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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.3869 cyrus-imapd security update 6 November 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: cyrus-imapd Publisher: Red Hat Operating System: Red Hat Impact/Access: Increased Privileges -- Remote/Unauthenticated Execute Arbitrary Code/Commands -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-19783 CVE-2019-18928 Reference: ESB-2020.3440 ESB-2019.4746 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:4655 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: cyrus-imapd security update Advisory ID: RHSA-2020:4655-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:4655 Issue date: 2020-11-03 CVE Names: CVE-2019-18928 CVE-2019-19783 ===================================================================== 1. Summary: An update for cyrus-imapd 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 Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64 3. Description: The cyrus-imapd packages contain a high-performance mail server with IMAP, POP3, NNTP, and SIEVE support. Security Fix(es): * cyrus-imapd: privilege escalation in HTTP request (CVE-2019-18928) * cyrus-imapd: lmtpd component created mailboxes with administrator privileges if the "fileinto" was used, bypassing ACL checks (CVE-2019-19783) 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/): 1671239 - Changelog was removed, reverting the commit is required 1710722 - cyrus-imapd-key.pem has wrong permissions 1775177 - CVE-2019-18928 cyrus-imapd: privilege escalation in HTTP request 1786756 - CVE-2019-19783 cyrus-imapd: lmtpd component created mailboxes with administrator privileges if the "fileinto" was used, bypassing ACL checks 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: cyrus-imapd-3.0.7-19.el8.src.rpm aarch64: cyrus-imapd-3.0.7-19.el8.aarch64.rpm cyrus-imapd-debuginfo-3.0.7-19.el8.aarch64.rpm cyrus-imapd-debugsource-3.0.7-19.el8.aarch64.rpm cyrus-imapd-utils-3.0.7-19.el8.aarch64.rpm cyrus-imapd-utils-debuginfo-3.0.7-19.el8.aarch64.rpm cyrus-imapd-vzic-3.0.7-19.el8.aarch64.rpm cyrus-imapd-vzic-debuginfo-3.0.7-19.el8.aarch64.rpm ppc64le: cyrus-imapd-3.0.7-19.el8.ppc64le.rpm cyrus-imapd-debuginfo-3.0.7-19.el8.ppc64le.rpm cyrus-imapd-debugsource-3.0.7-19.el8.ppc64le.rpm cyrus-imapd-utils-3.0.7-19.el8.ppc64le.rpm cyrus-imapd-utils-debuginfo-3.0.7-19.el8.ppc64le.rpm cyrus-imapd-vzic-3.0.7-19.el8.ppc64le.rpm cyrus-imapd-vzic-debuginfo-3.0.7-19.el8.ppc64le.rpm s390x: cyrus-imapd-3.0.7-19.el8.s390x.rpm cyrus-imapd-debuginfo-3.0.7-19.el8.s390x.rpm cyrus-imapd-debugsource-3.0.7-19.el8.s390x.rpm cyrus-imapd-utils-3.0.7-19.el8.s390x.rpm cyrus-imapd-utils-debuginfo-3.0.7-19.el8.s390x.rpm cyrus-imapd-vzic-3.0.7-19.el8.s390x.rpm cyrus-imapd-vzic-debuginfo-3.0.7-19.el8.s390x.rpm x86_64: cyrus-imapd-3.0.7-19.el8.i686.rpm cyrus-imapd-3.0.7-19.el8.x86_64.rpm cyrus-imapd-debuginfo-3.0.7-19.el8.i686.rpm cyrus-imapd-debuginfo-3.0.7-19.el8.x86_64.rpm cyrus-imapd-debugsource-3.0.7-19.el8.i686.rpm cyrus-imapd-debugsource-3.0.7-19.el8.x86_64.rpm cyrus-imapd-utils-3.0.7-19.el8.x86_64.rpm cyrus-imapd-utils-debuginfo-3.0.7-19.el8.i686.rpm cyrus-imapd-utils-debuginfo-3.0.7-19.el8.x86_64.rpm cyrus-imapd-vzic-3.0.7-19.el8.x86_64.rpm cyrus-imapd-vzic-debuginfo-3.0.7-19.el8.i686.rpm cyrus-imapd-vzic-debuginfo-3.0.7-19.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-2019-18928 https://access.redhat.com/security/cve/CVE-2019-19783 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 <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 iQIVAwUBX6IyadzjgjWX9erEAQhE8w/+KZvPWWQOT+Xgpc1rOMicxGGAmwX6Vf+B 8fq4M+5vrMrFCwRNJTHbiJiYRm+lxv9umf8CW+tiVpj4X0LOSeAwSPfdNLFrx2/i Sbpe0vJBUcJF7chX4DIUPQLa8S/14prHJVAc+fIt/q921jDaUSy8fYem02k2Pyjd JKFBgQgaSqCzpwIH0RH/czpxo7u58vVnL+oaVfhFwDVwe+gYpf196sgt5sQKuSJz 8a/fjBIHTWcDr3cPOWnPEVyvbMgFV057xt2ubsaGcQvKtEICdo8IkfVNycunfde0 1FcfnNCtZoI2lPUQmQj57yefP+V/cEoqabRXr59mJGq7i3u6IBdX2ysXew1qzVD3 53D1X0RuCZpL/EXFvpft8tk+kcE6DTVpVYb2fENeJQx58RPH9zjjWgXeSgjrrIND 7fn+ry/7N7S/ycqHyifOQilIUGyBKptQsP34QUSqUer+N0FvIOhmveO3bFZg/NFC yEoQlekDm4Y75ORzCltOHx1d686uV6N/hTjHN2oVCGPvB0shaA0RkLDvqFdiySVT p9LElnuGE32kJ/YBNfjKbAbaaYfmj6yTubod5IeKRdZ6UgFoA1NP2uE+NvZajc6O FSVpnVizfFSmSgqvRK4S78Plp+6T6R2ySyMQo9jbW7jDzFuXEKcVFda34Br2lpqN LdZr3m5mcmM= =0Yx+ - -----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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