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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c00579189
Version: 5

HPSBUX02087 SSRT4728 rev.5 - HP-UX running TCP/IP Remote Denial of Service (DoS)

NOTICE: The information in this Security Bulletin should be acted upon as soon as possible.

Release Date: 2005-12-09
Last Updated: 2007-05-21

Potential Security Impact: Remote Denial of Service (DoS) 

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

VULNERABILITY SUMMARY
A potential security vulnerability has been identified with HP-UX running TCP/IP. 
The potential vulnerability could be exploited remotely to cause a Denial of Service (DoS). 

References: CVE-2004-0744

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.00, B.11.04, B.11.11, B.11.23 running TCP/IP. 

BACKGROUND

To determine if an HP-UX system has an affected version, 
search the output of "swlist -a revision -l fileset" 
for one of the filesets listed below. For affected systems 
verify that the recommended action has been taken. 

AFFECTED VERSIONS 

HP-UX B.11.00 
============= 
- ->Streams.STREAMS-KRN 
action: install PHNE_30161 or subsequent 

HP-UX B.11.04 
============= 
Networking.NET-KRN 
action: install PHNE_33427 or subsequent and install sqmax (see Resolution section) 

HP-UX B.11.11 
============= 
Streams.STREAMS-KRN 
action: install PHNE_34131 or subsequent 

HP-UX B.11.23 
============= 
Streams.STREAMS2-KRN 
action: install PHKL_31500 or subsequent 

END AFFECTED VERSIONS 

RESOLUTION

HP has made patches and product updates available to resolve the issue. 
After installing the recommended patches for B.11.04 
a system parameter must be set. A utility, sqmax, must be 
downloaded and installed to set the required system parameter as 
discussed below. 

B.11.00 install PHNE_30161 or subsequent, sqmax not required
 
B.11.04 install PHNE_33427 or subsequent, then install sqmax as discussed below
 
B.11.11 install PHNE_34131 or subsequent, sqmax not required
 
B.11.23 install PHKL_31500 or subsequent, sqmax not required

The patches are available from http://itrc.hp.com 

For B.11.04: 
After the patches listed above are installed an internal system parameter 
must be set. A utility, sqmax, has been provided to set the parameter. 
The sqmax utility is available by writing to security-alert@hp.com. 

MANUAL ACTIONS: Yes - NonUpdate 
B.11.04 - After installing patch, install sqmax. Run "/usr/contrib/bin/sqmax 1000" or reboot. 

PRODUCT SPECIFIC INFORMATION 

HP-UX Security Patch Check: Security Patch Check revision B.02.00 
analyzes all HP-issued Security Bulletins to provide a subset of 
recommended actions that potentially affect a specific HP-UX 
system. For more information: 
http://software.hp.com/portal/swdepot/displayProductInfo.do?productNumber=B6834AA 

HISTORY 
Version:1 (rev.1) 14 December 2005 Initial release 
Version:2 (rev.2) 24 July 2006 New sqmax utility for B.11.04, augmented installation instructions 
Version:3 (rev.3) 31 July 2006 PHNE_34131 is available for B.11.11 
Version:4 (rev.4) 09 October 2006 PHNE_30161 is available for B.11.00 
Version:5 (rev.5) 21 May 2007 Corrected fileset information for PHNE_30161 

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."

©Copyright 2007 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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