Fedora 30: FEDORA-2019-3844281be1 Moderate: Dovecot IMAP Buffer Overflow

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.

* 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

* Thu Aug 29 2019 Michal Hlavinka - 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 - 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 - 1:2.3.6-4

- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild

* Fri May 31 2019 Michal Hlavinka - 1:2.3.6-3

- disable gcc 9 stack reuse temporarily

* Mon May 13 2019 Michal Hlavinka - 1:2.3.6-2

- use /run instead of /var/run (#1706372)

* Thu May 2 2019 Michal Hlavinka - 1:2.3.6-1

- dovecot updated to 2.3.6, pigeonhole updated to 0.5.6

* Thu Apr 18 2019 Michal Hlavinka - 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 - 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 - 1:2.3.5-1

- dovecot updated to 2.3.5, pigeonhole updated to 0.5.5

* Thu Jan 31 2019 Fedora Release Engineering - 1:2.3.4-3

- Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild

[ 1 ] Bug #1742010 - dovecot-2.3.7.1 is available

https://bugzilla.redhat.com/show_bug.cgi?id=1742010

[ 2 ] Bug #1746666 - CVE-2019-11500 dovecot: improper NULL byte handling in IMAP and ManageSieve protocol parsers leads to out of bounds writes [fedora-all]

https://bugzilla.redhat.com/show_bug.cgi?id=1746666

su -c 'dnf upgrade --advisory FEDORA-2019-3844281be1' at the command

line. For more information, refer to the dnf documentation available at

https://dnf.readthedocs.io/en/latest/command_ref.html

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/security/

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