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imonitor.txt

imonitor.txt
Posted Jan 7, 2000
Authored by Underground Security Systems Research

Local / Remote D.o.S vulnerability has been discovered in IMail IMONITOR Server for WinNT Version 5.08. The status.cgi script takes up too much CPU time, if you run status.cgi lots of times, the server will crash.

tags | exploit, remote, local, cgi
systems | windows
SHA-256 | 52d60a89d0c044f3abb0b05f296e310bf0ea9e620ccebc9175f98e0ed5783307

imonitor.txt

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Hash: SHA1

Local / Remote D.o.S Attack in IMail IMONITOR Server for WinNT
Version 5.08

USSR Advisory Code: USSR-2000030

Release Date:
January 05, 2000

Systems Affected:
IMail IMONITOR (PORT 8181) Server for WinNT Version 5.08 and maybe
other versions.
IMail Server for WinNT Version 6.0 is not public, so I can't test it
:(, anyway, I think it's vulnerable.

About The Software:
Mail Server is the choice of Business, Schools, and Service
Providers. Unlike Microsoft Exchange and Lotus Notes, which are
costly to deploy and cumbersome to administer, IMail Server is easy
to install and easy to manage. It has a fixed cost and is scalable to
thousands of users per server.

THE PROBLEM

UssrLabs found a bug, in the Imail Imonitor Service, Vulneravility is
in a Cgi-Script (status.cgi), this Script checks if the Server
Services is
runing (and it spends too much Cpu in this operation we might add),
if you execute the status.cgi, lots of times in a short time the
Imail Imonitor will
crash with an "Invalid Memory Address", and our friend DrWatson tells
us
to close the program :).

Example:
Open In Internet Explorer: http://ServerIp:8181/status.cgi
And you will See something like this.

|---------------------------------|
|Service | Status |
|SMTP | UP |
|POP3 | UP |
|DNS | UP |
|WEB | UP |
|TELNET | UP |
|FTP | UP |
|03:33:00 | 03:32:00 |
|________|________|
refresh

if you Run the Status.cgi lots of times, the server will crash.

Binary or source for this Exploit:

http://www.ussrback.com/


Do you do the w00w00?
This advisory also acts as part of w00giving. This is another
contribution to w00giving for all you w00nderful people out there.
You do know what w00giving is don't you?
http://www.w00w00.org/advisories.html

Vendor Status:
Informed, tracking number for this inquiry is IMS2000010500000096.

Vendor Url: http://www.ipswitch.com
Program Url: http://www.ipswitch.com/Products/IMail_Server/index.asp

Credit: USSRLABS

SOLUTION
Noting yet :(

Greetings:
Eeye, Attrition, w00w00, beavuh, Rhino9, ADM, L0pht, HNN,
Technotronic and
Wiretrip.

u n d e r g r o u n d s e c u r i t y s y s t e m s r e s e a r c
h
http://www.ussrback.com


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