary headers for encrypt and auth protocols from new nodes joining the cluster. An attacker could use this flaw to bypass security restrictions, and use this vulnerability to send and receive messages within the cluster, leading to information disclosure, message spoofing, or further possible attacks. (CVE-2016-2141)

This issue was discovered by Dennis Reed (Red Hat).

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 your
existing installation, including all applications, configuration files,
databases and database settings, and so on.

It is recommended to halt the server by stopping the JBoss Application
Server process before installing this update; after installing the update,
restart the server by starting the JBoss Application Server process.

Affected Products

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

Fixes

• BZ - 1313589 - CVE-2016-2141 JGroups: Authorization bypass

CVEs

• CVE-2016-2141

References

• https://access.redhat.com/security/updates/classification/#critical
• https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=brms&downloadType=securityPatches&version=5.3.1
• https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=brms&downloadType=securityPatches&version=6.3
• https://access.redhat.com/articles/2360521