CVE-2015-9097: SMTP Injection via to/from addresses

June 12, 2017 (updated July 5, 2017)

The mail package does not disallow CRLF in email addresses; an attacker can inject SMTP commands in specially crafted email addresses passed to RCPT TO and MAIL FROM.

References

www.mbsd.jp/Whitepaper/smtpi.pdf
github.com/mikel/mail/pull/1097
hackerone.com/reports/137631

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