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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: jakarta-commons-daemon-jsvc security update
Advisory ID:       RHSA-2011:1292-01
Product:           JBoss Enterprise Web Server
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2011-1292.html
Issue date:        2011-09-14
CVE Names:         CVE-2011-2729 
=====================================================================

1. Summary:

An updated jakarta-commons-daemon-jsvc package that fixes one security
issue is now available for JBoss Enterprise Web Server 1.0 for Red Hat
Enterprise Linux 4.

The Red Hat Security Response Team 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:

JBoss Enterprise Web Server 1.0 for RHEL 4 AS - i386, x86_64
JBoss Enterprise Web Server 1.0 for RHEL 4 ES - i386, x86_64

3. Description:

The jakarta-commons-daemon-jsvc package includes jsvc, a service wrapper
that allows Java applications to be run as daemons.

It was found that jsvc did not correctly drop capabilities after starting
an application. If an administrator used jsvc to run an application, and
also used the "-user" option to specify a user for it to run as, the
application correctly ran as that user but did not drop its increased
capabilities, allowing it access to all files and directories accessible to
the root user. (CVE-2011-2729)

Note: This flaw does not affect Red Hat Enterprise Linux 5 and 6, as the
jakarta-commons-daemon-jsvc packages for those products are not built with
capabilities support.

Users of JBoss Enterprise Web Server 1.0 for Red Hat Enterprise Linux 4
should upgrade to this updated package, which contains backported patches
to correct this issue. If jsvc is started, it must be restarted for this
update to take effect.

4. 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/kb/docs/DOC-11259

5. Bugs fixed (https://bugzilla.redhat.com/):

730400 - CVE-2011-2729 jakarta-commons-daemon: jsvc does not drop capabilities allowing access to files and directories owned by the superuser

6. Package List:

JBoss Enterprise Web Server 1.0 for RHEL 4 AS:

Source:
jakarta-commons-daemon-jsvc-1.0.5-1.5.patch01.ep5.el4.src.rpm

i386:
jakarta-commons-daemon-jsvc-1.0.5-1.5.patch01.ep5.el4.i386.rpm
jakarta-commons-daemon-jsvc-debuginfo-1.0.5-1.5.patch01.ep5.el4.i386.rpm

x86_64:
jakarta-commons-daemon-jsvc-1.0.5-1.5.patch01.ep5.el4.x86_64.rpm
jakarta-commons-daemon-jsvc-debuginfo-1.0.5-1.5.patch01.ep5.el4.x86_64.rpm

JBoss Enterprise Web Server 1.0 for RHEL 4 ES:

Source:
jakarta-commons-daemon-jsvc-1.0.5-1.5.patch01.ep5.el4.src.rpm

i386:
jakarta-commons-daemon-jsvc-1.0.5-1.5.patch01.ep5.el4.i386.rpm
jakarta-commons-daemon-jsvc-debuginfo-1.0.5-1.5.patch01.ep5.el4.i386.rpm

x86_64:
jakarta-commons-daemon-jsvc-1.0.5-1.5.patch01.ep5.el4.x86_64.rpm
jakarta-commons-daemon-jsvc-debuginfo-1.0.5-1.5.patch01.ep5.el4.x86_64.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/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2011-2729.html
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2011 Red Hat, Inc.
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