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Fedora 21 Dovecot Security Update: CVE-2015-3420 Critical SSL/TLS Crash

fedora
Calendar Grey May 19, 2015
Dist Fedora Esm H88
Postfix upgraded for CentOS 7 to address SMTP authentication errors leading to service disruptions. Important security update implemented.
fixes CVE-2015-3420: SSL/TLS handshake failures leading to a crash of the login process - dovecot updated to 2.2.16 - auth: Don't crash if master user login is attempted without a...

Summary

Dovecot is an IMAP server for Linux/UNIX-like systems, written with security

primarily in mind. It also contains a small POP3 server. It supports mail

in either of maildir or mbox formats.

The SQL drivers and authentication plug-ins are in their subpackages.

Update Information:

fixes CVE-2015-3420: SSL/TLS handshake failures leading to a crash of the login process - dovecot updated to 2.2.16 - auth: Don't crash if master user login is attempted without any configured master=yes passdbs - Parsing UTF-8 text for mails could have caused broken results sometimes if buffering was split in the middle of a UTF-8 character. This affected at least searching messages. - String sanitization for some logged output wasn't done properly: UTF-8 text could have been truncated wrongly or the truncation may not have happened at all. - fts-lucene: Lookups from virtual mailbox consisting of over 32 physical mailboxes could have caused crashes. - dovecot updated to 2.2.16 - auth: Don't crash if master user login is attempted without any configured master=yes passdbs - Parsing UTF-8 text for mails could have caused broken results sometimes if buffering was split in the middle of a UTF-8 character. This affected at least searching messages. - St...

Change Log

* Tue Apr 28 2015 Michal Hlavinka - 1:2.2.16-2 - fix CVE-2015-3420: SSL/TLS handshake failures leading to a crash of the login process * Mon Mar 16 2015 Michal Hlavinka - 1:2.2.16-1 - dovecot updated to 2.2.16 - auth: Don't crash if master user login is attempted without any configured master=yes passdbs - Parsing UTF-8 text for mails could have caused broken results sometimes if buffering was split in the middle of a UTF-8 character. This affected at least searching messages. - String sanitization for some logged output wasn't done properly: UTF-8 text could have been truncated wrongly or the truncation may not have happened at all. - fts-lucene: Lookups from virtual mailbox consisting of over 32 physical mailboxes could have caused crashes. * Thu Feb 5 2015 Michal Hlavinka - 1:2.2.15-3 - fix mbox istream crashes (#1189198, #1186504) * Mon Jan 5 2015 Michal Hlavinka - 1:2.2.15-2 - fix crash related to logging BYE notifications (#1176282) - update pigeonhole to 0.4.6

References


[ 1 ] Bug #1216057 - CVE-2015-3420 dovecot: SSL/TLS handshake failures leading to a crash of the login process. https://bugzilla.redhat.com/show_bug.cgi?id=1216057

Update Instructions

This update can be installed with the "yum" update program. Use su -c 'yum update dovecot' at the command line. For more information, refer to "Managing Software with yum", available at .

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Name: dovecot
Product: Fedora 21
Version: 2.2.16
Release: 2.fc21
URL: Summary : Secure imap and pop3 server

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