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HP Security Bulletin HPSBMU03246 1

HP Security Bulletin HPSBMU03246 1
Posted Feb 10, 2015
Authored by HP | Site hp.com

HP Security Bulletin HPSBMU03246 1 - Potential security vulnerabilities have been identified with HP Insight Control for Linux Central Management Server Pre-boot Execution Environment that could be exploited remotely resulting in Denial of Service (DoS), disclosure of information, and other vulnerabilities. Revision 1 of this advisory.

tags | advisory, denial of service, vulnerability
systems | linux
advisories | CVE-2014-6271, CVE-2014-6277, CVE-2014-6278, CVE-2014-7169, CVE-2014-7186, CVE-2014-7187, CVE-2014-7196
SHA-256 | 3bc364eb213e9861d4e21588302ac46a9d28eaf2ef45b15cfb72ed924b71144e

HP Security Bulletin HPSBMU03246 1

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Note: the current version of the following document is available here:
https://h20564.www2.hp.com/portal/site/hpsc/public/kb/
docDisplay?docId=emr_na-c04558068

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c04558068
Version: 1

HPSBMU03246 rev.1 - HP Insight Control for Linux Central Management Server
Pre-boot Execution Environment running Bash Shell, Multiple Vulnerabilities

NOTICE: The information in this Security Bulletin should be acted upon as
soon as possible.

Release Date: 2015-02-02
Last Updated: 2015-02-02

Potential Security Impact: Multiple vulnerabilities

Source: Hewlett-Packard Company, HP Software Security Response Team

VULNERABILITY SUMMARY
Potential security vulnerabilities have been identified with HP Insight
Control for Linux Central Management Server Pre-boot Execution Environment
that could be exploited remotely resulting in Denial of Service (DoS),
disclosure of information, and other vulnerabilities.

References:

CVE-2014-6271
CVE-2014-6277
CVE-2014-6278
CVE-2014-7169
CVE-2014-7186
CVE-2014-7187
CVE-2014-7196
SSRT101742

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP Insight Control for Linux Central Management Server Pre-boot Execution
Environment running Bash Shell

BACKGROUND

CVSS 2.0 Base Metrics
===========================================================
Reference Base Vector Base Score
CVE-2014-6271 (AV:N/AC:L/Au:N/C:C/I:C/A:C) 10.0
CVE-2014-6277 (AV:N/AC:L/Au:N/C:C/I:C/A:C) 10.0
CVE-2014-6278 (AV:N/AC:L/Au:N/C:C/I:C/A:C) 10.0
CVE-2014-7169 (AV:N/AC:L/Au:N/C:C/I:C/A:C) 10.0
CVE-2014-7186 (AV:N/AC:L/Au:N/C:C/I:C/A:C) 10.0
CVE-2014-7187 (AV:N/AC:L/Au:N/C:C/I:C/A:C) 10.0
CVE-2014-7196 (AV:N/AC:L/Au:N/C:C/I:C/A:C) 10.0
===========================================================
Information on CVSS is documented
in HP Customer Notice: HPSN-2008-002

RESOLUTION

HP has provided the following instructions to resolve these vulnerabilities.

Follow these steps to update the HP Insight Control for Linux Central
Management Server Pre-boot Execution Environment:

NOTE: The following procedure updates the bash shell on the Linux Pre-boot
Execution Environment. Please update the Bash shell version on the HP Insight
Control for Linux Central Management Server also.

1. On the Production RHEL 6.2 OS:

a. Prepare temporary directory for Bash update software:

# mkdir -p $HOME/tmp/bash
# cd $HOME/tmp/bash
# pwd
<home directory>/tmp/bash

b. Download the file 'bash-4.1.2-15.el6_4.2.i686.rpm' for Insight Control for
Linux Red Hat 6.2 i386 from https://rhn.redhat.com/errata/RHSA-2014-1311.html
to the temporary directory '$HOME/tmp/bash'.

c. Extract the Bash update software package.

# rpm2cpio bash-4.1.2-15.el6_4.2.i686.rpm| cpio -idmv

d. Verify the version of the Bash update software:

# ./bin/bash --version
GNU bash, version 4.1.2(1)-release (i686-redhat-linux-gnu)

e. Verify version dependencies:

# ldd ./bin/bash

linux-gate.so.1 => (0x008a7000)
libtinfo.so.5 => /lib/libtinfo.so.5 (0x00459000)
libdl.so.2 => /lib/libdl.so.2 (0x002c0000)
libc.so.6 => /lib/libc.so.6 (0x0012e000)
/lib/ld-linux.so.2 (0x00108000)

f. Create archive file from '/lib' to copy and install on the Insight Control
for Linux Central Management Server Pre-boot Execution Environment system:

# mkdir $HOME/tmp/lib
# cd /lib
# cp * $HOME/tmp/lib
# cd $HOME/tmp
# pwd
<home directory>/tmp
# tar cvf bash_lib.tar *

2. Download the new archive file '$HOME/tmp/bash_lib.tar' from the Production
RHEL 6.2 OS system to the Insight Control for Linux Central Management Server
Pre-boot Execution Environment system.

