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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.3550 Important: dovecot security update 20 September 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: dovecot Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 8 Red Hat Enterprise Linux WS/Desktop 8 Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2019-11500 Reference: ESB-2019.3290 ESB-2019.3282 ESB-2019.3269 ESB-2019.3261 Original Bulletin: https://access.redhat.com/errata/RHSA-2019:2822 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: dovecot security update Advisory ID: RHSA-2019:2822-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2019:2822 Issue date: 2019-09-20 CVE Names: CVE-2019-11500 ===================================================================== 1. Summary: An update for dovecot is now available for Red Hat Enterprise Linux 8. 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 CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, 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 AppStream (v. 8): Source: dovecot-2.2.36-5.el8_0.1.src.rpm aarch64: dovecot-2.2.36-5.el8_0.1.aarch64.rpm dovecot-debuginfo-2.2.36-5.el8_0.1.aarch64.rpm dovecot-debugsource-2.2.36-5.el8_0.1.aarch64.rpm dovecot-mysql-2.2.36-5.el8_0.1.aarch64.rpm dovecot-mysql-debuginfo-2.2.36-5.el8_0.1.aarch64.rpm dovecot-pgsql-2.2.36-5.el8_0.1.aarch64.rpm dovecot-pgsql-debuginfo-2.2.36-5.el8_0.1.aarch64.rpm dovecot-pigeonhole-debuginfo-2.2.36-5.el8_0.1.aarch64.rpm ppc64le: dovecot-2.2.36-5.el8_0.1.ppc64le.rpm dovecot-debuginfo-2.2.36-5.el8_0.1.ppc64le.rpm dovecot-debugsource-2.2.36-5.el8_0.1.ppc64le.rpm dovecot-mysql-2.2.36-5.el8_0.1.ppc64le.rpm dovecot-mysql-debuginfo-2.2.36-5.el8_0.1.ppc64le.rpm dovecot-pgsql-2.2.36-5.el8_0.1.ppc64le.rpm dovecot-pgsql-debuginfo-2.2.36-5.el8_0.1.ppc64le.rpm dovecot-pigeonhole-debuginfo-2.2.36-5.el8_0.1.ppc64le.rpm s390x: dovecot-2.2.36-5.el8_0.1.s390x.rpm dovecot-debuginfo-2.2.36-5.el8_0.1.s390x.rpm dovecot-debugsource-2.2.36-5.el8_0.1.s390x.rpm dovecot-mysql-2.2.36-5.el8_0.1.s390x.rpm dovecot-mysql-debuginfo-2.2.36-5.el8_0.1.s390x.rpm dovecot-pgsql-2.2.36-5.el8_0.1.s390x.rpm dovecot-pgsql-debuginfo-2.2.36-5.el8_0.1.s390x.rpm dovecot-pigeonhole-debuginfo-2.2.36-5.el8_0.1.s390x.rpm x86_64: dovecot-2.2.36-5.el8_0.1.x86_64.rpm dovecot-debuginfo-2.2.36-5.el8_0.1.x86_64.rpm dovecot-debugsource-2.2.36-5.el8_0.1.x86_64.rpm dovecot-mysql-2.2.36-5.el8_0.1.x86_64.rpm dovecot-mysql-debuginfo-2.2.36-5.el8_0.1.x86_64.rpm dovecot-pgsql-2.2.36-5.el8_0.1.x86_64.rpm