INFORMATION BULLETIN

S-245: HP Tru64 UNIX running SSH/SFTP Server

[Hewlett-Packard HPSBTU02322 SSRT080011 rev. 2]

March 27, 2008 19:00 GMT


PROBLEM:	A potential security vulnerability has been identified in the SFTP Server (sftp- server) component of SSH v 3.2.0 and earlier running on HP Tru64 UNIX.
PLATFORM:	HP Tru64 UNIX v 5.1B-4 and v 5.1B-3
DAMAGE:	Execute arbitrary code or DoS.
SOLUTION:	Upgrade to the appropriate version.

VULNERABILITY ASSESSMENT:	The risk is MEDIUM. The vulnerability could be exploited by a remote user to execute arbitrary code or cause a Denial of Service (DoS).

CVSS 2 BASE SCORE: TEMPORAL SCORE: VECTOR:	7.8 6.3 (AV:N/AC:M/Au:N/C:N/I:P/A:C/E:POC/RL:TF/RC:C)

LINKS:
CIAC BULLETIN:	http://www.ciac.org/ciac/bulletins/s-245.shtml
ORIGINAL BULLETIN:	Visit Hewlett-Packard Subscription Service for: HPSBTU02322 SSRT080011 rev. 2
CVE:	CVE-2006-0705

[***** Start Hewlett-Packard HPSBTU02322 SSRT080011 rev. 2 *****]

SUPPORT COMMUNICATION - SECURITY BULLETIN
Document ID: c01404118

Version: 1

HPSBTU02322 SSRT080011 rev.2 - HP Tru64 UNIX running SSH/SFTP Server, Remote Execution of Arbitrary Code or Denial of Service (DoS)
NOTICE: The information in this Security Bulletin should be acted upon as soon as possible.
Release Date: 2008-03-26

Last Updated: 2008-03-26

--------------------------------------------------------------------------------

Potential Security Impact: Remote execution of asrbitrary code or Denial of Service (DoS)

Source: Hewlett-Packard Company, HP Software Security Response Team

VULNERABILITY SUMMARY
A potential security vulnerability has been identified in the SFTP Server (sftp- server) component of SSH v 3.2.0 and earlier running on HP Tru64 UNIX. The vulnerability could be exploited by a remote user to execute arbitrary code or cause a Denial of Service (DoS).

References: CVE-2006-0705

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
The following supported software versions are affected:

SSH v 3.2.0 and earlier as provided with...

HP Tru64 UNIX v 5.1B-4
HP Tru64 UNIX v 5.1B-3

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-2006-0705 (AV:N/AC:L/Au:S/C:P/I:P/A:P) 6.5

Information on CVSS is documented in HP Customer Notice: HPSN-2008-002.

RESOLUTION
HP is releasing the following Early Release Patch (ERP) kits publicly for use by any customer until updates are available in mainstream release patch kits.

The resolutions contained in the ERP kits are targeted for availability in the following mainstream kit:

HP Tru64 UNIX v 5.1B-5

The ERP kits use dupatch to install and will not install over any Customer Specific Patches (CSPs) that have file intersections with the ERPs. Contact your service provider for assistance if the installation of the ERPs is blocked by any of your installed CSPs.

The ERP kits distribute the following items:

Patched version of SSH v 3.2.0

HP Tru64 UNIX Version v 5.1B-4
PREREQUISITE: HP Tru64 UNIX v 5.1B-4 PK6 (BL27)
Name: T64KIT1001460-V51BB27-ES-20080310
Location: http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1001460-V51BB27-ES-20080310
HP Tru64 UNIX Version v 5.1B-3
PREREQUISITE: HP Tru64 UNIX v 5.1B-3 PK5 (BL26)
Name: T64KIT1001467-V51BB26-ES-20080314
Location: http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=T64KIT1001467-V51BB26-ES-20080314

MD5 checksums are available from the ITRC patch database main page. From the patch database main page, click Tru64 UNIX, then click verifying MD5 checksums under useful links.

PRODUCT SPECIFIC INFORMATION

HISTORY

Version:1 (rev.1) - 25 March 2008 Initial release
Version:2 (rev.2) - 26 March 2008 Updated patchkit links

Third Party Security Patches: Third party security patches which 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."


[***** End Hewlett-Packard HPSBTU02322 SSRT080011 rev. 2 *****]

CIAC wishes to acknowledge the contributions of Hewlett-Packard for the information contained in this bulletin.

CIAC services are available to DOE, DOE Contractors, and the NIH. CIAC can be contacted at:

    Voice:          +1 925-422-8193 (7 x 24)
    FAX:            +1 925-423-8002
    STU-III:        +1 925-423-2604
    E-mail:          ciac@ciac.org
    World Wide Web:  http://www.ciac.org/
    Anonymous FTP:   ftp.ciac.org

This document was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor the University of California nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation or favoring by the United States Government or the University of California. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or the University of California, and shall not be used for advertising or product endorsement purposes.

UCRL-MI-119788
[Privacy and Legal Notice]