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Category:   Application (Generic)  >   Red Hat Network Satellite Server Vendors:   Red Hat
Red Hat Network Satellite Server Request Validation Flaw Permits Cross-Site Request Forgery Attacks
SecurityTracker Alert ID:  1025674
SecurityTracker URL:  http://securitytracker.com/id/1025674
CVE Reference:   CVE-2009-4139   (Links to External Site)
Date:  Jun 16 2011
Impact:   Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 5.4.x
Description:   A vulnerability was reported in Red Hat Network Satellite Server. A remote user can conduct cross-site request forgery attacks.

The Red Hat Network (RHN) Satellite and Spacewalk services do not properly validate user-supplied. A remote user can create specially crafted HTML that, when loaded by a target authenticated user, will take actions on the target site acting as the target user.

Christian Johansson of Bitsec AB and Thomas Biege of the SUSE Security Team independently reported this vulnerability.

Impact:   A remote user can take actions on the target site acting as the target user.
Solution:   The vendor has issued a fix.

The vendor's advisory is available at:

https://rhn.redhat.com/errata/RHSA-2011-0879.html

Vendor URL:  rhn.redhat.com/errata/RHSA-2011-0879.html (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  5

Message History:   None.


 Source Message Contents

Subject:  [RHSA-2011:0879-01] Moderate: Red Hat Network Satellite server spacewalk-java security update

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

Synopsis:          Moderate: Red Hat Network Satellite server spacewalk-java security update
Advisory ID:       RHSA-2011:0879-01
Product:           Red Hat Network Satellite Server
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2011-0879.html
Issue date:        2011-06-16
CVE Names:         CVE-2009-4139 
=====================================================================

1. Summary:

Updated spacewalk-java packages that fix one security issue are now
available for Red Hat Network Satellite 5.4.1 for Red Hat
Enterprise Linux 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 5.4 (RHEL v.5) - noarch

3. Description:

Red Hat Network (RHN) Satellite provides a solution to organizations
requiring absolute control over and privacy of the maintenance and package
deployment of their servers. It allows organizations to utilize the
benefits of the Red Hat Network without having to provide public Internet
access to their servers or other client systems.

It was found that RHN Satellite did not protect against Cross-Site Request
Forgery (CSRF) attacks. If an authenticated RHN Satellite user visited a
specially-crafted web page, it could lead to unauthorized command execution
with the privileges of that user, for example, creating a new user account,
granting administrator privileges to user accounts, disabling the account
of the current user, and so on. (CVE-2009-4139)

Red Hat would like to thank Christian Johansson of Bitsec AB and Thomas
Biege of the SUSE Security Team for independently reporting this issue.

Users of Red Hat Network Satellite 5.4.1 are advised to upgrade to these
updated spacewalk-java 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/kb/docs/DOC-11259

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

# rhn-satellite restart

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

529483 - CVE-2009-4139 RHN Satellite / Spacewalk: CSRF in all web portal forms

6. Package List:

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/RHNSAT/SRPMS/spacewalk-java-1.2.39-85.el5sat.src.rpm

noarch:
spacewalk-java-1.2.39-85.el5sat.noarch.rpm
spacewalk-java-config-1.2.39-85.el5sat.noarch.rpm
spacewalk-java-lib-1.2.39-85.el5sat.noarch.rpm
spacewalk-java-oracle-1.2.39-85.el5sat.noarch.rpm
spacewalk-taskomatic-1.2.39-85.el5sat.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-2009-4139.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 2011 Red Hat, Inc.
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