A cyrus-imapd security update has been released for Fedora 30
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Fedora Update Notification
FEDORA-2019-393e1cef4d
2019-12-05 01:09:44.879661
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Name : cyrus-imapd
Product : Fedora 30
Version : 3.0.12
Release : 1.fc30
URL : http://www.cyrusimap.org/
Summary : A high-performance email, contacts and calendar server
Description :
The Cyrus IMAP (Internet Message Access Protocol) server provides access to
personal mail, system-wide bulletin boards, news-feeds, calendar and contacts
through the IMAP, JMAP, NNTP, CalDAV and CardDAV protocols. The Cyrus IMAP
server is a scalable enterprise groupware system designed for use from small to
large enterprise environments using technologies based on well-established Open
Standards.
A full Cyrus IMAP implementation allows a seamless mail and bulletin board
environment to be set up across one or more nodes. It differs from other IMAP
server implementations in that it is run on sealed nodes, where users are not
normally permitted to log in. The mailbox database is stored in parts of the
filesystem that are private to the Cyrus IMAP system. All user access to mail
is through software using the IMAP, IMAPS, JMAP, POP3, POP3S, KPOP, CalDAV
and/or CardDAV protocols.
The private mailbox database design gives the Cyrus IMAP server large
advantages in efficiency, scalability, and administratability. Multiple
concurrent read/write connections to the same mailbox are permitted. The server
supports access control lists on mailboxes and storage quotas on mailbox
hierarchies.
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Update Information:
Update to version 3.0.12 of cyrus-imapd, which includes (among other fixes) a
fix for CVE-2019-18928. https://www.cyrusimap.org/imap/download/release-
notes/3.0/x/3.0.12.html
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ChangeLog:
* Fri Nov 22 2019 Jason L Tibbitts III - 3.0.12-1
- Update to 3.0.12, fixing CVE-2019-18928.
* Tue Jul 30 2019 Jason L Tibbitts III - 3.0.11-1
- Update to 3.0.11.
* Wed Jul 24 2019 Fedora Release Engineering - 3.0.10-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Fri May 31 2019 Jitka Plesnikova - 3.0.10-2
- Perl 5.30 rebuild
* Tue May 28 2019 Jason L Tibbitts III - 3.0.10-1
- Update to 3.0.10.
- Drop upstreamed patch.
* Thu May 16 2019 Pavel Zhukov - 3.0.9-2
- Run sscg as mail group for proper certs permissions
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References:
[ 1 ] Bug #1772708 - cyrus-imapd-3.0.12 is available
https://bugzilla.redhat.com/show_bug.cgi?id=1772708
[ 2 ] Bug #1775179 - CVE-2019-18928 cyrus-imapd: privilege escalation in HTTP request [fedora-all]
https://bugzilla.redhat.com/show_bug.cgi?id=1775179
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2019-393e1cef4d' 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
