Message-ID: <20051114194926.A5E7F41ED@hpchs.cup.hp.com>
Date: Mon, 14 Nov 2005 11:49:26 -0800
From: security-alert@...com
To: bugtraq@...urityfocus.com
Subject: [security bulletin] HPSBUX02075 SSRT051074 - HP-UX Running xterm Local Unauthorized Access


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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c00555516
Version: 1

HPSBUX02075 SSRT051074 - HP-UX Running xterm Local Unauthorized
                         Access

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

Release Date: 2005-11-11
Last Updated: 2005-11-13

Potential Security Impact: Local unauthorized access

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

VULNERABILITY SUMMARY
A potential security vulnerability has been identified with HP-UX
running xterm.  The vulnerability could be exploited by a local
user to gain unauthorized access.

References: none

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

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
=============
X11.X11-RUN-CL
action: remove PHSS_32109 if installed

HP-UX B.11.11
=============
X11.X11-RUN-CL
action: remove PHSS_30791 if installed

HP-UX B.11.11
=============
X11.X11-RUN-CL
action: remove PHSS_33589 if installed

HP-UX B.11.23
=============
X11.X11-RUN-CL
action: remove PHSS_31833 if installed

HP-UX B.11.23
=============
X11.X11-RUN-CL
action: remove PHSS_32366 if installed

END AFFECTED VERSIONS

RESOLUTION

Until patches are provided to resolve the issue avoid using the
potentially vulnerable versions of /usr/bin/X11/xterm.

One solution is to remove the patches listed in the Background
section (above).  The patches listed are the only patches
containing the potentially vulnerable xterm.

An alternative to removing the patches is to use
/usr/contrib/bin/X11R5/xterm.

For example:

cp /usr/bin/X11/xterm /usr/bin/X11/xterm.nosuid
chmod 555 /usr/bin/X11/xterm.nosuid
cp /usr/contrib/bin/X11R5/xterm /usr/bin/X11/xterm

MANUAL ACTIONS: Yes - NonUpdate
Remove the patches listed in the Background section
or use /usr/contrib/bin/X11R5/xterm.


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://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi
displayProductInfo.pl?productnumber=B6834AAtN


UPDATE HISTORY
Initial release: 13 November 2005


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@...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@...com
  Subject: get key

Subscribe: To initiate a subscription to receive future HP
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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
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Under Step2: your ITRC operating systems
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To review previously published Security Bulletins visit:
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* 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 2005 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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