dovecot-pgsql-debuginfo-2.2.36-5.el8_0.1.x86_64.rpm dovecot-pigeonhole-debuginfo-2.2.36-5.el8_0.1.x86_64.rpm Red Hat CodeReady Linux Builder (v. 8): aarch64: dovecot-debuginfo-2.2.36-5.el8_0.1.aarch64.rpm dovecot-debugsource-2.2.36-5.el8_0.1.aarch64.rpm dovecot-devel-2.2.36-5.el8_0.1.aarch64.rpm dovecot-mysql-debuginfo-2.2.36-5.el8_0.1.aarch64.rpm dovecot-pgsql-debuginfo-2.2.36-5.el8_0.1.aarch64.rpm dovecot-pigeonhole-debuginfo-2.2.36-5.el8_0.1.aarch64.rpm ppc64le: dovecot-debuginfo-2.2.36-5.el8_0.1.ppc64le.rpm dovecot-debugsource-2.2.36-5.el8_0.1.ppc64le.rpm dovecot-devel-2.2.36-5.el8_0.1.ppc64le.rpm dovecot-mysql-debuginfo-2.2.36-5.el8_0.1.ppc64le.rpm dovecot-pgsql-debuginfo-2.2.36-5.el8_0.1.ppc64le.rpm dovecot-pigeonhole-debuginfo-2.2.36-5.el8_0.1.ppc64le.rpm s390x: dovecot-debuginfo-2.2.36-5.el8_0.1.s390x.rpm dovecot-debugsource-2.2.36-5.el8_0.1.s390x.rpm dovecot-devel-2.2.36-5.el8_0.1.s390x.rpm dovecot-mysql-debuginfo-2.2.36-5.el8_0.1.s390x.rpm dovecot-pgsql-debuginfo-2.2.36-5.el8_0.1.s390x.rpm dovecot-pigeonhole-debuginfo-2.2.36-5.el8_0.1.s390x.rpm x86_64: dovecot-2.2.36-5.el8_0.1.i686.rpm dovecot-debuginfo-2.2.36-5.el8_0.1.i686.rpm dovecot-debuginfo-2.2.36-5.el8_0.1.x86_64.rpm dovecot-debugsource-2.2.36-5.el8_0.1.i686.rpm dovecot-debugsource-2.2.36-5.el8_0.1.x86_64.rpm dovecot-devel-2.2.36-5.el8_0.1.i686.rpm dovecot-devel-2.2.36-5.el8_0.1.x86_64.rpm dovecot-mysql-debuginfo-2.2.36-5.el8_0.1.i686.rpm dovecot-mysql-debuginfo-2.2.36-5.el8_0.1.x86_64.rpm dovecot-pgsql-debuginfo-2.2.36-5.el8_0.1.i686.rpm dovecot-pgsql-debuginfo-2.2.36-5.el8_0.1.x86_64.rpm dovecot-pigeonhole-debuginfo-2.2.36-5.el8_0.1.i686.rpm dovecot-pigeonhole-debuginfo-2.2.36-5.el8_0.1.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 iQIVAwUBXYQwxtzjgjWX9erEAQhL5g/9E81FZHFcazpmvjx1LNy5CQ2FBqGGQcPo rlhMPv2PHDdcAK1wtDwcHfjiQvtSi8+3x7Wkw4jFWhj+hb8zLOtJYS2dYSWoFITH XFXGI6Ngm2JsBkNWVPUeGjvLXQMzn/y0gs5m51IVKnauQzv5kV0qoQoZvnjLOYSC Qn4TTMluGqkDN4FcYlzOgG0XcV/txSGPcFfT4vFP0fO79zy/DwKgJujqajOoYcHb a00dBSQ3SuTUCajQCaKyqqYfWwcBF+MzkUT3TUDsnlH4OhkdQq8nUYCa/pzxdggl 31iIhQPVYPhx51gbPeYj1VMpeSL5YsvmWEEwQZIhLz33bbjQjovez5kcmfBGr2q2 2/aZHFt1pFWE1M1TQ4gHGx8OTnYdv2KUV7HoeosVJVkVm7sXh+xVs0PQq4OViow2 UoJUP8ZnwEY8rEECl57WzRFlPMI8Kq0FxG0RRiNCrt+iyryIO3wO1oWgUo/jchcq qDBe0LQ5NwkEfD9vRxxuFVtRMuqrSQi+gNbWo1aEzPXPxbSZo2kgL/dvuVseIZDj U19WfYnlI35ue3fz6I7hpI4rtjvIckvhYR0ay8jbIFyB94wy7/XKYuzTXhb0nPGT 9nB5HG31B6mQS1hLgXOGywsT4zaoT8CzpAF9uZZbvfl3Kt24u+9kvxHCO0ngG/UF yfJ7R801+vQ= =FBJD - -----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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