-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: dovecot security and bug fix update Advisory ID: RHSA-2021:1887-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:1887 Issue date: 2021-05-18 CVE Names: CVE-2020-24386 CVE-2020-25275 ==================================================================== 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 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 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: IMAP hibernation function allows mail access (CVE-2020-24386) * dovecot: Denial of service via mail MIME parsing (CVE-2020-25275) 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 8.4 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/): 1805947 - Creating tmp files for systemd on behalf of dovecot references legacy directory /var/run/ instead of /run 1888111 - imap crashes in assertion "(ctx->nested_parts_count > 0)" regularly 1894418 - imap crashes in libdovecot-storage with assert "(block_count == 0 || block_idx+1 == block_count)" 1912455 - CVE-2020-24386 dovecot: IMAP hibernation function allows mail access 1912460 - CVE-2020-25275 dovecot: Denial of service via mail MIME parsing 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: dovecot-2.3.8-9.el8.src.rpm aarch64: dovecot-2.3.8-9.el8.aarch64.rpm dovecot-debuginfo-2.3.8-9.el8.aarch64.rpm dovecot-debugsource-2.3.8-9.el8.aarch64.rpm dovecot-mysql-2.3.8-9.el8.aarch64.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.aarch64.rpm dovecot-pgsql-2.3.8-9.el8.aarch64.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.aarch64.rpm dovecot-pigeonhole-2.3.8-9.el8.aarch64.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.aarch64.rpm ppc64le: dovecot-2.3.8-9.el8.ppc64le.rpm dovecot-debuginfo-2.3.8-9.el8.ppc64le.rpm dovecot-debugsource-2.3.8-9.el8.ppc64le.rpm dovecot-mysql-2.3.8-9.el8.ppc64le.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.ppc64le.rpm dovecot-pgsql-2.3.8-9.el8.ppc64le.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.ppc64le.rpm dovecot-pigeonhole-2.3.8-9.el8.ppc64le.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.ppc64le.rpm s390x: dovecot-2.3.8-9.el8.s390x.rpm dovecot-debuginfo-2.3.8-9.el8.s390x.rpm dovecot-debugsource-2.3.8-9.el8.s390x.rpm dovecot-mysql-2.3.8-9.el8.s390x.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.s390x.rpm dovecot-pgsql-2.3.8-9.el8.s390x.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.s390x.rpm dovecot-pigeonhole-2.3.8-9.el8.s390x.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.s390x.rpm x86_64: dovecot-2.3.8-9.el8.x86_64.rpm dovecot-debuginfo-2.3.8-9.el8.x86_64.rpm dovecot-debugsource-2.3.8-9.el8.x86_64.rpm dovecot-mysql-2.3.8-9.el8.x86_64.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.x86_64.rpm dovecot-pgsql-2.3.8-9.el8.x86_64.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.x86_64.rpm dovecot-pigeonhole-2.3.8-9.el8.x86_64.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.x86_64.rpm Red Hat CodeReady Linux Builder (v. 8): aarch64: dovecot-debuginfo-2.3.8-9.el8.aarch64.rpm dovecot-debugsource-2.3.8-9.el8.aarch64.rpm dovecot-devel-2.3.8-9.el8.aarch64.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.aarch64.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.aarch64.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.aarch64.rpm ppc64le: dovecot-debuginfo-2.3.8-9.el8.ppc64le.rpm dovecot-debugsource-2.3.8-9.el8.ppc64le.rpm dovecot-devel-2.3.8-9.el8.ppc64le.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.ppc64le.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.ppc64le.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.ppc64le.rpm s390x: dovecot-debuginfo-2.3.8-9.el8.s390x.rpm dovecot-debugsource-2.3.8-9.el8.s390x.rpm dovecot-devel-2.3.8-9.el8.s390x.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.s390x.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.s390x.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.s390x.rpm x86_64: dovecot-2.3.8-9.el8.i686.rpm dovecot-debuginfo-2.3.8-9.el8.i686.rpm dovecot-debuginfo-2.3.8-9.el8.x86_64.rpm dovecot-debugsource-2.3.8-9.el8.i686.rpm dovecot-debugsource-2.3.8-9.el8.x86_64.rpm dovecot-devel-2.3.8-9.el8.i686.rpm dovecot-devel-2.3.8-9.el8.x86_64.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.i686.rpm dovecot-mysql-debuginfo-2.3.8-9.el8.x86_64.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.i686.rpm dovecot-pgsql-debuginfo-2.3.8-9.el8.x86_64.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.i686.rpm dovecot-pigeonhole-debuginfo-2.3.8-9.el8.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-2020-24386 https://access.redhat.com/security/cve/CVE-2020-25275 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/ 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYKPzCtzjgjWX9erEAQjoNw/9E6tzfvbnOpx/QIg9dWQcbRNNkgZXn124 zMYB7dHRKpnSj//QNjttl7YvDvRiY/J6x7rgRtWz3E5/GCBH8SAlGJk6rGv4eQ4/ zV9onfu5O05IOggvhtWVtS5vIE7PomhdRkMwiW7fDlZJbBaVKjCKwPjA7yizqiRi wH9Gxsz+aV/ikxFkMyempWjHY9nuIb2xH9s8oXa/k4QOWWbjivG6/L9FQ8UIxTSj aAN7KxdbU0hb6n2DiAMHChgVb7zf3uguAzJRP7s0Xe6aP+h1HESXGTJvwqKl6Owr 6idkJqztIOe6z0WUt+vsw6yFyIoEQoys9kzBmCIP405JGn3yIrCKXDx9mEiueHrq rHP1QnInwDp2K+UKN8KPyYvhCg2kEo2MsOVZR8D2xitzSoYVSvCLOtMujWJzngz6 R07YmXMkzXuS72wVH4+ZawS8trJoqLAMumLzWJTkkdGGoax7+Sa+EG7c1lHu8VDe 52kCdMI54ltGudsBoq0tiadraqaU+6nzGTv5AhwEeC+ohqi6AFnYYpjc89t02Ge6 hIY1UOQkrFBRxEV9XsccZAyOdJ+eRSsQojkcSb0SOVocmmC5H/dUfHZr6l8+QVPZ oGpVWSageRS0fQ7R2t4tYXav0FzwEMRZW/NmGQYgECUXvDi0GLbX8TufaK5Zbnyb CBmIwYV/Lk4=1V4z -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce