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Red Hat Security Advisory
Synopsis: Moderate: dovecot security and bug fix update
Advisory ID: RHSA-2020:1062-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1062
Issue date: 2020-03-31
CVE Names: CVE-2019-3814 CVE-2019-7524
=====================================================================
1. Summary:
An update for dovecot is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Server (v. 7) – ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) – ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) – x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) – x86_64
3. Description:
Dovecot is an IMAP server for Linux and other UNIX-like systems, written
primarily with security in mind. It also contains a small POP3 server, and
supports e-mail in either the maildir or mbox format. The SQL drivers and
authentication plug-ins are provided as subpackages.
Security Fix(es):
* dovecot: Improper certificate validation (CVE-2019-3814)
* dovecot: Buffer overflow in indexer-worker process results in privilege
escalation (CVE-2019-7524)
For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.8 Release Notes linked from the References section.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1570283 – Dovecot should use portrelease to avoid port conflicts with NFSv4 mounts
1673415 – CVE-2019-3814 dovecot: Improper certificate validation
1696152 – CVE-2019-7524 dovecot: Buffer overflow in indexer-worker process results in privilege escalation
6. Package List:
Red Hat Enterprise Linux Server (v. 7):
Source:
dovecot-2.2.36-6.el7.src.rpm
ppc64:
dovecot-2.2.36-6.el7.ppc.rpm
dovecot-2.2.36-6.el7.ppc64.rpm
dovecot-debuginfo-2.2.36-6.el7.ppc.rpm
dovecot-debuginfo-2.2.36-6.el7.ppc64.rpm
dovecot-mysql-2.2.36-6.el7.ppc64.rpm
dovecot-pgsql-2.2.36-6.el7.ppc64.rpm
dovecot-pigeonhole-2.2.36-6.el7.ppc64.rpm
ppc64le:
dovecot-2.2.36-6.el7.ppc64le.rpm
dovecot-debuginfo-2.2.36-6.el7.ppc64le.rpm
dovecot-mysql-2.2.36-6.el7.ppc64le.rpm
dovecot-pgsql-2.2.36-6.el7.ppc64le.rpm
dovecot-pigeonhole-2.2.36-6.el7.ppc64le.rpm
s390x:
dovecot-2.2.36-6.el7.s390.rpm
dovecot-2.2.36-6.el7.s390x.rpm
dovecot-debuginfo-2.2.36-6.el7.s390.rpm
dovecot-debuginfo-2.2.36-6.el7.s390x.rpm
dovecot-mysql-2.2.36-6.el7.s390x.rpm
dovecot-pgsql-2.2.36-6.el7.s390x.rpm
dovecot-pigeonhole-2.2.36-6.el7.s390x.rpm
x86_64:
dovecot-2.2.36-6.el7.i686.rpm
dovecot-2.2.36-6.el7.x86_64.rpm
dovecot-debuginfo-2.2.36-6.el7.i686.rpm
dovecot-debuginfo-2.2.36-6.el7.x86_64.rpm
dovecot-mysql-2.2.36-6.el7.x86_64.rpm
dovecot-pgsql-2.2.36-6.el7.x86_64.rpm
dovecot-pigeonhole-2.2.36-6.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
dovecot-debuginfo-2.2.36-6.el7.ppc64.rpm
dovecot-devel-2.2.36-6.el7.ppc64.rpm
ppc64le:
dovecot-debuginfo-2.2.36-6.el7.ppc64le.rpm
dovecot-devel-2.2.36-6.el7.ppc64le.rpm
s390x:
dovecot-debuginfo-2.2.36-6.el7.s390x.rpm
dovecot-devel-2.2.36-6.el7.s390x.rpm
x86_64:
dovecot-debuginfo-2.2.36-6.el7.x86_64.rpm
dovecot-devel-2.2.36-6.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
dovecot-2.2.36-6.el7.src.rpm
x86_64:
dovecot-2.2.36-6.el7.i686.rpm
dovecot-2.2.36-6.el7.x86_64.rpm
dovecot-debuginfo-2.2.36-6.el7.i686.rpm
dovecot-debuginfo-2.2.36-6.el7.x86_64.rpm
dovecot-mysql-2.2.36-6.el7.x86_64.rpm
dovecot-pgsql-2.2.36-6.el7.x86_64.rpm
dovecot-pigeonhole-2.2.36-6.el7.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
dovecot-debuginfo-2.2.36-6.el7.x86_64.rpm
dovecot-devel-2.2.36-6.el7.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2019-3814
https://access.redhat.com/security/cve/CVE-2019-7524
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.8_release_notes/index
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
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