3. On the HP Insight Control for Linux Central Managment Server Pre-boot
Execution Environment system:

a. Create a temporary folder for the toolkit and copy the toolkit there :

# mkdir -p $HOME/tmp/temp-toolkit
# cp /usr/share/systemimager/boot/i386/standard/toolkit.tar.gz
$HOME/tmp/temp-toolkit

b. Extract the file 'toolkit.tar.gz' into the temporary folder:

# cd $HOME/tmp/temp-toolkit
# tar zxvf toolkit.tar.gz
# mv $HOME/tmp/temp-toolkit/toolkit.tar.gz /tmp

c. Verify the version of the toolkit Bash:

# $HOME/tmp/temp-toolkit/bin/bash --version
GNU bash, version 3.2.0(1)-release (i386-pc-linux-gnu) Copyright (C) 2005
Free Software Foundation, Inc.

d. Verify dependencies versions:

# ldd $HOME/tmp/temp-toolkit/bin/bash

linux-gate.so.1 => (0xffffe000)
libtermcap.so.2 => /lib/libtermcap.so.2 (0xf7f8c000)
libdl.so.2 => /lib/libdl.so.2 (0x008bf000)
libc.so.6 => /lib/libc.so.6 (0x00777000)
/lib/ld-linux.so.2 (0x00755000)

e. Extract the archive 'bash_lib.tar' to directory '$HOME/tmp/bash_lib' .
Then copy the bash binary and the library files to their respective
locations:

# tar xvf $HOME/tmp/bash_lib
# cp $HOME/tmp/bash_lib/bash/bash $HOME/tmp/temp-toolkit/bin
# cp $HOME/tmp/bash_lib/lib/* $HOME/tmp/temp-toolkit/lib

f. Create the updated toolkit gzipped archive file and place in
/usr/share/systemimager/boot/i386/standard

# tar czvf toolkit.tar.gz *
# cp toolkit.tar.gz /usr/share/systemimager/boot/i386/standard

HISTORY
Version:1 (rev.1) - 2 February 2015 Initial release

Third Party Security Patches: Third party security patches that are to be
installed on systems running HP software products should be applied in
accordance with the customer's patch management policy.

Support: For issues about implementing the recommendations of this Security
Bulletin, contact normal HP Services support channel. For other issues about
the content of this Security Bulletin, send e-mail to security-alert@hp.com.

Report: To report a potential security vulnerability with any HP supported
product, send Email to: security-alert@hp.com

Subscribe: To initiate a subscription to receive future HP Security Bulletin
alerts via Email:
http://h41183.www4.hp.com/signup_alerts.php?jumpid=hpsc_secbulletins

Security Bulletin Archive: A list of recently released Security Bulletins is
available here:
https://h20564.www2.hp.com/portal/site/hpsc/public/kb/secBullArchive/

Software Product Category: The Software Product Category is represented in
the title by the two characters following HPSB.

3C = 3COM
3P = 3rd Party Software
GN = HP General Software
HF = HP Hardware and Firmware
MP = MPE/iX
MU = Multi-Platform Software
NS = NonStop Servers
OV = OpenVMS
PI = Printing and Imaging
PV = ProCurve
ST = Storage Software
TU = Tru64 UNIX
UX = HP-UX

Copyright 2015 Hewlett-Packard Development Company, L.P.
Hewlett-Packard Company shall not be liable for technical or editorial errors
or omissions contained herein. The information provided is provided "as is"
without warranty of any kind. To the extent permitted by law, neither HP or
its affiliates, subcontractors or suppliers will be liable for
incidental,special or consequential damages including downtime cost; lost
profits; damages relating to the procurement of substitute products or
services; or damages for loss of data, or software restoration. The
information in this document is subject to change without notice.
Hewlett-Packard Company and the names of Hewlett-Packard products referenced
herein are trademarks of Hewlett-Packard Company in the United States and
other countries. Other product and company names mentioned herein may be
trademarks of their respective owners.

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