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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.3032 dovecot security update 4 September 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: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2020-12674 CVE-2020-12673 CVE-2020-12100 Reference: ESB-2020.2870 ESB-2020.2845 ESB-2020.2821 ESB-2020.2808 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:3617 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: dovecot security update Advisory ID: RHSA-2020:3617-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:3617 Issue date: 2020-09-03 CVE Names: CVE-2020-12100 CVE-2020-12673 CVE-2020-12674 ===================================================================== 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 Important. 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: Resource exhaustion via deeply nested MIME parts (CVE-2020-12100) * dovecot: Out of bound reads in dovecot NTLM implementation (CVE-2020-12673) * dovecot: Crash due to assert in RPA implementation (CVE-2020-12674) 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. 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/): 1866309 - CVE-2020-12100 dovecot: Resource exhaustion via deeply nested MIME parts 1866313 - CVE-2020-12673 dovecot: Out of bound reads in dovecot NTLM implementation 1866317 - CVE-2020-12674 dovecot: Crash due to assert in RPA implementation 6. Package List: Red Hat Enterprise Linux Server (v. 7): Source: dovecot-2.2.36-6.el7_8.1.src.rpm ppc64: dovecot-2.2.36-6.el7_8.1.ppc.rpm dovecot-2.2.36-6.el7_8.1.ppc64.rpm dovecot-debuginfo-2.2.36-6.el7_8.1.ppc.rpm dovecot-debuginfo-2.2.36-6.el7_8.1.ppc64.rpm dovecot-mysql-2.2.36-6.el7_8.1.ppc64.rpm dovecot-pgsql-2.2.36-6.el7_8.1.ppc64.rpm dovecot-pigeonhole-2.2.36-6.el7_8.1.ppc64.rpm ppc64le: dovecot-2.2.36-6.el7_8.1.ppc64le.rpm dovecot-debuginfo-2.2.36-6.el7_8.1.ppc64le.rpm dovecot-mysql-2.2.36-6.el7_8.1.ppc64le.rpm dovecot-pgsql-2.2.36-6.el7_8.1.ppc64le.rpm dovecot-pigeonhole-2.2.36-6.el7_8.1.ppc64le.rpm s390x: dovecot-2.2.36-6.el7_8.1.s390.rpm dovecot-2.2.36-6.el7_8.1.s390x.rpm dovecot-debuginfo-2.2.36-6.el7_8.1.s390.rpm dovecot-debuginfo-2.2.36-6.el7_8.1.s390x.rpm dovecot-mysql-2.2.36-6.el7_8.1.s390x.rpm dovecot-pgsql-2.2.36-6.el7_8.1.s390x.rpm dovecot-pigeonhole-2.2.36-6.el7_8.1.s390x.rpm x86_64: dovecot-2.2.36-6.el7_8.1.i686.rpm dovecot-2.2.36-6.el7_8.1.x86_64.rpm dovecot-debuginfo-2.2.36-6.el7_8.1.i686.rpm dovecot-debuginfo-2.2.36-6.el7_8.1.x86_64.rpm dovecot-mysql-2.2.36-6.el7_8.1.x86_64.rpm dovecot-pgsql-2.2.36-6.el7_8.1.x86_64.rpm dovecot-pigeonhole-2.2.36-6.el7_8.1.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: dovecot-debuginfo-2.2.36-6.el7_8.1.ppc64.rpm dovecot-devel-2.2.36-6.el7_8.1.ppc64.rpm ppc64le: dovecot-debuginfo-2.2.36-6.el7_8.1.ppc64le.rpm dovecot-devel-2.2.36-6.el7_8.1.ppc64le.rpm s390x: dovecot-debuginfo-2.2.36-6.el7_8.1.s390x.rpm dovecot-devel-2.2.36-6.el7_8.1.s390x.rpm x86_64: dovecot-debuginfo-2.2.36-6.el7_8.1.x86_64.rpm dovecot-devel-2.2.36-6.el7_8.1.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: dovecot-2.2.36-6.el7_8.1.src.rpm x86_64: dovecot-2.2.36-6.el7_8.1.i686.rpm dovecot-2.2.36-6.el7_8.1.x86_64.rpm dovecot-debuginfo-2.2.36-6.el7_8.1.i686.rpm dovecot-debuginfo-2.2.36-6.el7_8.1.x86_64.rpm dovecot-mysql-2.2.36-6.el7_8.1.x86_64.rpm dovecot-pgsql-2.2.36-6.el7_8.1.x86_64.rpm dovecot-pigeonhole-2.2.36-6.el7_8.1.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: dovecot-debuginfo-2.2.36-6.el7_8.1.x86_64.rpm dovecot-devel-2.2.36-6.el7_8.1.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-2020-12100 https://access.redhat.com/security/cve/CVE-2020-12673 https://access.redhat.com/security/cve/CVE-2020-12674 https://access.redhat.com/security/updates/classification/#important 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 iQIVAwUBX1DG5tzjgjWX9erEAQhXyA/6AhdgsQTUyfY8SW4VLYsi23zUlplpjkn5 oUWcZaGFEFRT3hLHAVtuu2CL/9Nt4s1ViKQyKRpUgvnjOyIJyiqyQedJctmIAFwN e5yteVZAbOvpSKbCmmP4BI0ttq7gsMMJK5B+BG/D7vNXmZsmHqMDL8Fnaknr62xd 4l5V8Bo2zxLlbZZWMGxu208elNwFBNM6OL1kzabzZVoULyZ6cU4cJ2w0C9uD0zlt 7Ew+yQt1/75nwdjfL0JTl6tIudscBqoFecAl1Q3+hZsHXi13vOIQqiOkXcs7aPGa cM0EFo93PxqKEkC/66szDnpn8s9v4EYZMVf1QVzD1kGPcNQhsjxWrbNYvLZhUX/N iLqqowyiUImEwsICEA1LotlSP8FaCKSbpphAXmhYu+VTXK93KeGbCTwSZRBJwdUA PvYmNmmvjKx4bLhH/hV0l3Kxs0ZxFzdV5veo2X7pKjwcB9rGhHtseitbAeULIAs+ s0ThD1YUAeugMdUH72gWsxgrsVGrwE7NtMb0IjjJiRlVIGNtHP9c8JNTLfjaFg4e S4cgt+CgK4g20iUu7LRTJfKWHgRmnkhlCkf8EUB/3m+KY5WfcbkR9gcaNawuZrao /DHMAhO7Y6XUIMypIKewHVKMSfP3K3ltK0BT9N1xwCZYyLgZKDCke8fi4Hr6c0J3 OrFx5f3fWCc= =GYif - -----END PGP SIGNATURE----- - -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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