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Lotus Domino Web Server iNotes Overflow (#NISR17022003b)

NGSSoftware Insight Security Research Advisory

Name:    Lotus Domino Web Server iNotes Overflow
Systems Affected:  Release 6.0
Severity:  Critical Risk
Category:               Remote System Buffer Overrun
Vendor URL:   http://www.lotus.com
Author:   Mark Litchfield (mark@xxxxxxxxxxxxxxx)
Date:   17th February 2003
Advisory number: #NISR17022003b

Lotus Domino and Notes together provide a featured enterprise collaboration
system with Domino providing application server services. iNotes provides
web based messaging facilities.

iNotes suffers from a remotley exploitable buffer overrun when an attacker
provides an overly long value for the s_ViewName/Foldername options of the
PresetFields parameter when requesting web based mail services. Any code
supplied would run in the security context of the account running the Domino
Web Services.

Fix Information
NGSSoftware alerted IBM/Lotus to this issue on the 14th of January 2002. IBM
Lotus Notes and Domino Release 6.0.1 is now available and being marketed as
the first maintenance release.  IBM say if customers haven't already
upgraded or migrated to Notes and Domino 6, now is the time to move and
start reaping the benefits of this existing and highly praised release.
Release 6.0.1 includes fixes to enhance the quality and reliability of the
Notes and Domino 6 products.  It does not however mention any security
issues, and NGS would strongly advise to upgrade as soon as possible not to
just to "reap the benefits" but to secure the server and data against
possible attacks.

The upgrade / patch can be obtained from


A check for this issue has been added to DominoScan R2, a comprehensive
automated intelligent assessment tool for Lotus Domino Servers of which more
information is available from the NGSSite


Further Information
For further information about the scope and effects of buffer overflows,
please see


About NGSSoftware
NGSSoftware design, research and develop intelligent, advanced application
security assessment scanners. Based in the United Kingdom, NGSSoftware have
offices in the South of London and the East Coast of Scotland. NGSSoftware's
sister company NGSConsulting, offers best of breed security consulting
services, specialising in application, host and network security


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