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TUCoPS :: HP/UX :: b06-4013.htm

HP-UX running TCP/IP Remote DoS



HPSBUX02087 SSRT4728 rev.3 - HP-UX running TCP/IP Remote Denial of Service (DoS)
HPSBUX02087 SSRT4728 rev.3 - HP-UX running TCP/IP Remote Denial of Service (DoS)



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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c00579189
Version: 3

HPSBUX02087 SSRT4728 rev.3 - 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: 2006-07-30

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
============Networking.NET-KRN
action: install PHNE_33395 or subsequent and install sqmax (see Resolution section)

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.11.00 and 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_33395 or subsequent 
then install sqmax as discussed below

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.11.00 and 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 parameter must be set whenever the system is rebooted.
An initialization file (sqmax.init.d) is included with the sqmax utility.
The instructions in sqmax.readme show how in install the initialization file
so that the system parameter is set automatically when the system is rebooted.

The sqmax utility is available via ftp:
System: hprc.external.hp.com (192.170.19.100)
Login: sqmax
Password: sqmax

FTP Access:
ftp://sqmax:sqmax@hprc.external.hp.com/ 
or:
ftp://sqmax:sqmax@192.170.19.100/ 

   1. Download sqmax.tar from the ftp site into a secure directory.
   2. Verify the cksum or md5sum:
      cksum 987961878 30720
      md5sum 5a140635ac216fe580d7edc0f68a417a
   3. Unpack the archive:
      tar -xvf sqmax.tar
   4. Refer to sqmax.readme for further instructions.
   5. After installing sqmax, run "/usr/contrib/bin/sqmax 1000".
   6. As discussed in sqmax.readme, "/usr/contrib/bin/sqmax 1000" 
       can be run automatically when the system is rebooted.



 ->The version of sqmax cited in rev.1 of this Security Bulletin will exit 
with a failure message when executed on a B.11.04 system. A new 
version has been provided which functions correctly on B.11.00 and B.11.04. 
The previous version functions correctly on B.11.00. There is no need to 
download the new version for B.11.00 systems.

The new sqmax has the following what(1) string:
$Revision: 92453-07 linker linker crt0.o B.11.33 020605 $
sqmax: $Revision: 3.0 $ $Date: 07/17/2006 WTEC TSO Supported - MW $

The previous sqmax has the following what(1) string:
$Revision: 92453-07 linker linker crt0.o B.11.33 020605 $
sqmax: $Revision: 2.0 $ $Date: 10/11/2004 WTEC TSO Supported - MW $

MANUAL ACTIONS: Yes - NonUpdate
- ->B.11.00, 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

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 Virtual Vault


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."


(c)Copyright 2006 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 nor 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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