Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2020.1124
dovecot security and bug fix update
1 April 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: dovecot
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux WS/Desktop 7
Impact/Access: Root Compromise -- Existing Account
Provide Misleading Information -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-7524 CVE-2019-3814
Reference: ESB-2019.4134
ESB-2019.1187
ESB-2019.1157
ESB-2019.0393
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:1062
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
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.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=yl3B
- -----END PGP SIGNATURE-----
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=CBNA
-----END PGP SIGNATURE-----