[NEWS] Lotus Domino Password Protected URL Bypass
From: support@securiteam.comDate: 02/05/02
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From: support@securiteam.com To: list@securiteam.com Date: Tue, 5 Feb 2002 00:16:48 +0100 (CET)
The following security advisory is sent to the securiteam mailing list, and can be found at the SecuriTeam web site: http://www.securiteam.com
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Lotus Domino Password Protected URL Bypass
------------------------------------------------------------------------
SUMMARY
A security vulnerability has been found in the popular Lotus Domino Web
server. Lotus Domino have files like webadmin.nsf, log.nsf and names.nfs,
these files are protected by passwords. It was discovered that is possible
to bypass this password if you create a malformed URL.
DETAILS
Example:
Critical buffer length: is the minimum buffer length you need to bypass
Normal url: http://example.com/log.nsf <---- Request for a passwd
In the case of log.nsf, <buff> is 217 - 12 = 205 '+' and the url will be:
If you write a buffer between 219 and 257(higher buffer), you bypass the
ADDITIONAL INFORMATION
The information has been provided by <mailto:gmaggiot@ciudad.com.ar>
========================================
This bulletin is sent to members of the SecuriTeam mailing list.
====================
DISCLAIMER:
Assuming the buffer is: http://example.com/
the passwd file.
Modify url: http://example.com/log.ntf
|-----217 -------|
http://example.com/log.ntf++++++++++++++++++++.nsf/
|-------- 205 -----|
passwd. Modify URL:
http://example.com/log.ntf
|---219 to 257 --|
Gabriel A. Maggiotti and David Litchfield.
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====================
The information in this bulletin is provided "AS IS" without warranty of any kind.
In no event shall we be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages.
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