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Red Hat Security Advisory 2012-1187-01

Red Hat Security Advisory 2012-1187-01
Posted Aug 21, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1187-01 - Katello allows you to manage the application life-cycle for Linux systems. Katello is used by Red Hat Subscription Asset Manager, a distributor application for handling subscription information and software updates on client machines. It was found that the katello-common package's installation script did not correctly generate the secret token used for session cookie generation, leading to every default installation using the same secret token. A remote attacker could use this flaw to create a cookie that would allow them to log into the Subscription Asset Manager web interface as any user, without knowing the passwords.

tags | advisory, remote, web
systems | linux, redhat
advisories | CVE-2012-3503
SHA-256 | 597c317d6628bef13dbbc7a4fc8d6af89eed7367a7de44c2f866d8f5fa21e962

Red Hat Security Advisory 2012-1187-01

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

Synopsis: Important: katello security update
Advisory ID: RHSA-2012:1187-01
Product: Red Hat Subscription Asset Manager
Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-1187.html
Issue date: 2012-08-21
CVE Names: CVE-2012-3503
=====================================================================

1. Summary:

Updated katello 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:

Katello allows you to manage the application life-cycle for Linux systems.
Katello is used by Red Hat Subscription Asset Manager, a distributor
application for handling subscription information and software updates on
client machines.

It was found that the katello-common package's installation script did not
correctly generate the secret token used for session cookie generation,
leading to every default installation using the same secret token. A remote
attacker could use this flaw to create a cookie that would allow them to
log into the Subscription Asset Manager web interface as any user, without
knowing the passwords. (CVE-2012-3503)

All users of Red Hat Subscription Asset Manager are advised to upgrade to
these updated packages, which correct this issue. For instructions on
applying this update, refer to the Subscription Asset Manager Installation
Guide, linked to in the References section.

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

For instructions on applying this update, refer to the Subscription
Asset Manager Installation Guide, linked to in the References section.

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

849210 - CVE-2012-3503 Katello: Application.config.secret_token is not generated properly

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/katello-0.3.4-1.el6_2.src.rpm

noarch:
katello-common-0.3.4-1.el6_2.noarch.rpm
katello-glue-candlepin-0.3.4-1.el6_2.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-2012-3503.html
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Subscription_Asset_Manager/1.1/html/Installation_Guide/sect-Installation_Guide-Administration-Upgrading_Subscription_Asset_Manager.html

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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