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AUSCERT External Security Bulletin Redistribution
SSRT090047 rev.1 - HP-UX Running Kerberos, Remote Denial of
Service (DoS), Execution of Arbitrary Code
5 October 2009
AusCERT Security Bulletin Summary
Operating System: HP-UX
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2009-0847 CVE-2009-0846
Revision History: October 5 2009: Updated Resolution to include patches to
July 31 2009: Initial Release
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SUPPORT COMMUNICATION - SECURITY BULLETIN
Document ID: c01717795
HPSBUX02421 SSRT090047 rev.2 - HP-UX Running Kerberos, Remote Denial of Service
(DoS), Execution of Arbitrary Code
NOTICE: The information in this Security Bulletin should be acted upon as soon
Release Date: 2009-07-29
Last Updated: 2009-09-30
Potential Security Impact: Remote Denial of Service (DoS) and execution of
Source: Hewlett-Packard Company, HP Software Security Response Team
Potential security vulnerabilities have been identified on HP-UX running
Kerberos. These vulnerabilities could be exploited by remote unauthenticated
users to create a Denial of Service (DoS) or to execute arbitrary code.
References: CVE-2009-0846, CVE-2009-0847
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.11 running the Kerberos Client software versions prior to 1.3.5.09.
HP-UX B.11.23 and B.11.31 running the Kerberos Client software versions prior
CVSS 2.0 Base Metrics
Reference Base Vector Base Score
CVE-2009-0846 (AV:N/AC:L/Au:N/C:C/I:C/A:C) 10.0
CVE-2009-0847 (AV:N/AC:M/Au:N/C:N/I:N/A:P) 4.3
Information on CVSS is documented
in HP Customer Notice: HPSN-2008-002
HP has provided the following web updates and patches to resolve the
The web updates are available from the following location.
The patches are available from the following location.
For Kerberos Web Update (KRB5CLIENT)
B.11.11 (11i v1)
KRB5CLIENT_C.1.3.5.09_HP-UX_B.11.11_32_64.depot or subsequent
B.11.23 (11i v2)
KRB5CLIENT_D.1.6.2.01_HP-UX_B.11.23_IA_PA.depot or subsequent
B.11.31 (11i v3)
KRB5CLIENT_E.1.6.2.03_HP-UX_B.11.31_IA_PA.depot or subsequent
For Kerberos Client Product in Core-OS (KRB5-Client)
B.11.11 (11i v1)
PHSS_39774 or subsequent
B.11.23 (11i v2)
PHSS_39765 or subsequent
B.11.31 (11i v3)
PHSS_39766 or subsequent
MANUAL ACTIONS: Yes - NonUpdate
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.
action: install revision C.1.3.5.09 or subsequent
action: install revision D.1.6.2.01 or subsequent
action: install revision E.1.6.2.03 or subsequent
action: install PHSS_39774 or subsequent
action: install PHSS_39765 or subsequent
action: install PHSS_39766 or subsequent
END AFFECTED VERSIONS
Version:1 (rev.1) 29 July 2009 Initial release
Version:2 (rev.2) 30 Sept 2009 Updated Resolution to include patches to core
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: firstname.lastname@example.org
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:
Subject: get key
Subscribe: To initiate a subscription to receive future HP Security Bulletins
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.
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-verify your operating system selections are checked and save.
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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
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To review previously published Security Bulletins visit:
* 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
"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
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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