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Red Hat Security Advisory 2012-1169-01

Red Hat Security Advisory 2012-1169-01
Posted Aug 15, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1169-01 - Condor is a specialized workload management system for compute-intensive jobs. It provides a job queuing mechanism, scheduling policy, priority scheme, and resource monitoring and management. Condor installations that rely solely upon host-based authentication were vulnerable to an attacker who controls an IP, its reverse-DNS entry and has knowledge of a target site's security configuration. With this control and knowledge, the attacker could bypass the target site's host-based authentication and be authorized to perform privileged actions. Condor deployments using host-based authentication that contain no hostnames or use authentication stronger than host-based are not vulnerable.

tags | advisory
systems | linux, redhat
advisories | CVE-2012-3416
MD5 | 98652961eb29280ee0bd37542bef08c1

Red Hat Security Advisory 2012-1169-01

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

Synopsis: Important: condor security update
Advisory ID: RHSA-2012:1169-01
Product: Red Hat Enterprise MRG for RHEL-6
Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-1169.html
Issue date: 2012-08-14
CVE Names: CVE-2012-3416
=====================================================================

1. Summary:

Updated condor packages that fix one security issue are now available for
Red Hat Enterprise MRG 2.1 for Red Hat Enterprise Linux 6.

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:

MRG Grid Execute Node for RHEL 6 ComputeNode v.2 - x86_64
MRG Grid Execute Node for RHEL 6 Server v.2 - i386, x86_64
MRG Grid for RHEL 6 Server v.2 - i386, x86_64

3. Description:

Condor is a specialized workload management system for compute-intensive
jobs. It provides a job queuing mechanism, scheduling policy, priority
scheme, and resource monitoring and management.

Condor installations that rely solely upon host-based authentication were
vulnerable to an attacker who controls an IP, its reverse-DNS entry and has
knowledge of a target site's security configuration. With this control and
knowledge, the attacker could bypass the target site's host-based
authentication and be authorized to perform privileged actions (i.e.
actions requiring ALLOW_ADMINISTRATOR or ALLOW_WRITE). Condor deployments
using host-based authentication that contain no hostnames (IPs or IP globs
only) or use authentication stronger than host-based are not vulnerable.
(CVE-2012-3416)

Note: Condor will not run jobs as root; therefore, this flaw cannot lead to
a compromise of the root user account.

Red Hat would like to thank Ken Hahn and Dan Bradley for reporting this
issue.

All Red Hat Enterprise MRG 2.1 users are advised to upgrade to these
updated packages, which contain a backported patch to correct this issue.
Condor must be restarted for the 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/):

841175 - CVE-2012-3416 condor: host based authentication does not implement forward-confirmed reverse dns

6. Package List:

MRG Grid Execute Node for RHEL 6 ComputeNode v.2:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/RHEMRG-RHEL6/SRPMS/condor-7.6.5-0.14.2.el6_3.src.rpm

x86_64:
condor-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-classads-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-debuginfo-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-kbdd-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-qmf-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-vm-gahp-7.6.5-0.14.2.el6_3.x86_64.rpm

MRG Grid for RHEL 6 Server v.2:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHEMRG-RHEL6/SRPMS/condor-7.6.5-0.14.2.el6_3.src.rpm

i386:
condor-7.6.5-0.14.2.el6_3.i686.rpm
condor-aviary-7.6.5-0.14.2.el6_3.i686.rpm
condor-classads-7.6.5-0.14.2.el6_3.i686.rpm
condor-debuginfo-7.6.5-0.14.2.el6_3.i686.rpm
condor-kbdd-7.6.5-0.14.2.el6_3.i686.rpm
condor-plumage-7.6.5-0.14.2.el6_3.i686.rpm
condor-qmf-7.6.5-0.14.2.el6_3.i686.rpm

x86_64:
condor-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-aviary-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-classads-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-debuginfo-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-deltacloud-gahp-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-kbdd-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-plumage-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-qmf-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-vm-gahp-7.6.5-0.14.2.el6_3.x86_64.rpm

MRG Grid Execute Node for RHEL 6 Server v.2:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/RHEMRG-RHEL6/SRPMS/condor-7.6.5-0.14.2.el6_3.src.rpm

i386:
condor-7.6.5-0.14.2.el6_3.i686.rpm
condor-classads-7.6.5-0.14.2.el6_3.i686.rpm
condor-debuginfo-7.6.5-0.14.2.el6_3.i686.rpm
condor-kbdd-7.6.5-0.14.2.el6_3.i686.rpm
condor-qmf-7.6.5-0.14.2.el6_3.i686.rpm

x86_64:
condor-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-classads-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-debuginfo-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-kbdd-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-qmf-7.6.5-0.14.2.el6_3.x86_64.rpm
condor-vm-gahp-7.6.5-0.14.2.el6_3.x86_64.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-2012-3416.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 2012 Red Hat, Inc.
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