-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: dovecot security update Advisory ID: RHSA-2020:4763-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:4763 Issue date: 2020-11-03 CVE Names: CVE-2020-10958 CVE-2020-10967 ==================================================================== 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: command followed by sufficient number of newlines leads to use-after-free (CVE-2020-10958) * dovecot: sending mail with empty quoted localpart leads to DoS (CVE-2020-10967) 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 8.3 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/): 1834323 - CVE-2020-10958 dovecot: command followed by sufficient number of newlines leads to use-after-free 1834326 - CVE-2020-10967 dovecot: sending mail with empty quoted localpart leads to DoS 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: dovecot-2.3.8-4.el8.src.rpm aarch64: dovecot-2.3.8-4.el8.aarch64.rpm dovecot-debuginfo-2.3.8-4.el8.aarch64.rpm dovecot-debugsource-2.3.8-4.el8.aarch64.rpm dovecot-mysql-2.3.8-4.el8.aarch64.rpm dovecot-mysql-debuginfo-2.3.8-4.el8.aarch64.rpm dovecot-pgsql-2.3.8-4.el8.aarch64.rpm dovecot-pgsql-debuginfo-2.3.8-4.el8.aarch64.rpm dovecot-pigeonhole-2.3.8-4.el8.aarch64.rpm dovecot-pigeonhole-debuginfo-2.3.8-4.el8.aarch64.rpm ppc64le: dovecot-2.3.8-4.el8.ppc64le.rpm dovecot-debuginfo-2.3.8-4.el8.ppc64le.rpm dovecot-debugsource-2.3.8-4.el8.ppc64le.rpm dovecot-mysql-2.3.8-4.el8.ppc64le.rpm dovecot-mysql-debuginfo-2.3.8-4.el8.ppc64le.rpm dovecot-pgsql-2.3.8-4.el8.ppc64le.rpm dovecot-pgsql-debuginfo-2.3.8-4.el8.ppc64le.rpm dovecot-pigeonhole-2.3.8-4.el8.ppc64le.rpm dovecot-pigeonhole-debuginfo-2.3.8-4.el8.ppc64le.rpm s390x: dovecot-2.3.8-4.el8.s390x.rpm dovecot-debuginfo-2.3.8-4.el8.s390x.rpm dovecot-debugsource-2.3.8-4.el8.s390x.rpm dovecot-mysql-2.3.8-4.el8.s390x.rpm dovecot-mysql-debuginfo-2.3.8-4.el8.s390x.rpm dovecot-pgsql-2.3.8-4.el8.s390x.rpm dovecot-pgsql-debuginfo-2.3.8-4.el8.s390x.rpm dovecot-pigeonhole-2.3.8-4.el8.s390x.rpm dovecot-pigeonhole-debuginfo-2.3.8-4.el8.s390x.rpm x86_64: dovecot-2.3.8-4.el8.x86_64.rpm dovecot-debuginfo-2.3.8-4.el8.x86_64.rpm dovecot-debugsource-2.3.8-4.el8.x86_64.rpm dovecot-mysql-2.3.8-4.el8.x86_64.rpm dovecot-mysql-debuginfo-2.3.8-4.el8.x86_64.rpm dovecot-pgsql-2.3.8-4.el8.x86_64.rpm dovecot-pgsql-debuginfo-2.3.8-4.el8.x86_64.rpm dovecot-pigeonhole-2.3.8-4.el8.x86_64.rpm dovecot-pigeonhole-debuginfo-2.3.8-4.el8.x86_64.rpm