Fedora Linux 8811 Published by

A dovecot security update has been released for Fedora 32.



SECURITY: Fedora 32 Update: dovecot-2.3.13-2.fc32


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Fedora Update Notification
FEDORA-2021-c90cb486f7
2021-01-20 01:26:41.921779
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Name : dovecot
Product : Fedora 32
Version : 2.3.13
Release : 2.fc32
URL :   http://www.dovecot.org/
Summary : Secure imap and pop3 server
Description :
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.

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Update Information:

fix rundir location ---- - dovecot updated to 2.3.13, pigeonhole to 0.5.13 -
CVE-2020-24386: Specially crafted command can cause IMAP hibernate to allow
logged in user to access other people's emails and filesystem information. -
Metric filter and global event filter variable syntax changed to a SQL-like
format. - auth: Added new aliases for %{variables}. Usage of the old ones is
possible, but discouraged. - auth: Removed RPA auth mechanism, SKEY auth
mechanism, NTLM auth mechanism and related password schemes. - auth: Removed
passdb-sia, passdb-vpopmail and userdb-vpopmail. - auth: Removed postfix postmap
socket
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ChangeLog:

* Thu Jan 7 2021 Michal Hlavinka - 1:2.3.13-2
- fix rundir location
* Wed Jan 6 2021 Michal Hlavinka - 1:2.3.13-1
- fix release number
* Mon Jan 4 2021 Michal Hlavinka - 1:2.3.13-0
- dovecot updated to 2.3.13, pigeonhole to 0.5.13
- CVE-2020-24386: Specially crafted command can cause IMAP hibernate to
allow logged in user to access other people's emails and filesystem
information.
- Metric filter and global event filter variable syntax changed to a
SQL-like format.
- auth: Added new aliases for %{variables}. Usage of the old ones is
possible, but discouraged.
- auth: Removed RPA auth mechanism, SKEY auth mechanism, NTLM auth
mechanism and related password schemes.
- auth: Removed passdb-sia, passdb-vpopmail and userdb-vpopmail.
- auth: Removed postfix postmap socket
* Wed Oct 21 2020 Michal Hlavinka - 1:2.3.11.3-7
- change run directory from /var/run to /run (#1777922)
* Wed Oct 21 2020 Michal Hlavinka - 1:2.3.11.3-6
- use bigger default key size (#1882939)
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References:

[ 1 ] Bug #1912455 - CVE-2020-24386 dovecot: IMAP hibernation function allows mail access
  https://bugzilla.redhat.com/show_bug.cgi?id=1912455
[ 2 ] Bug #1912460 - CVE-2020-25275 dovecot: Denial of service via mail MIME parsing
  https://bugzilla.redhat.com/show_bug.cgi?id=1912460
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-c90cb486f7' at the command
line. For more information, refer to the dnf documentation available at
  http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
  https://fedoraproject.org/keys