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Red Hat Security Advisory 2012-1060-01

Red Hat Security Advisory 2012-1060-01
Posted Jul 9, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1060-01 - Cobbler is a network install server. Cobbler supports PXE, virtualized installs, and re-installing existing Linux machines. A command injection flaw was found in Cobbler's power management XML-RPC method. A remote, authenticated user who is permitted to perform Cobbler configuration changes via the Cobbler XML-RPC API, could use this flaw to execute arbitrary code with root privileges on the Red Hat Network Satellite server. Note: Red Hat Network Satellite uses a special user account to configure Cobbler. By default, only this account is permitted to perform Cobbler configuration changes, and the credentials for the account are only accessible to the Satellite host's administrator. As such, this issue only affected environments where the administrator allowed other users to make Cobbler configuration changes.

tags | advisory, remote, arbitrary, root
systems | linux, redhat
advisories | CVE-2012-2395
MD5 | fe9045b8f0d6abd85965decfc6a0906c

Red Hat Security Advisory 2012-1060-01

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

Synopsis: Moderate: cobbler security update
Advisory ID: RHSA-2012:1060-01
Product: Red Hat Network Satellite Server
Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-1060.html
Issue date: 2012-07-09
CVE Names: CVE-2012-2395
=====================================================================

1. Summary:

An updated cobbler package that fixes one security issue is now available
for Red Hat Network Satellite 5.4.

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

3. Description:

Cobbler is a network install server. Cobbler supports PXE, virtualized
installs, and re-installing existing Linux machines.

A command injection flaw was found in Cobbler's power management XML-RPC
method. A remote, authenticated user who is permitted to perform Cobbler
configuration changes via the Cobbler XML-RPC API, could use this flaw to
execute arbitrary code with root privileges on the Red Hat Network
Satellite server. (CVE-2012-2395)

Note: Red Hat Network Satellite uses a special user account to configure
Cobbler. By default, only this account is permitted to perform Cobbler
configuration changes, and the credentials for the account are only
accessible to the Satellite host's administrator. As such, this issue only
affected environments where the administrator allowed other users to make
Cobbler configuration changes.

Users of Red Hat Network Satellite 5.4 are advised to upgrade to this
updated cobbler package, which contains a backported patch to correct this
issue. Red Hat Network Satellite must be restarted
("/usr/sbin/rhn-satellite restart") 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/knowledge/articles/11258

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

824460 - CVE-2012-2395 cobbler: command injection flaw in the power management XML-RPC API

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/cobbler-2.0.7-14.6.el5sat.src.rpm

noarch:
cobbler-2.0.7-14.6.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/cobbler-2.0.7-14.6.el6sat.src.rpm

noarch:
cobbler-2.0.7-14.6.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-2012-2395.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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