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Liebe Kolleginnen und Kollegen,
soeben erreichte uns das nachfolgende Bulletin der HP SupportLine. Wir
geben diese Informationen unveraendert an Sie weiter.
CVE-2008-0960 – Schwachstelle in verschiedenen Implemetierungen der
SNMPv3 HMAC Authentifizierung
Eine Schwachstelle in verschiedenen Implementierungen der SNMPv3 HMAC
Authentifizierung fuehrt dazu, dass die Authentifizierung umgangen
werden kann. Dies ist moeglich, wenn im Agenten keine oder eine zu
kleine Mindestlaenge fuer den Authentifikationswert bei HMAC
Authentifizierung durchgesetzt wird. In diesem Fall kann ein Angreifer
eine Laenge von einem Byte fuer den Authentifikationswert angeben und
den eigentlichen Wert erraten (mit einer Wahrscheinlichkeit von 1 zu
256). Durch Senden entsprechend aufgebauter SNMPv3 Pakete kann der
Angreifer ueber das Netz beliebigen SNMP Befehle auf dem betroffenen
System ausfuehren.
Derzeit betrifft die Schwachstelle die Implementierungen Net-SNMP bzw.
UCD-SNMP sowie davon abgeleitete Produkte wie eCos, Juniper Session and
Resource Control (SRC) C-series, NetApp (Network Appliance) Data
ONTAP, SNMP Research und Cisco IOS, CatOS, ACE und Nexus.
Betroffen sind die folgenden Software Pakete und Plattformen:
HP OpenView SNMP Emanate Master Agent v15.x
HP-UX (IA) :
vor Patch PHSS_41033
HP-UX (PA):
vor Patch PHSS_41032
Linux RedHatAS2.1:
vor Patch LXOV_00109
Linux RedHat4AS-x86_64:
vor Patch LXOV_00110
Solaris:
vor Patch PSOV_03529
Windows:
vor Patch NNM_01206
HP-UX, Solaris, Linux, Windows
Vom Hersteller werden ueberarbeitete Pakete zur Verfuegung gestellt.
(c) der deutschen Zusammenfassung bei DFN-CERT Services GmbH; die
Verbreitung, auch auszugsweise, ist nur unter Hinweis auf den Urheber,
DFN-CERT Services GmbH, und nur zu nicht kommerziellen Zwecken
gestattet.
Mit freundlichen Gruessen,
Klaus Moeller, DFN-CERT
– —
Dipl. Inform. Klaus Moeller (Project Development Team)
Phone: +49 40 808077-555, Fax: +49 40 808077-556
DFN-CERT Services GmbH, https://www.dfn-cert.de/, Phone +49 40 808077-555
Sitz / Register: Hamburg, AG Hamburg, HRB 88805, Ust-IdNr.: DE 232129737
Sachsenstrasse 5, 20097 Hamburg/Germany, CEO: Dr. Klaus-Peter Kossakowski
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SUPPORT COMMUNICATION – SECURITY BULLETIN
Document ID: c01757418
Version: 2
HPSBMA02439 SSRT080082 rev.2 – HP OpenView SNMP Emanate Master Agent Running on HP-UX, Linux, Solaris, and Windows, Remote Unauthorized Access
NOTICE: The information in this Security Bulletin should be acted upon as soon as possible.
Release Date: 2009-06-15
Last Updated: 2010-06-22
Potential Security Impact: Remote unauthorized access
Source: Hewlett-Packard Company, HP Software Security Response Team
VULNERABILITY SUMMARY
A potential vulnerability has been identified with HP OpenView SNMP Emanate Master Agent Running on HP-UX, Linux, Solaris, and Windows. The vulnerability could be exploited remotely to gain unauthorized access.
References: CVE-2008-0960
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP OpenView SNMP Emanate Master Agent v15.x running on HP-UX, Solaris, Linux, and Windows
BACKGROUND
CVSS 2.0 Base Metrics
===========================================================
Reference Base Vector Base Score
CVE-2008-0960 (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 made a patches available to resolve the vulnerability.
