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HP SECURITY BULLETIN


HPSBUX01062     REVISION: 0

SSRT4782 rev. 0 HP-UX CIFS Server potential remote root access


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NOTICE:
 There are no restrictions for distribution of this Bulletin
 provided that it remains complete and intact.

 The information in this Security bulletin should be acted upon
 as soon as possible.

INITIAL RELEASE:    26 July 2004



POTENTIAL SECURITY IMPACT:    remote root access

SOURCE:    HEWLETT-PACKARD COMPANY
HP Software Security Response Team

REFERENCES:    CAN-2004-0686

VULNERABILITY SUMMARY:
A potential security vulnerability has been identified with HP-UX
running the CIFS Server.  This buffer overflow could potentially
be exploited remotely to gain root access.

SUPPORTED SOFTWARE VERSIONS*:  ONLY impacted versions are listed.
HP-UX B.11.00, B.11.11, B.11.22, B.11.23.
BACKGROUND:

AFFECTED VERSIONS

Note: To determine if a system has an affected version,
      search the output of "swlist -a revision -l fileset"
      for an affected fileset.  Then determine if the
      recommended patch or update is installed.

HP-UX B.11.23
HP-UX B.11.22
HP-UX B.11.11
HP-UX B.11.00
=============
For revision A.01.11.01 and previous:
CIFS-Server
action: Please see the Resolution section.

END AFFECTED VERSIONS

Note: The HP CIFS Server versions do not map directly to
         original Samba versions.  The what(1) output will show
         the HP version string, for example: A.01.11.02.  Samba
         commands such as "smbd -V" or "smbstatus" will report the
         underlying base Samba version, for example: 2.2.10.

Note: The HP CIFS Server versions A.01.11.02 and previous are
      not affected by the vulnerability reported in CAN-2004-0600.

RESOLUTION:
Until an update is available the potential vulnerability can
be avoided by setting "mangling method = hash2" or
"mangled names = no" in smb.conf.

Note: CIFS Server installations requiring the hash mangling
          method must evaluate the impact of converting to the
          hash2 mangling method.



MANUAL ACTIONS:  Yes - NonUpdate
Until a product update is available, modify smb.conf as described
in the Resolution section.

BULLETIN REVISION HISTORY:
Revision 0 - 26 July 2004
  Initial release.


* The software product category that this Security Bulletin
 relates to is represented by the 5th and 6th characters of the
 Bulletin number: GN=General, MA=Management Agents, MI=Misc.
 3rd party, MP=HP-MPE/iX, NS=HP NonStop Servers, OV=HP OpenVMS,
 PI=HP Printing & Imaging, ST=HP Storage, TU=HP Tru64 UNIX,
 TL=Trusted Linux, UX=HP-UX, VV=Virtual Vault


SUPPORT: For further information, contact HP Services support
         channel.

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:
Driver and Support Alerts/Notifications Sign-up: Product Selection
Under Step1: your products
1. Select product category:
   - a minimum of servers must be selected.
2. Select product family or search:
   - a minimum of one product must be selected.
3. Add a product:
   - a minimum of one product must be added.
In Step 2: your operating system(s)
   - check ALL operating systems for which alerts are required.
Complete the form 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.

Note: In addition to the individual alerts/notifications for the
selected operating systems/products, subscribers will
automatically receive one copy of alerts for non-operating system
categories (i.e., a subscriber who signs up for all six operating
system alerts will only receive one copy of all the non-operating
system alerts).

HP-UX SPECIFIC SECURITY BULLETINS*:
To review previously published Security Bulletins for HP-UX:
 http://itrc.hp.com/cki/bin/doc.pl/screen=ckiSecurityBulletin

Security Patch Check revision B.02.00 analyzes all HP-issued
security bulletins to give you a subset of recommended actions
that potentially affect your particular HP-UX system.
For more information:
<http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/
 displayProductInfo.pl?productNumber=B6834AA>


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 obtain the security-alert PGP key please send an
e-mail message to security-alert@hp.com with the Subject of
'get key' (no quotes).

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 2004 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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