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Category:   Application (Generic)  >   Red Hat Network Satellite Server Vendors:   Red Hat
Red Hat Network Satellite Server Inter-Satellite Sync Remote Authentication Bypass
SecurityTracker Alert ID:  1028587
SecurityTracker URL:  http://securitytracker.com/id/1028587
CVE Reference:   CVE-2013-2056   (Links to External Site)
Date:  May 21 2013
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.3, 5.4, 5.5
Description:   A vulnerability was reported in Red Hat Network Satellite Server. A remote user can bypass authentication.

The system does not properly validate all Inter-Satellite Sync operations. A remote user can skip the initial authentication call to obtain all channel content from any Red Hat Network Satellite server.

This can be exploited even if Inter-Satellite Sync support is disabled.

Jan Pazdziora of the Red Hat Satellite Engineering team reported this vulnerability.

Impact:   A remote user can bypass authentication to gain access to all channel content on the target server.
Solution:   The vendor has issued a fix.

The vendor's advisory is available at:

https://rhn.redhat.com/errata/RHSA-2013-0848.html

Vendor URL:  rhn.redhat.com/errata/RHSA-2013-0848.html (Links to External Site)
Cause:   Authentication error
Underlying OS:   Linux (Red Hat Enterprise)

Message History:   None.


 Source Message Contents

Date:  Tue, 21 May 2013 19:35:21 +0000
Subject:  [RHSA-2013:0848-01] Moderate: Red Hat Network Satellite spacewalk-backend security update

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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

Synopsis:          Moderate: Red Hat Network Satellite spacewalk-backend security update
Advisory ID:       RHSA-2013:0848-01
Product:           Red Hat Network Satellite Server
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2013-0848.html
Issue date:        2013-05-21
CVE Names:         CVE-2013-2056 
=====================================================================

1. Summary:

Updated spacewalk-backend packages that fix one security issue are now
available for Red Hat Network Satellite 5.3, 5.4, and 5.5.

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.

2. Relevant releases/architectures:

Red Hat Network Satellite Server 5.3 (RHEL v.5) - noarch
Red Hat Network Satellite Server 5.4 (RHEL v.5) - noarch
Red Hat Network Satellite Server 5.4 (RHEL v.6) - noarch
Red Hat Network Satellite Server 5.5 (RHEL v.5) - noarch
Red Hat Network Satellite Server 5.5 (RHEL v.6) - noarch

3. Description:

Red Hat Network (RHN) Satellite is a system management tool for Linux-based
infrastructures. It allows for provisioning, monitoring, and remote
management of multiple Linux deployments with a single, centralized tool.

It was discovered that Red Hat Network Satellite did not fully check the
authenticity of a client beyond the initial authentication check during an
Inter-Satellite Sync operation. If a remote attacker were to modify the
satellite-sync client to skip the initial authentication call, they could
obtain all channel content from any Red Hat Network Satellite server that
could be reached, even if Inter-Satellite Sync support was disabled.
(CVE-2013-2056)

This issue was discovered by Jan Pazdziora of the Red Hat Satellite
Engineering team.

Users of Red Hat Network Satellite 5.3, 5.4, and 5.5 are advised to upgrade
to these updated packages, which resolve this issue. For this update to
take effect, Red Hat Network Satellite must be restarted. Refer to the
Solution section for details.

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/knowledge/articles/11258

Run the following command to restart the Red Hat Network Satellite
server:

# rhn-satellite restart

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

959524 - CVE-2013-2056 Satellite: Inter-Satellite Sync (ISS) does not require authentication/authorization

6. Package List:

Red Hat Network Satellite Server 5.3 (RHEL v.5):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/RHNSAT/SRPMS/spacewalk-backend-0.5.28-59.3.el5sat.src.rpm

noarch:
spacewalk-backend-0.5.28-59.3.el5sat.noarch.rpm
spacewalk-backend-app-0.5.28-59.3.el5sat.noarch.rpm
spacewalk-backend-applet-0.5.28-59.3.el5sat.noarch.rpm
spacewalk-backend-config-files-0.5.28-59.3.el5sat.noarch.rpm
spacewalk-backend-config-files-common-0.5.28-59.3.el5sat.noarch.rpm
spacewalk-backend-config-files-tool-0.5.28-59.3.el5sat.noarch.rpm
spacewalk-backend-iss-0.5.28-59.3.el5sat.noarch.rpm
spacewalk-backend-iss-export-0.5.28-59.3.el5sat.noarch.rpm
spacewalk-backend-package-push-server-0.5.28-59.3.el5sat.noarch.rpm
spacewalk-backend-server-0.5.28-59.3.el5sat.noarch.rpm
spacewalk-backend-sql-0.5.28-59.3.el5sat.noarch.rpm
spacewalk-backend-tools-0.5.28-59.3.el5sat.noarch.rpm
spacewalk-backend-upload-server-0.5.28-59.3.el5sat.noarch.rpm
spacewalk-backend-xml-export-libs-0.5.28-59.3.el5sat.noarch.rpm
spacewalk-backend-xmlrpc-0.5.28-59.3.el5sat.noarch.rpm
spacewalk-backend-xp-0.5.28-59.3.el5sat.noarch.rpm

Red Hat Network Satellite Server 5.4 (RHEL v.5):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/RHNSAT/SRPMS/spacewalk-backend-1.2.13-79.el5sat.src.rpm

noarch:
spacewalk-backend-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-app-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-applet-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-config-files-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-config-files-common-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-config-files-tool-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-iss-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-iss-export-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-libs-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-package-push-server-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-server-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-sql-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-sql-oracle-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-tools-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-upload-server-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-xml-export-libs-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-xmlrpc-1.2.13-79.el5sat.noarch.rpm
spacewalk-backend-xp-1.2.13-79.el5sat.noarch.rpm

Red Hat Network Satellite Server 5.5 (RHEL v.5):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/RHNSAT/SRPMS/spacewalk-backend-1.7.38-45.el5sat.src.rpm

noarch:
spacewalk-backend-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-app-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-applet-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-config-files-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-config-files-common-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-config-files-tool-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-iss-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-iss-export-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-libs-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-package-push-server-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-server-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-sql-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-sql-oracle-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-tools-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-xml-export-libs-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-xmlrpc-1.7.38-45.el5sat.noarch.rpm
spacewalk-backend-xp-1.7.38-45.el5sat.noarch.rpm

Red Hat Network Satellite Server 5.4 (RHEL v.6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHNSAT/SRPMS/spacewalk-backend-1.2.13-79.el6sat.src.rpm

noarch:
spacewalk-backend-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-app-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-applet-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-config-files-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-config-files-common-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-config-files-tool-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-iss-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-iss-export-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-libs-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-package-push-server-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-server-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-sql-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-sql-oracle-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-tools-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-upload-server-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-xml-export-libs-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-xmlrpc-1.2.13-79.el6sat.noarch.rpm
spacewalk-backend-xp-1.2.13-79.el6sat.noarch.rpm

Red Hat Network Satellite Server 5.5 (RHEL v.6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHNSAT/SRPMS/spacewalk-backend-1.7.38-45.el6sat.src.rpm

noarch:
spacewalk-backend-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-app-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-applet-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-config-files-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-config-files-common-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-config-files-tool-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-iss-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-iss-export-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-libs-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-package-push-server-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-server-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-sql-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-sql-oracle-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-tools-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-xml-export-libs-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-xmlrpc-1.7.38-45.el6sat.noarch.rpm
spacewalk-backend-xp-1.7.38-45.el6sat.noarch.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-2013-2056.html
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2013 Red Hat, Inc.
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