TUCoPS :: HP/UX :: bu-748.htm

TUCoPS :: HP/UX :: bu-748.htm
HP-UX Running Kerberos, Remote Denial of Service (DoS), Execution of Arbitrary Code
HPSBUX02421 SSRT090047 rev.2 - HP-UX Running Kerberos, Remote Denial of Service (DoS), Execution of Arbitrary Code HPSBUX02421 SSRT090047 rev.2 - HP-UX Running Kerberos, Remote Denial of Service (DoS), Execution of Arbitrary Code

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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c01717795
Version: 2

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 as possible.

Release Date: 2009-07-29
Last Updated: 2009-09-30

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-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 to 1.6.2.

BACKGROUND

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

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
 Upgrade

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)
HP-UX Release
 Patch ID

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.

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.1.3.5.09 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.1.6.2.01 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.1.6.2.03 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_39774 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
KRB5-Client.KRB5-RUN
KRB5-Client.KRB5-SHLIB
action: install PHSS_39765 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
KRB5-Client.KRB5-RUN
KRB5-Client.KRB5-SHLIB
action: install PHSS_39766 or subsequent
URL http://itrc.hp.com 

END AFFECTED VERSIONS

HISTORY
Version:1 (rev.1) 29 July 2009 Initial release
Version:2 (rev.2) 30 Sept 2009 Updated Resolution to include patches to core product

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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