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[security bulletin] SSRT051041 rev.1 - HP-UX Mozilla Remote Unauthorized Execution of Privileged Code or Denial of Service (DoS) Oct 13 2005 07:23PM
security-alert hp com
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HP SECURITY BULLETIN

HPSBUX01231 REVISION: 1

SSRT051041 rev.1 - HP-UX Mozilla Remote Unauthorized Execution of
Privileged Code or Denial of Service (DoS)

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

INITIAL RELEASE:
12 October 2005

POTENTIAL SECURITY IMPACT:
Remote execution of privileged code or 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 Mozilla, where the vulnerability could be exploited to
allow a remote, unauthorized user to execute privileged code or to
create a Denial of Service (DoS).

REFERENCES:
CAN-2005-2871, MSFA 2005-57

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.00, B.11.11, B.11.22, B.11.23 running Mozilla 1.7.11
and previous.

BACKGROUND:

A potential vulnerability has been identified in the Mozilla
International Domain Name (IDN) support:

CAN-2005-2871 MFSA 2005-57
IDN heap overrun using soft-hyphens

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.11.00
HP-UX B.11.11
HP-UX B.11.22
HP-UX B.11.23
=============
Mozilla.MOZ-COM
action: disable IDN support in Mozilla.

END AFFECTED VERSIONS

RESOLUTION:

The vulnerability can be worked around by disabling IDN support.
Work around instructions are available here:

<https://addons.mozilla.org/messages/307259.html>

->Note: A preliminary version of Mozilla 1.7.12 is available for
-> HP-UX B.11.00, B.11.11, B.11.22, and B.11.23
-> from the url below. This preliminary version has
-> received minimal testing and is localized for English only.
-> Mozilla 1.7.12 resolves MFSA 2005-57 and other
-> vulnerabilities.

-><ftp://ftp.mozilla.org/pub/mozilla.org/mozilla/releases/
mozilla1.7.12/contrib/>

->The md5 sums are:
->ec67c6bb71e292fafc9499fd829f179f
-> mozilla1.7.12-hppa2.0w-hp-hpux11.00.depot.gz
->c8f50c89d751bb057bf4e66c58b973e5
-> mozilla1.7.12-hppa2.0w-hp-hpux11.00.depot.gz.readme
->59e4c0e28d7006c916589debae847d15
-> mozilla1.7.12-ia64-hp-hpux11.22.depot.gz
->235b8769a6c48dfd17f73f02643fde46
-> mozilla1.7.12-ia64-hp-hpux11.22.depot.gz.readme

This bulletin will be revised when additional resolution
information is available.

MANUAL ACTIONS: Yes - NonUpdate
Disable Mozilla IDN support as described here:
<https://addons.mozilla.org/messages/307259.html>

BULLETIN REVISION HISTORY:
Revision 0: 3 October 2005
Initial release

Revision 1: 12 October 2005
Preliminary Mozilla 1.7.12 available.

HP-UX SPECIFIC SECURITY BULLETINS*: 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=B6834AA

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 (at) hp (dot) com. [email concealed] 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 (at) hp (dot) com [email concealed] with the Subject of
'get key' (no quotes).

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://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:
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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