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AUSCERT External Security Bulletin Redistribution
ESB-2010.0566
HPSBUX02544 SSRT100107 rev.1 - HP-UX Running Kerberos, Remote Denial of
Service (DoS), Execution of Arbitrary Code
24 June 2010
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AusCERT Security Bulletin Summary
---------------------------------
Product: Kerberos
Publisher: Hewlett-Packard
Operating System: HP-UX
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2010-1321 CVE-2007-2798 CVE-2007-2443
CVE-2007-2442
Reference: ESB-2010.0453
AL-2007.0078
Original Bulletin:
http://www11.itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c02257427&admit=109447626+1277350447895+28353475
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SUPPORT COMMUNICATION - SECURITY BULLETIN
Document ID: c02257427
Version: 1
HPSBUX02544 SSRT100107 rev.1 - 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
as possible.
Release Date: 2010-06-23
Last Updated: 2010-06-23
Potential Security Impact: Remote Denial of Service (DoS) and execution of
arbitrary code
Source: Hewlett-Packard Company, HP Software Security Response Team
VULNERABILITY SUMMARY
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-2007-2442, CVE-2007-2443, CVE-2007-2798, CVE-2010-1321
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.11 running the Kerberos Client software versions prior to 1.3.5.10.
HP-UX B.11.23 and B.11.31 running the Kerberos Client software versions prior
to 1.6.2.08.
BACKGROUND
For a PGP signed version of this security bulletin please write to:
security-alert@hp.com
CVSS 2.0 Base Metrics
Reference Base Vector Base Score
CVE-2007-2442 (AV:N/AC:M/Au:N/C:C/I:C/A:C) 9.3
CVE-2007-2443 (AV:A/AC:M/Au:N/C:C/I:C/A:C) 7.9
CVE-2007-2798 (AV:A/AC:M/Au:S/C:C/I:C/A:C) 7.4
CVE-2010-1321 (AV:N/AC:L/Au:S/C:N/I:N/A:C) 6.8
Information on CVSS is documented in HP Customer Notice: HPSN-2008-002
RESOLUTION
HP has provided the following web updates and patches to resolve the
vulnerabilities.
The web updates are available from the following location.
http://software.hp.com
The patches are available from the following location.
http://itrc.hp.com
For Kerberos Web Update (KRB5CLIENT)
HP-UX Release
Depot name
B.11.11 (11i v1)
KRB5CLIENT_C.1.3.5.10_HP_UX_B.11.11_32_64.depot or subsequent
B.11.23 (11i v2)
KRB5CLIENT_D.1.6.2.08_HP-UX_B.11.23_IA_PA.depot or subsequent
B.11.31 (11i v3)
KRB5CLIENT_E.1.6.2.08_HP-UX_B.11.31_IA_PA.depot or subsequent
For Kerberos Client Product in Core-OS (KRB5-Client)
HP-UX Release
Patch ID
B.11.11 (11i v1)
PHSS_41166 or subsequent
B.11.23 (11i v2)
PHSS_41167 or subsequent
B.11.31 (11i v3)
PHSS_41168 or subsequent
MANUAL ACTIONS: Yes - NonUpdate
Upgrade to the versions listed under Resolution.
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
HP-UX B.11.11
==================
krb5client.KRB5-64SLIB-A
krb5client.KRB5-PRG-A
krb5client.KRB5-RUN-A
krb5client.KRB5-SHLIB-A
action: install revision C.1.3.5.10 or subsequent
URL http://software.hp.com
HP-UX B.11.23
==================
krb5client.KRB5-64SLIB-A
krb5client.KRB5-64SLIB-A
krb5client.KRB5-PRG-A
krb5client.KRB5-RUN-A
krb5client.KRB5-SHLIB-A
krb5client.KRB5IA32SLIB-A
krb5client.KRB5IA64SLIB-A
action: install revision D.1.6.2.08 or subsequent
URL http://software.hp.com
HP-UX B.11.31
==================
krb5client.KRB5-64SLIB-A
krb5client.KRB5-PRG-A
krb5client.KRB5-RUN-A
krb5client.KRB5-SHLIB-A
krb5client.KRB5IA32SLIB-A
krb5client.KRB5IA64SLIB-A
action: install revision E.1.6.2.08 or subsequent
URL http://software.hp.com
HP-UX B.11.11
==================
KRB5-Client.KRB5-SHLIB
KRB5-Client.KRB5-PRG
KRB5-Client.KRB5-RUN
KRB5-Client.KRB5-64SLIB
action: install PHSS_41166 or subsequent
URL http://itrc.hp.com
HP-UX B.11.23
==================
KRB5-Client.KRB5-PRG
KRB5-Client.KRB5-64SLIB
KRB5-Client.KRB5-IA32SLIB
KRB5-Client.KRB5-IA64SLIB
KRB5-Client.KRB5-RUN
KRB5-Client.KRB5-SHLIB
KRB5-Client.KRB5-64SLIB
action: install PHSS_41167 or subsequent
URL http://itrc.hp.com
HP-UX B.11.31
==================
KRB5-Client.KRB5-PRG
KRB5-Client.KRB5-64SLIB
KRB5-Client.KRB5-IA32SLIB
KRB5-Client.KRB5-IA64SLIB
KRB5-Client.KRB5-RUN
KRB5-Client.KRB5-SHLIB
KRB5-Client.KRB5-64SLIB
action: install PHSS_41168 or subsequent
URL http://itrc.hp.com
END AFFECTED VERSIONS
HISTORY
Version:1 (rev.1) 23 June 2010 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 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 2010 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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===========================================================================
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The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
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