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HP Security Bulletin HPSBGN03547 3

HP Security Bulletin HPSBGN03547 3
Posted May 2, 2016
Authored by HP | Site hp.com

HP Security Bulletin HPSBGN03547 3 - A security vulnerability in glibc has been addressed with HPE Helion Eucalyptus Node Controller and other Helion Eucalyptus components. The vulnerability could be exploited remotely resulting in arbitrary execution of code. Revision 3 of this advisory.

tags | advisory, remote, overflow, arbitrary
systems | linux, redhat, centos
advisories | CVE-2015-7547
SHA-256 | 3a3a7da261ca85e7feb593ac3b1137b0a8baf5a5661d975d9cd76acfc0ff825f

HP Security Bulletin HPSBGN03547 3

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Hash: SHA1

Note: the current version of the following document is available here:


Document ID: c04989404
Version: 3

HPSBGN03547 rev.3 - HPE Helion Eucalyptus Node Controller and other Helion
Eucalyptus Components using glibc, Remote Arbitrary Code Execution

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

Release Date: 2016-02-18
Last Updated: 2016-04-29

Potential Security Impact: Remote Arbitrary Code Execution, Denial of Service

Source: Hewlett Packard Enterprise, Product Security Response Team

A security vulnerability in glibc has been addressed with HPE Helion
Eucalyptus Node Controller and other Helion Eucalyptus components. The
vulnerability could be exploited remotely resulting in arbitrary execution of


- A stack-based buffer overflow vulnerability has been announced in the
glibc library that affects all versions of glibc since 2.9. Glibc packages
shipped with Red Hat and CentOS 6 are affected.To exploit the vulnerability,
a remote attacker can create a specially crafted DNS response and potentially
execute an arbitrary code on the host with the permissions of a user running
glibc library.

- Helion Eucalyptus Node Controller (NC) components are confirmed to be
affected by the vulnerability. Other Helion Eucalyptus components and
pre-bundled service EMIs do not directly expose the vulnerability, but
because glibc is a commonly used library on Linux, the exact exposure is hard
to determine. Any software performing domain name resolution is potentially


- CVE-2015-7547
- PSRT110035

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

- HPE Helion Eucalyptus Node Controller 4.2.2 and earlier
- HPE Helion Eucalyptus Service components EMIs for Load Balancing and
Imaging services package "eucalyptus-service-image-1.48-0.87.99" and earlier


CVSS 2.0 Base Metrics
Reference Base Vector Base Score
CVE-2015-7547 (AV:N/AC:M/Au:N/C:P/I:P/A:P) 6.8
Information on CVSS is documented
in HP Customer Notice: HPSN-2008-002


HPE has made the following software updates and workaround information
available to resolve the vulnerability with glibc for HPE Helion Eucalyptus.

+ All hosts running HPE Helion Eucalyptus services should be upgraded to the
latest glibc. Updated glibc packages are available for RHEL and CentOS:


**RHEL Note:** After following the guidelines for RHEL, a reboot is the
safest and recommended way to ensure that updates takes effect for all

+ New Helion Eucalyptus Service EMI
eucalyptus-service-image-1.57-0.93.110.el6 with updated glibc packages is
available in the Eucalyptus software repositories at:


If installing the updated service EMI is not possible, the following
workaround is available to update the instances launched from
eucalyptus-service-image-1.48-0.87.99 and earlier to the latest glibc


As a cloud administrator:

1) create an update-glibc script with the following content:

#! /bin/bash
yum update -y glibc

2) set the following cloud properties to use that script on instance start:

euctl services.imaging.worker.init_script=@update-glibc
euctl services.loadbalancing.worker.init_script=@update-glibc

This script will be automatically executed for each of the new instances
started from the service image. For instances that are already
running, the cloud administrator will need to terminate them and start again
for the script to take effect. More specifically, for the Load Balancing
service, the cloud admin needs to find all instances running under the
"(eucalyptus)loadbalancing" account:

# euare-accountlist | grep loadbalancing
(eucalyptus)loadbalancing <accnt_id>

# euca-describe-instances verbose | grep <accnt_id>

And terminate them using euca-terminate-instances. New updated instances
will be started automatically after that.

For the Imaging Service, the imaging worker needs to be terminated and
started again:

# esi-manage-stack -a delete imaging
# esi-manage-stack -a create imaging

Version:1 (rev.1) - 17 February 2016 Initial release Version:2 (rev.2) - 28
April 2016 Update Helion Eucalyptus Service EMI
eucalyptus-service-image-1.57-0.93.110.el6 now available
Version:2 (rev.2) - 28 April 2016 Update Helion Eucalyptus Service EMI
eucalyptus-service-image-1.57-0.93.110.el6 now available
Version:3 (rev.3) - 29 April 2016 Changed impacted version from 4.2.1 to
4.2.2 and earlier

Third Party Security Patches: Third party security patches that are to be
installed on systems running Hewlett Packard Enterprise (HPE) software
products should be applied in accordance with the customer's patch management

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

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

Subscribe: To initiate a subscription to receive future HPE Security Bulletin
alerts via Email: http://www.hpe.com/support/Subscriber_Choice

Security Bulletin Archive: A list of recently released Security Bulletins is
available here: http://www.hpe.com/support/Security_Bulletin_Archive

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 = HPE General Software
HF = HPE Hardware and Firmware
MU = Multi-Platform Software
NS = NonStop Servers
OV = OpenVMS
PV = ProCurve
ST = Storage Software

Copyright 2016 Hewlett Packard Enterprise

Hewlett Packard Enterprise 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 Enterprise and the names of Hewlett Packard Enterprise products
referenced herein are trademarks of Hewlett Packard Enterprise in the United
States and other countries. Other product and company names mentioned herein
may be trademarks of their respective owners.

Version: GnuPG v1

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