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Security Holes in FileMaker 5 Web Companion
Security Holes in FileMaker 5 Web Companion Privacy and Legal Notice


K-038: Security Holes in FileMaker 5 Web Companion

May 11, 2000 18:00 GMT

PROBLEM:       The field restriction "Don't show" may fail to prevent the
               exposure of the contents of data fields.
PLATFORM:      Only those platforms used to publish Filemaker 5 databases via
               the Web Companion.
DAMAGE:        Users may be able to gain unauthorized access to fields
               containing sensitive information.
SOLUTION:      Update Filemaker Pro 5 Web Companion as directed by the

VULNERABILITY Risk is MEDIUM. There has been discussion in public forums on ASSESSMENT: how to exploit the vulnerability.

The advisory below was captured on May 10, 2000 at the URL


[ Start FileMaker, Inc. Advisory ]

FileMaker Web Companion Update 5.0v4
May 9, 2000

FileMaker Web Companion Update 5.0v4 WorldWide English.

Now available for download, FileMaker Pro 5 Web Companion 5.0v4
for FileMaker Pro 5, FileMaker Pro 5 Unlimited, and FileMaker
Developer 5.

The fix will be downloadable from www.filemaker.com/webcompanion.

The security issue is of concern only to FileMaker users publishing
FileMaker 5 databases via the Web Companion. We advise customers
who are using the FileMaker Pro 5 Web Companion to publish FileMaker
Pro 5 databases over the Web to install this update as soon as possible.

The fix addresses a Field-Level Security issue when using the Web
Security Database: Some technologies in the Web Companion may
inappropriately expose field contents which the user thinks are
protected by Field-Level Security.

This version supercedes 5.0v1, 5.0v2, 5.0v3 of the Web Companion.

Included with this update are:
1) Read Me
2) Web Companion 5.0v4

Select the platform version you wish to download: Mac | Windows

[ End FileMaker, Inc. Advisory ]

CIAC wishes to acknowledge the contributions of FileMaker, Inc. for the information contained in this bulletin.

CIAC services are available to DOE, DOE Contractors, and the NIH. CIAC can be contacted at:

    Voice:          +1 925-422-8193 (7 x 24)
    FAX:            +1 925-423-8002
    STU-III:        +1 925-423-2604
    E-mail:          ciac@llnl.gov
    World Wide Web:  http://www.ciac.org/
                     (same machine -- either one will work)
    Anonymous FTP:   ftp.ciac.org
                     (same machine -- either one will work)

This document was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor the University of California nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation or favoring by the United States Government or the University of California. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or the University of California, and shall not be used for advertising or product endorsement purposes.
[Privacy and Legal Notice]

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