Whitepaper: SMTP Injection via recipient email addresses

Dear all,

MBSD released a whitepaper titled "SMTP Injection via recipient email
addresses."
http://www.mbsd.jp/Whitepaper/smtpi.pdf

The paper discusses SMTP Injection attacks via malformed recipient
email addresses in some email libraries in Ruby, Java and PHP.

TOC
1. Introduction
2. How the attack works
3. Vulnerability examples
 3.1. Ruby's Mail
 3.2. JavaMail
 3.3. PHPMailer
 3.4. Other platforms
4.Further attack possibility
 4.1. FWS Attack
 4.2. CRLF-less attack
 4.3. Line-breaks for SMTP servers
5. Sender address attack
6. Conclusion

Best regards,

-- 
Takeshi Terada
Mitsui Bussan Secure Directions, Inc.
http://www.mbsd.jp/



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