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Category:   Application (Generic)  >   OpenPegasus Vendors:   Open Group, The
(Red Hat Issues Fix) OpenPegasus Does Not Log Failed Authentication Attempts
SecurityTracker Alert ID:  1021285
SecurityTracker URL:  http://securitytracker.com/id/1021285
CVE Reference:   CVE-2008-4315   (Links to External Site)
Date:  Nov 25 2008
Impact:   Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in OpenPegasus. A remote user can conduct password guessing attacks without detection.

The OpenPegasus WBEM service does not log failed authentication attempts to the system log file via the Pluggable Authentication Modules mechanism.

Impact:   A remote user can conduct password guessing attacks without detection.
Solution:   Red Hat has released a fix for tog-pegasus.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2008-1001.html

Vendor URL:  www.openpegasus.org/ (Links to External Site)
Cause:   Authentication error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  5

Message History:   This archive entry is a follow-up to the message listed below.
Nov 25 2008 OpenPegasus Does Not Log Failed Authentication Attempts



 Source Message Contents

Subject:  [RHSA-2008:1001-01] Important: tog-pegasus security update


-----BEGIN PGP SIGNED MESSAGE-----
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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: tog-pegasus security update
Advisory ID:       RHSA-2008:1001-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2008-1001.html
Issue date:        2008-11-25
CVE Names:         CVE-2008-4313 CVE-2008-4315 
=====================================================================

1. Summary:

Updated tog-pegasus packages that fix security issues are now available
for Red Hat Enterprise Linux 5.

This update has been rated as having important security impact by the Red
Hat Security Response Team. 

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64
Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64

3. Description:

The tog-pegasus packages provide OpenPegasus Web-Based Enterprise
Management (WBEM) services. WBEM is a platform and resource independent
Distributed Management Task Force (DMTF) standard that defines a common
information model and communication protocol for monitoring and controlling
resources.

Red Hat defines additional security enhancements for OpenGroup Pegasus WBEM
services in addition to those defined by the upstream OpenGroup Pegasus
release. For details regarding these enhancements, refer to the file
"README.RedHat.Security", included in the Red Hat tog-pegasus package.

After re-basing to version 2.7.0 of the OpenGroup Pegasus code, these
additional security enhancements were no longer being applied. As a
consequence, access to OpenPegasus WBEM services was not restricted to the
dedicated users as described in README.RedHat.Security. An attacker able to
authenticate using a valid user account could use this flaw to send
requests to WBEM services. (CVE-2008-4313)

Note: default SELinux policy prevents tog-pegasus from modifying system
files. This flaw's impact depends on whether or not tog-pegasus is confined
by SELinux, and on any additional CMPI providers installed and enabled on a
particular system.

Failed authentication attempts against the OpenPegasus CIM server were not
logged to the system log as documented in README.RedHat.Security. An
attacker could use this flaw to perform password guessing attacks against a
user account without leaving traces in the system log. (CVE-2008-4315)

All tog-pegasus users are advised to upgrade to these updated packages,
which contain patches to correct these issues.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.

This update is available via Red Hat Network.  Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/FAQ_58_10188

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

459217 - CVE-2008-4313 tog-pegasus: WBEM services access not restricted to dedicated user after 2.7.0 rebase
472017 - CVE-2008-4315 tog-pegasus: failed authentication attempts not logged via PAM

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/tog-pegasus-2.7.0-2.el5_2.1.src.rpm

i386:
tog-pegasus-2.7.0-2.el5_2.1.i386.rpm
tog-pegasus-debuginfo-2.7.0-2.el5_2.1.i386.rpm
tog-pegasus-devel-2.7.0-2.el5_2.1.i386.rpm

x86_64:
tog-pegasus-2.7.0-2.el5_2.1.i386.rpm
tog-pegasus-2.7.0-2.el5_2.1.x86_64.rpm
tog-pegasus-debuginfo-2.7.0-2.el5_2.1.i386.rpm
tog-pegasus-debuginfo-2.7.0-2.el5_2.1.x86_64.rpm
tog-pegasus-devel-2.7.0-2.el5_2.1.i386.rpm
tog-pegasus-devel-2.7.0-2.el5_2.1.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/tog-pegasus-2.7.0-2.el5_2.1.src.rpm

i386:
tog-pegasus-2.7.0-2.el5_2.1.i386.rpm
tog-pegasus-debuginfo-2.7.0-2.el5_2.1.i386.rpm
tog-pegasus-devel-2.7.0-2.el5_2.1.i386.rpm

ia64:
tog-pegasus-2.7.0-2.el5_2.1.ia64.rpm
tog-pegasus-debuginfo-2.7.0-2.el5_2.1.ia64.rpm
tog-pegasus-devel-2.7.0-2.el5_2.1.ia64.rpm

ppc:
tog-pegasus-2.7.0-2.el5_2.1.ppc.rpm
tog-pegasus-2.7.0-2.el5_2.1.ppc64.rpm
tog-pegasus-debuginfo-2.7.0-2.el5_2.1.ppc.rpm
tog-pegasus-debuginfo-2.7.0-2.el5_2.1.ppc64.rpm
tog-pegasus-devel-2.7.0-2.el5_2.1.ppc.rpm
tog-pegasus-devel-2.7.0-2.el5_2.1.ppc64.rpm

s390x:
tog-pegasus-2.7.0-2.el5_2.1.s390.rpm
tog-pegasus-2.7.0-2.el5_2.1.s390x.rpm
tog-pegasus-debuginfo-2.7.0-2.el5_2.1.s390.rpm
tog-pegasus-debuginfo-2.7.0-2.el5_2.1.s390x.rpm
tog-pegasus-devel-2.7.0-2.el5_2.1.s390.rpm
tog-pegasus-devel-2.7.0-2.el5_2.1.s390x.rpm

x86_64:
tog-pegasus-2.7.0-2.el5_2.1.i386.rpm
tog-pegasus-2.7.0-2.el5_2.1.x86_64.rpm
tog-pegasus-debuginfo-2.7.0-2.el5_2.1.i386.rpm
tog-pegasus-debuginfo-2.7.0-2.el5_2.1.x86_64.rpm
tog-pegasus-devel-2.7.0-2.el5_2.1.i386.rpm
tog-pegasus-devel-2.7.0-2.el5_2.1.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://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4313
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4315
http://www.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>.  More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2008 Red Hat, Inc.
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