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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c00634759
Version: 1

HPSBPI2109 SSRT061141 rev.1 - HP Color LaserJet 2500 and 4600
Toolbox Running on Microsoft Windows Remote Unauthorized
Disclosure of Information

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

Release Date: 2006-04-02
Last Updated: 2006-04-02

Potential Security Impact: Remote unauthorized disclosure of
information

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

VULNERABILITY SUMMARY
A potential security vulnerability has been identified in the
HP Color LaserJet 2500 and 4600 Toolbox, which may allow an
unauthorized remote attacker to read arbitrary files.

References: none

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP Color LaserJet 2500 Toolbox on Microsoft Windows
HP Color LaserJet 4600 Toolbox on Microsoft Windows

BACKGROUND

The Hewlett-Packard Company thanks Richard Horsman of Sec-1.com
for reporting this vulnerability to security-alert@hp.com. 

This potential security vulnerability allows a remote unauthorized
malicious user to retrieve arbitrary files from a Microsoft
Windows computer when the HP Color LaserJet 2500 and 4600 Toolbox
is in the default configuration.

RESOLUTION

HP has made the "HP Color LaserJet 2500/4600 Software Update"
version 3.1 available to resolve the issue.

The software update can be downloaded as follows:

For the HP Color LaserJet 2500

   1. Browse to

http://www.hp.com/go/clj2500_software 
   2. Select ">>Download Drivers and Software"
   3. Under "Select your product" choose the printer model.
   4. Under "Select operating system" choose the operating system.
   5. Download the "HP Color LaserJet 2500/4600 Software Update"
      version 3.1
   6. Follow the download instructions presented on the "HP Color
      LaserJet 2500/4600 Software Update" download page to run
      the update.

For the HP Color LaserJet 4600

   1. Browse to

http://www.hp.com/go/clj4600_software 
   2. Under "Select your product" choose the printer model.
   3. Under "Select operating system" choose the operating system.
   4. Download the "HP Color LaserJet 2500/4600 Software Update"
      version 3.1
   5. Follow the download instructions presented on the "HP Color
      LaserJet 2500/4600 Software Update" download page to run
      the update.

After the update has been installed the following file:

C:\Program Files\Hewlett-Packard\ProxyService\Classes\
ProxyService.jar

will have the following File Size and Date Modified:

File Size: 147,162 bytes
Date Modified: 3/29/2006, 3:29PM

HISTORY:
Version: 1 (rev.1) 2 April 2006 Initial release


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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