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Red Hat Security Advisory 2012-0436-01

Red Hat Security Advisory 2012-0436-01
Posted Mar 29, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0436-01 - Red Hat Network Satellite is a systems 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 found that a remote attacker could upload packages to an RHN Satellite server's NULL organization without any authorization or authentication. Although an attacker cannot put packages into an arbitrary channel and have client systems download them, they could use the flaw to consume all the free space in the partition used to store synced packages. With no free space, Satellite would be unable to download updates and new packages, preventing client systems from obtaining them.

tags | advisory, remote, arbitrary
systems | linux, redhat
advisories | CVE-2012-1145
MD5 | 7bc2c38df6bd4b0e21e1eb8854ab2072

Red Hat Security Advisory 2012-0436-01

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

Synopsis: Moderate: Red Hat Network Satellite spacewalk-backend security update
Advisory ID: RHSA-2012:0436-01
Product: Red Hat Network Satellite Server
Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-0436.html
Issue date: 2012-03-29
CVE Names: CVE-2012-1145
=====================================================================

1. Summary:

Updated spacewalk-backend packages that fix one security issue are now
available for Red Hat Network Satellite 5.4 on Red Hat Enterprise Linux 6.

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.6) - noarch

3. Description:

Red Hat Network (RHN) Satellite is a systems 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 found that a remote attacker could upload packages to an RHN
Satellite server's NULL organization without any authorization or
authentication. (The NULL organization stores packages synced from RHN
Hosted.) Although an attacker cannot put packages into an arbitrary channel
and have client systems download them, they could use the flaw to consume
all the free space in the partition (/var/) used to store synced packages.
With no free space, Satellite would be unable to download updates and new
packages, preventing client systems from obtaining them. (CVE-2012-1145)

All users of Red Hat Network Satellite are advised to upgrade to these
updated packages, which correct 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/):

800688 - CVE-2012-1145 satellite: remote package upload without authorization

6. Package List:

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-1.2.13-66.1.el6sat.src.rpm

noarch:
spacewalk-backend-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-app-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-applet-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-config-files-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-config-files-common-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-config-files-tool-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-iss-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-iss-export-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-libs-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-package-push-server-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-server-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-sql-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-sql-oracle-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-tools-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-upload-server-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-xml-export-libs-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-xmlrpc-1.2.13-66.1.el6sat.noarch.rpm
spacewalk-backend-xp-1.2.13-66.1.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-2012-1145.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 2012 Red Hat, Inc.
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