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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

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-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
©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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