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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.2440 thunderbird security update 17 July 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: thunderbird Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 6 Red Hat Enterprise Linux WS/Desktop 6 Impact/Access: Denial of Service -- Remote with User Interaction Access Confidential Data -- Remote with User Interaction Reduced Security -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2020-12421 CVE-2020-12420 CVE-2020-12419 CVE-2020-12418 Reference: ESB-2020.2402 ESB-2020.2305 ESB-2020.2304 ESB-2020.2297 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:2966 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: thunderbird security update Advisory ID: RHSA-2020:2966-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2966 Issue date: 2020-07-16 CVE Names: CVE-2020-12418 CVE-2020-12419 CVE-2020-12420 CVE-2020-12421 ===================================================================== 1. Summary: An update for thunderbird is now available for Red Hat Enterprise Linux 6. 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 Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 3. Description: Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 68.10.0. Security Fix(es): * Mozilla: Information disclosure due to manipulated URL object (CVE-2020-12418) * Mozilla: Use-after-free in nsGlobalWindowInner (CVE-2020-12419) * Mozilla: Use-After-Free when trying to connect to a STUN server (CVE-2020-12420) * Mozilla: Add-On updates did not respect the same certificate trust rules as software updates (CVE-2020-12421) 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 All running instances of Thunderbird must be restarted for the update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1853015 - CVE-2020-12418 Mozilla: Information disclosure due to manipulated URL object 1853016 - CVE-2020-12419 Mozilla: Use-after-free in nsGlobalWindowInner 1853017 - CVE-2020-12420 Mozilla: Use-After-Free when trying to connect to a STUN server 1853018 - CVE-2020-12421 Mozilla: Add-On updates did not respect the same certificate trust rules as software updates 6. Package List: Red Hat Enterprise Linux Desktop (v. 6): Source: thunderbird-68.10.0-1.el6_10.src.rpm i386: thunderbird-68.10.0-1.el6_10.i686.rpm thunderbird-debuginfo-68.10.0-1.el6_10.i686.rpm x86_64: thunderbird-68.10.0-1.el6_10.x86_64.rpm thunderbird-debuginfo-68.10.0-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6): Source: thunderbird-68.10.0-1.el6_10.src.rpm i386: thunderbird-68.10.0-1.el6_10.i686.rpm thunderbird-debuginfo-68.10.0-1.el6_10.i686.rpm ppc64: thunderbird-68.10.0-1.el6_10.ppc64.rpm thunderbird-debuginfo-68.10.0-1.el6_10.ppc64.rpm s390x: thunderbird-68.10.0-1.el6_10.s390x.rpm thunderbird-debuginfo-68.10.0-1.el6_10.s390x.rpm x86_64: thunderbird-68.10.0-1.el6_10.x86_64.rpm thunderbird-debuginfo-68.10.0-1.el6_10.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: thunderbird-68.10.0-1.el6_10.src.rpm i386: thunderbird-68.10.0-1.el6_10.i686.rpm thunderbird-debuginfo-68.10.0-1.el6_10.i686.rpm x86_64: thunderbird-68.10.0-1.el6_10.x86_64.rpm thunderbird-debuginfo-68.10.0-1.el6_10.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-2020-12418 https://access.redhat.com/security/cve/CVE-2020-12419 https://access.redhat.com/security/cve/CVE-2020-12420 https://access.redhat.com/security/cve/CVE-2020-12421 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 2020 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXxAD6tzjgjWX9erEAQgdfA/+NI92uVEITQvCmwzc6yd4dGO/pIaKhwXa R7dNZZpdbdz4tPGvFGBAJygBdd3RTO0CDZa7IpDpVhRvTXGOc+iT+DLAOvsjynDj 4Sl5u0XBW3NEnCViJ0pLnXtFqNN77QFSJkC5YW6ThEwmp818YGOvm18pL48ZUQ5D xrAj8jwWLgnXhe3Coq/v4gV4VjZ8jqDjjkiQsNCbFAZIuH14RCfr2WAtUaeOsJVj Tp6mQx9P0hj9sHwYISg78bxawnVGuoEOvidV11BEsg5dZC51n+WdHB9Uy4I8Ykz9 li3IC0Q9AJBL6HDHotPBFSrIuVM62JnUUJGZfmUTq3wqB5cWGiod68XTYl3HIkLz NHyDcHM5ZtMBVDnfKCXEOhDXqf4gOhH1hVwB5feI1xnih9niTVm+ZTvKoRMn5bYm xx9ISnz1bjszjADEWKfg3dbeldMe4nA/F7GBG721LS1XOeTWQcoAnPGrPCRiz2dS d7sYIucApYHYnMdD8Gs//USrA/93KuAng8Ru8kBACtWgROLamke3P6II1R8crKpz Bxwy7qsIMkvfdZjWgPdn9q9G5hQ8ixeCr2JzMCueXOn6+EuW/OPJ9MDwxZRHfSOK dgHMaBZeURN+36RoNozeXjARE+ohOy6ymAspEPG4NRuTsDLaTPpymi1pbZwdzwkc Mj/hEuNtfa0= =bFq2 - -----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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