Red Hat CodeReady Linux Builder (v. 8): aarch64: dovecot-debuginfo-2.3.8-4.el8.aarch64.rpm dovecot-debugsource-2.3.8-4.el8.aarch64.rpm dovecot-devel-2.3.8-4.el8.aarch64.rpm dovecot-mysql-debuginfo-2.3.8-4.el8.aarch64.rpm dovecot-pgsql-debuginfo-2.3.8-4.el8.aarch64.rpm dovecot-pigeonhole-debuginfo-2.3.8-4.el8.aarch64.rpm ppc64le: dovecot-debuginfo-2.3.8-4.el8.ppc64le.rpm dovecot-debugsource-2.3.8-4.el8.ppc64le.rpm dovecot-devel-2.3.8-4.el8.ppc64le.rpm dovecot-mysql-debuginfo-2.3.8-4.el8.ppc64le.rpm dovecot-pgsql-debuginfo-2.3.8-4.el8.ppc64le.rpm dovecot-pigeonhole-debuginfo-2.3.8-4.el8.ppc64le.rpm s390x: dovecot-debuginfo-2.3.8-4.el8.s390x.rpm dovecot-debugsource-2.3.8-4.el8.s390x.rpm dovecot-devel-2.3.8-4.el8.s390x.rpm dovecot-mysql-debuginfo-2.3.8-4.el8.s390x.rpm dovecot-pgsql-debuginfo-2.3.8-4.el8.s390x.rpm dovecot-pigeonhole-debuginfo-2.3.8-4.el8.s390x.rpm x86_64: dovecot-2.3.8-4.el8.i686.rpm dovecot-debuginfo-2.3.8-4.el8.i686.rpm dovecot-debuginfo-2.3.8-4.el8.x86_64.rpm dovecot-debugsource-2.3.8-4.el8.i686.rpm dovecot-debugsource-2.3.8-4.el8.x86_64.rpm dovecot-devel-2.3.8-4.el8.i686.rpm dovecot-devel-2.3.8-4.el8.x86_64.rpm dovecot-mysql-debuginfo-2.3.8-4.el8.i686.rpm dovecot-mysql-debuginfo-2.3.8-4.el8.x86_64.rpm dovecot-pgsql-debuginfo-2.3.8-4.el8.i686.rpm dovecot-pgsql-debuginfo-2.3.8-4.el8.x86_64.rpm dovecot-pigeonhole-debuginfo-2.3.8-4.el8.i686.rpm dovecot-pigeonhole-debuginfo-2.3.8-4.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-2020-10958 https://access.redhat.com/security/cve/CVE-2020-10967 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/ 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBX6IzJdzjgjWX9erEAQiiQRAAg06Ih/fEYu3eCB58OTz4d4zVDNfrIFs6 PSpVN6V9Q4lcNdiSj6GUEtykzHh4vLAJeuJ+FDnzkIF0p/xunmBRl/bwccov5C+L SYrrhNx0Bkruxji+Ur+MysAzD5upqZFOXbUBVWXQjRcoCuNagM056xd7FPnJEfOE V2XJjiPxj+4Xz13+/rcq2+Imxy/efBHdPshXx1hibKUZlPla/JNG/AaVYP4obFCH akv4VakYHR5Mpl4ek6c+OiG/kQh7jn2Z3XfadADLRuCrDGijGI4FYX6U/Unn81CF tK++YhMCLc/h5BrQVa2fKijIqYj+kDB9Kd6rKZ9/jqIWoS3AH6Ts3UAddxCLW95b JfDZqo4pFetaHHSGQ/3vS3QeS99BehLfQZ+mGdfQnNtTh/E6dGktpHXYRr0IVx8N diP9/CuWyOEnDAJnbjUGuIRRqsYIlwrIDb9WGW9yFt9nknMmw9nolNoKBRv1XvcS lxWfPFHjwvuJiUwA0s7/W2SIya6gfhOD4hTbLP5C7WiT094dJcISAxSa3tHYPrvR XvCr3IJdF7G+PPCfPjytS8oJSctQbe5SDm72hJA6opqyfUO11T+sxF0VPq58MqRE YWWHOUib9cd2J8PxAlHqoqaD7Pm0UdFs4jdW4Hm0mAt6u0PDwtN24at4BTXgt7Yf zvaLTHyQiL8=rT2d -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce