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Red Hat Security Advisory 2013-1863-01

Red Hat Security Advisory 2013-1863-01
Posted Dec 22, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-1863-01 - Candlepin is an open source entitlement management system. It tracks the products which an owner has subscribed too, and allows the owner to consume the subscriptions based on configurable business rules. It was discovered that, by default, Candlepin enabled a very weak authentication scheme if no setting was specified in the configuration file. This issue was discovered by Adrian Likins of Red Hat. Note: The configuration file as supplied by Subscription Asset Manager 1.2 and 1.3 had this unsafe authentication mode disabled; however, users who have upgraded from Subscription Asset Manager 1.1 or earlier and who have not added "candlepin.auth.trusted.enable = false" to the Candlepin configuration will be affected by this issue.

tags | advisory
systems | linux, redhat
advisories | CVE-2013-6439
MD5 | 17055fe8af3276e1b68d9013a5b95b93

Red Hat Security Advisory 2013-1863-01

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

Synopsis: Important: candlepin security update
Advisory ID: RHSA-2013:1863-01
Product: Red Hat Subscription Asset Manager
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-1863.html
Issue date: 2013-12-19
CVE Names: CVE-2013-6439
=====================================================================

1. Summary:

Updated candlepin packages that fix one security issue are now available
for Red Hat Subscription Asset Manager.

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:

Red Hat Subscription Asset Manager for RHEL 6 Server - noarch

3. Description:

Candlepin is an open source entitlement management system. It tracks the
products which an owner has subscribed too, and allows the owner to consume
the subscriptions based on configurable business rules.

It was discovered that, by default, Candlepin enabled a very weak
authentication scheme if no setting was specified in the configuration
file. (CVE-2013-6439)

This issue was discovered by Adrian Likins of Red Hat.

Note: The configuration file as supplied by Subscription Asset Manager 1.2
and 1.3 had this unsafe authentication mode disabled; however, users who
have upgraded from Subscription Asset Manager 1.1 or earlier and who have
not added "candlepin.auth.trusted.enable = false" to the Candlepin
configuration will be affected by this issue.

Users of Subscription Asset Manager 1.0 or 1.1 who cannot upgrade
should add the following to "/etc/candlepin/candlepin.conf":

candlepin.auth.trusted.enable = false
candlepin.auth.trusted.enabled = false

Users of Subscription Asset Manager 1.2 or 1.3 who cannot upgrade should
only need to add:

candlepin.auth.trusted.enable = false

Installing this upgrade disables the unsafe authentication scheme unless
it is specifically enabled in the configuration.

Users of Red Hat Subscription Asset Manager are advised to upgrade to
these updated packages, which correct this issue. Candlepin 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/site/articles/11258

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

1042677 - CVE-2013-6439 candlepin: insecure authentication enabled by default

6. Package List:

Red Hat Subscription Asset Manager for RHEL 6 Server:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/SAM/SRPMS/candlepin-0.8.26.0-1.el6sam.src.rpm

noarch:
candlepin-0.8.26.0-1.el6sam.noarch.rpm
candlepin-selinux-0.8.26.0-1.el6sam.noarch.rpm
candlepin-tomcat6-0.8.26.0-1.el6sam.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-2013-6439.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 2013 Red Hat, Inc.
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