The patches are available from http://support.openview.hp.com/selfsolve/patches
Operating System
Patch
HP-UX (IA)
PHSS_41033 or subsequent
HP-UX (PA)
PHSS_41032 or subsequent
Linux RedHatAS2.1
LXOV_00109 or subsequent
Linux RedHat4AS-x86_64
LXOV_00110 or subsequent
Solaris
PSOV_03529 or subsequent
Windows
NNM_01206 or subsequent
MANUAL ACTIONS: No
PRODUCT SPECIFIC INFORMATION
HP-UX Software Assistant: HP-UX Software Assistant is an enhanced application that replaces HP-UX Security Patch Check. It analyzes all Security Bulletins issued by HP and lists recommended actions that may apply to a specific HP-UX system. It can also download patches and create a depot automatically. For more information see https://www.hp.com/go/swa
The following text is for use by the HP-UX Software Assistant.
AFFECTED VERSIONS (for HP-UX)
HP-UX B.11.31 (IA)
HP-UX B.11.23 (IA)
=============
OVSNMPAgent.MASTER
action: install PHSS_41033 or subsequent
URL: http://support.openview.hp.com/selfsolve/patches
HP-UX B.11.31 (PA)
HP-UX B.11.23 (PA)
HP-UX B.11.11
=============
OVSNMPAgent.MASTER
action: install PHSS_41032 or subsequent
URL: http://support.openview.hp.com/selfsolve/patches
END AFFECTED VERSIONS (for HP-UX)
HISTORY
Version:1 (rev.1) – 15 June 2009 Initial release
Version:2 (rev.2) – 22 June 2010 Patches are available
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 further information, contact normal HP Services support channel.
Report: To report a potential security vulnerability with any HP supported product, send Email to: security-alert@hp.com
It is strongly recommended that security related information being communicated to HP be encrypted using PGP, especially exploit information.
To get the security-alert PGP key, please send an e-mail message as follows:
To: security-alert@hp.com
Subject: get key
Subscribe: To initiate a subscription to receive future HP Security Bulletins via Email:
http://h30046.www3.hp.com/driverAlertProfile.php?regioncode=NA&langcode=USENG&jumpid=in_SC-GEN__driverITRC&topiccode=ITRC
On the web page: ITRC security bulletins and patch sign-up
Under Step1: your ITRC security bulletins and patches
-check ALL categories for which alerts are required and continue.
Under Step2: your ITRC operating systems
-verify your operating system selections are checked and save.
To update an existing subscription: http://h30046.www3.hp.com/subSignIn.php
Log in on the web page: Subscriber’s choice for Business: sign-in.
On the web page: Subscriber’s Choice: your profile summary – use Edit Profile to update appropriate sections.
To review previously published Security Bulletins visit: http://www.itrc.hp.com/service/cki/secBullArchive.do
* The Software Product Category that this Security Bulletin
relates to is represented by the 5th and 6th characters
of the Bulletin number in the title:
GN = HP General SW
MA = HP Management Agents
MI = Misc. 3rd Party SW
MP = HP MPE/iX
NS = HP NonStop Servers
OV = HP OpenVMS
PI = HP Printing & Imaging
ST = HP Storage SW
TL = HP Trusted Linux
TU = HP Tru64 UNIX
UX = HP-UX
VV = HP VirtualVault
System management and security procedures must be reviewed frequently to maintain system integrity. HP is continually reviewing and enhancing the security features of software products to provide customers with current secure solutions.
“HP is broadly distributing this Security Bulletin in order to bring to the attention of users of the affected HP products the important security information contained in this Bulletin. HP recommends that all users determine the applicability of this information to their individual situations and take appropriate action. HP does not warrant that this information is necessarily accurate or complete for all user situations and, consequently, HP will not be responsible for any damages resulting from user’s use or disregard of the information provided in this Bulletin. To the extent permitted by law, HP disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose, title and non-infringement.”
Copyright 2009 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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