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Sicherheit: Zwei Probleme in dovecot
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in dovecot
ID: FEDORA-2020-0e6a67af5a
Distribution: Fedora
Plattformen: Fedora 30
Datum: Do, 20. Februar 2020, 09:01
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7957
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7046
Applikationen: dovecot

Originalnachricht

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Fedora Update Notification
FEDORA-2020-0e6a67af5a
2020-02-20 04:45:33.328448
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Name : dovecot
Product : Fedora 30
Version : 2.3.9.3
Release : 1.fc30
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:

- dovecot updated to 2.3.9.3 - fixes CVE-2020-7046: Truncated UTF-8 can be used
to DoS submission-login and lmtp processes. - fixes CVE-2020-7957: Specially
crafted mail can crash snippet generation.
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ChangeLog:

* Wed Feb 12 2020 Michal Hlavinka <mhlavink@redhat.com> - 1:2.3.9.3-1
- dovecot updated to 2.3.9.3
- fixes CVE-2020-7046: Truncated UTF-8 can be used to DoS
submission-login and lmtp processes.
- fixes CVE-2020-7957: Specially crafted mail can crash snippet generation.
* Tue Jan 28 2020 Fedora Release Engineering <releng@fedoraproject.org> -
1:2.3.9.2-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
* Thu Dec 19 2019 Michal Hlavinka <mhlavink@redhat.com> - 1:2.3.9.2-1
- CVE-2019-19722: Mails with group addresses in From or To fields
caused crash in push notification drivers.
* Wed Dec 4 2019 Michal Hlavinka <mhlavink@redhat.com> - 1:2.3.9-1
- dovecot updated to 2.3.9, pigeonhole updated to 0.5.9
* Thu Oct 10 2019 Michal Hlavinka <mhlavink@redhat.com> - 1:2.3.8-1
- dovecot updated to 2.3.8, pigeonhole 0.5.8
* Thu Aug 29 2019 Michal Hlavinka <mhlavink@redhat.com> - 1:2.3.7.2-1
- dovecot updated to 2.3.7.2, pigeonhole 0.5.7.2
- fixes CVE-2019-11500: IMAP protocol parser does not properly handle NUL byte
when scanning data in quoted strings, leading to out of bounds heap
memory writes
* Mon Aug 19 2019 Michal Hlavinka <mhlavink@redhat.com> - 1:1-2.3.7.1
- dovecot updated to 2.3.7.1, pigeonhole updated to 0.5.7.1
* Wed Jul 24 2019 Fedora Release Engineering <releng@fedoraproject.org> -
1:2.3.6-4
- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Fri May 31 2019 Michal Hlavinka <mhlavink@redhat.com> - 1:2.3.6-3
- disable gcc 9 stack reuse temporarily
* Mon May 13 2019 Michal Hlavinka <mhlavink@redhat.com> - 1:2.3.6-2
- use /run instead of /var/run (#1706372)
* Thu May 2 2019 Michal Hlavinka <mhlavink@redhat.com> - 1:2.3.6-1
- dovecot updated to 2.3.6, pigeonhole updated to 0.5.6
* Thu Apr 18 2019 Michal Hlavinka <mhlavink@redhat.com> - 1:2.3.5.2-1
- dovecot updated to 2.3.5.2
- fixes CVE-2019-10691: Trying to login with 8bit username containing
invalid UTF8 input causes auth process to crash if auth policy is enabled.
* Thu Mar 28 2019 Michal Hlavinka <mhlavink@redhat.com> - 1:2.3.5.1-1
- dovecot updated to 2.3.5.1
- CVE-2019-7524: Missing input buffer size validation leads into
arbitrary buffer overflow when reading fts or pop3 uidl header
from Dovecot index.
* Wed Mar 6 2019 Michal Hlavinka <mhlavink@redhat.com> - 1:2.3.5-1
- dovecot updated to 2.3.5, pigeonhole updated to 0.5.5
* Thu Jan 31 2019 Fedora Release Engineering <releng@fedoraproject.org> -
1:2.3.4-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-0e6a67af5a' 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
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