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TUCoPS :: Windows Net Apps :: telnetd9.htm

InterAccess TelnetD Server 4.0 Denial of Service



Vulnerability

    TelnetD Server

Affected

    InterAccess TelnetD Server Release 4.0 *ALL BUILDS* for WinNT

Description

    UssrLabs found a local/remote DOS  Attack.  The code that  handles
    the Terminal  client configurations  to the  Telnet server  in the
    connection  procedure,  has  an  unchecked  size  that  cause  the
    TelnetD Service Crash.

    Binary or source for this D.O.S:

        http://www.ussrback.com/telnetd/dostelnetd.exe  (binary)
        http://www.ussrback.com/telnetd/dostelnetd.zip  (Source)

    Below is a mimed source:

    ---
    Content-Type: application/octet-stream; name="dostelnd.zip"
    Content-Transfer-Encoding: base64
    Content-Disposition: inline; filename="dostelnd.zip"
    Content-MD5: Ib556NDhW4WgYN5yHxutug==
    
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    -----

Solution

    There  is  a  FIX  for  InterAccess  TelnetD  Server 4.0 on Pragma
    Systems Web site

        http://www.pragmasys.com/TelnetD

    In the left  frame select "Get  the latest version  of InterAccess
    TelnetD Product"  and download  the latest  version (if  you are a
    current  user)  or  "Download  InterAccess  TelnetD Trial"  If you
    download this, then you should not encounter the problem.


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