[Dovecot-news] Dovecot v2.3.4.1 released

[Aki Tuomi]

https://dovecot.org/releases/2.3/dovecot-2.3.4.1.tar.gz
https://dovecot.org/releases/2.3/dovecot-2.3.4.1.tar.gz.sig
<https://dovecot.org/releases/2.3/dovecot-2.3.2.tar.gz.sig>
Binary packages in https://repo.dovecot.org/

    * CVE-2019-3814: If imap/pop3/managesieve/submission client has
      trusted certificate with missing username field
      (ssl_cert_username_field), under some configurations Dovecot
      mistakenly trusts the username provided via authentication instead
      of failing.
    * ssl_cert_username_field setting was ignored with external SMTP AUTH,
      because none of the MTAs (Postfix, Exim) currently send the
      cert_username field. This may have allowed users with trusted
      certificate to specify any username in the authentication. This bug
      didn't affect Dovecot's Submission service.


---

Aki Tuomi
Open-Xchange oy

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