Red Hat Product Errata RHSA-2012:1012 - Security Advisory
Issued:
2012-06-19
Updated:
2012-06-19

RHSA-2012:1012 - Security Advisory

Synopsis

Moderate: mod_cluster security update

Type/Severity

Security Advisory: Moderate

Topic

An update for JBoss Enterprise Web Server 1.0.2 that fixes one security
issue is now available from the Red Hat Customer Portal.

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

mod_cluster is an Apache HTTP Server (httpd) based load balancer that
forwards requests from httpd to application server nodes. It can use the
AJP, HTTP, or HTTPS protocols for communication with application server
nodes.

The RHSA-2012:0036 update for JBoss Enterprise Web Server 1.0.2 introduced
a regression, causing mod_cluster to register and expose the root context
of a server by default, even when "ROOT" was in the "excludedContexts" list
in the mod_cluster configuration. If an application was deployed on the
root context, a remote attacker could use this flaw to bypass intended
access restrictions and gain access to that application. (CVE-2012-1154)

Warning: Before applying the update, back up your existing JBoss Enterprise
Web Server installation (including all applications and configuration
files).

All users of JBoss Enterprise Web Server 1.0.2 as provided from the Red Hat
Customer Portal are advised to apply this update.

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 JBoss Enterprise Web Server installation (including all
applications and configuration files).

Apache Tomcat must be restarted for this update to take effect.

Affected Products

  • JBoss Enterprise Web Server Text-Only Advisories x86_64

Fixes

  • BZ - 802200 - CVE-2012-1154 mod_cluster registers and exposes the root context of a server by default, despite ROOT being in the excluded-contexts list

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