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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.3577 dovecot security update 23 September 2019 =========================================================================== 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: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-11500 Reference: ESB-2019.3550 ESB-2019.3261 Original Bulletin: https://access.redhat.com/errata/RHSA-2019:2836 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: dovecot security update Advisory ID: RHSA-2019:2836-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:2836 Issue date: 2019-09-20 CVE Names: CVE-2019-11500 ===================================================================== 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: improper NULL byte handling in IMAP and ManageSieve protocol parsers leads to out of bounds writes (CVE-2019-11500) 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/): 1741141 - CVE-2019-11500 dovecot: improper NULL byte handling in IMAP and ManageSieve protocol parsers leads to out of bounds writes 6. Package List: Red Hat Enterprise Linux Server (v. 7): Source: dovecot-2.2.36-3.el7_7.1.src.rpm ppc64: dovecot-2.2.36-3.el7_7.1.ppc.rpm dovecot-2.2.36-3.el7_7.1.ppc64.rpm dovecot-debuginfo-2.2.36-3.el7_7.1.ppc.rpm dovecot-debuginfo-2.2.36-3.el7_7.1.ppc64.rpm dovecot-mysql-2.2.36-3.el7_7.1.ppc64.rpm dovecot-pgsql-2.2.36-3.el7_7.1.ppc64.rpm dovecot-pigeonhole-2.2.36-3.el7_7.1.ppc64.rpm ppc64le: dovecot-2.2.36-3.el7_7.1.ppc64le.rpm dovecot-debuginfo-2.2.36-3.el7_7.1.ppc64le.rpm dovecot-mysql-2.2.36-3.el7_7.1.ppc64le.rpm dovecot-pgsql-2.2.36-3.el7_7.1.ppc64le.rpm dovecot-pigeonhole-2.2.36-3.el7_7.1.ppc64le.rpm s390x: dovecot-2.2.36-3.el7_7.1.s390.rpm dovecot-2.2.36-3.el7_7.1.s390x.rpm dovecot-debuginfo-2.2.36-3.el7_7.1.s390.rpm dovecot-debuginfo-2.2.36-3.el7_7.1.s390x.rpm dovecot-mysql-2.2.36-3.el7_7.1.s390x.rpm dovecot-pgsql-2.2.36-3.el7_7.1.s390x.rpm dovecot-pigeonhole-2.2.36-3.el7_7.1.s390x.rpm x86_64: dovecot-2.2.36-3.el7_7.1.i686.rpm dovecot-2.2.36-3.el7_7.1.x86_64.rpm dovecot-debuginfo-2.2.36-3.el7_7.1.i686.rpm dovecot-debuginfo-2.2.36-3.el7_7.1.x86_64.rpm dovecot-mysql-2.2.36-3.el7_7.1.x86_64.rpm dovecot-pgsql-2.2.36-3.el7_7.1.x86_64.rpm dovecot-pigeonhole-2.2.36-3.el7_7.1.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 7): ppc64: dovecot-debuginfo-2.2.36-3.el7_7.1.ppc64.rpm dovecot-devel-2.2.36-3.el7_7.1.ppc64.rpm ppc64le: dovecot-debuginfo-2.2.36-3.el7_7.1.ppc64le.rpm dovecot-devel-2.2.36-3.el7_7.1.ppc64le.rpm s390x: dovecot-debuginfo-2.2.36-3.el7_7.1.s390x.rpm dovecot-devel-2.2.36-3.el7_7.1.s390x.rpm x86_64: dovecot-debuginfo-2.2.36-3.el7_7.1.x86_64.rpm dovecot-devel-2.2.36-3.el7_7.1.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 7): Source: dovecot-2.2.36-3.el7_7.1.src.rpm x86_64: dovecot-2.2.36-3.el7_7.1.i686.rpm dovecot-2.2.36-3.el7_7.1.x86_64.rpm dovecot-debuginfo-2.2.36-3.el7_7.1.i686.rpm dovecot-debuginfo-2.2.36-3.el7_7.1.x86_64.rpm dovecot-mysql-2.2.36-3.el7_7.1.x86_64.rpm dovecot-pgsql-2.2.36-3.el7_7.1.x86_64.rpm dovecot-pigeonhole-2.2.36-3.el7_7.1.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 7): x86_64: dovecot-debuginfo-2.2.36-3.el7_7.1.x86_64.rpm dovecot-devel-2.2.36-3.el7_7.1.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-2019-11500 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 2019 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXYSa9NzjgjWX9erEAQiVCg//TK9SmBk9YybMHxD5Wevq9lRKh95j+U5y WJnqaM2T1sls6fk+Sv18b1jv92zaxyTjlBNJ9CJfDEUpz92h8rEcCO33a6f+76PE c9U4dXi9XT55u2bwVtRegOYMcd8PUkWKrzKsNjwGA7y9+Jew4qBk8HgL38/YVyTW v8n9mGNfWFymPHwIUZqrPBAh4i1nbIUzzSxKj4kiM3fNAqP5V7koRfomgKrDSYzP DxtDZrvclW2SDg/S8M8IFLfRnaed5Ohzch4em5cyGK9Ahod9nRDJTQ97j2aF44BV cbFZwosIBqbQCqYL6e74+o6ZCDDooMNIDnuiL8BNZ2tUS4P2fTzug4o9s89qYEbr Nzw+3GPlqB3s0/ZxGSCepyrNxeM0ZQnCENByZX5IF2JAQ23UOiRfAkeAm9P9SeWi oHxyNL1za8yxfdqN62ZVCmmj2U37tYyt2DACJRYUh+4ns5YDPiermF+QAadLMMNx tZt6IBTuYe/PUcOfTGjNkNVGnGOeB0N8LcJu/psdLemlAXyHMV7dLM0stIVh4hq6 ynU90AxGh7sENI3oyt70Rh9opxrki14FNDoqeW1TDdRCQqeV9sFof/KJ0b0iCCoX +qOXeAvazp7dPKWKD6z1O4NmefE+8zUmPxc6wBUmOryLBaPnwt43KAIM4hIAjMMw h659XSU0NKc= =la7z - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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