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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.4515 thunderbird security update 22 December 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: thunderbird Publisher: Red Hat Operating System: Red Hat Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction 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-2020-35113 CVE-2020-35111 CVE-2020-26978 CVE-2020-26974 CVE-2020-26973 CVE-2020-26971 CVE-2020-26970 CVE-2020-16042 Reference: ESB-2020.4474 ESB-2020.4458 ESB-2020.4457 ESB-2020.4456 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:5644 https://access.redhat.com/errata/RHSA-2020:5645 Comment: This bulletin contains two (2) Red Hat security advisories. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: thunderbird security update Advisory ID: RHSA-2020:5644-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:5644 Issue date: 2020-12-21 CVE Names: CVE-2020-16042 CVE-2020-26970 CVE-2020-26971 CVE-2020-26973 CVE-2020-26974 CVE-2020-26978 CVE-2020-35111 CVE-2020-35113 ===================================================================== 1. Summary: An update for thunderbird is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. 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 AppStream EUS (v. 8.1) - ppc64le, x86_64 3. Description: Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.6.0. Security Fix(es): * chromium-browser: Uninitialized Use in V8 (CVE-2020-16042) * Mozilla: Stack overflow due to incorrect parsing of SMTP server response codes (CVE-2020-26970) * Mozilla: Heap buffer overflow in WebGL (CVE-2020-26971) * Mozilla: CSS Sanitizer performed incorrect sanitization (CVE-2020-26973) * Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free (CVE-2020-26974) * Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6 (CVE-2020-35113) * Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2020-26978) * Mozilla: The proxy.onRequest API did not catch view-source URLs (CVE-2020-35111) 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/): 1903443 - CVE-2020-26970 Mozilla: Stack overflow due to incorrect parsing of SMTP server response codes 1904515 - CVE-2020-16042 chromium-browser: Uninitialized Use in V8 1908022 - CVE-2020-26971 Mozilla: Heap buffer overflow in WebGL 1908023 - CVE-2020-26973 Mozilla: CSS Sanitizer performed incorrect sanitization 1908024 - CVE-2020-26974 Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free 1908025 - CVE-2020-26978 Mozilla: Internal network hosts could have been probed by a malicious webpage 1908027 - CVE-2020-35111 Mozilla: The proxy.onRequest API did not catch view-source URLs 1908029 - CVE-2020-35113 Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6 6. Package List: Red Hat Enterprise Linux AppStream EUS (v. 8.1): Source: thunderbird-78.6.0-1.el8_1.src.rpm ppc64le: thunderbird-78.6.0-1.el8_1.ppc64le.rpm thunderbird-debuginfo-78.6.0-1.el8_1.ppc64le.rpm thunderbird-debugsource-78.6.0-1.el8_1.ppc64le.rpm x86_64: thunderbird-78.6.0-1.el8_1.x86_64.rpm thunderbird-debuginfo-78.6.0-1.el8_1.x86_64.rpm thunderbird-debugsource-78.6.0-1.el8_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-2020-16042 https://access.redhat.com/security/cve/CVE-2020-26970 https://access.redhat.com/security/cve/CVE-2020-26971 https://access.redhat.com/security/cve/CVE-2020-26973 https://access.redhat.com/security/cve/CVE-2020-26974 https://access.redhat.com/security/cve/CVE-2020-26978 https://access.redhat.com/security/cve/CVE-2020-35111 https://access.redhat.com/security/cve/CVE-2020-35113 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 iQIVAwUBX+CV0tzjgjWX9erEAQiZrA//eUEfTFK98i3Smj86NQVD0COU/KMHkNTs 3qVyx4nVwSmVEOdlr9Is2Til5LB4/pZFpZkCLig0ZNj7umfSxi9WCEnM8UD6Oji/ sU/OhUvbikUOTcB10coMPJQ4Al2QJr59sipCPd3sa3I4+jL6qxXEmE4qxDYWZlxt TG5pSvjuZCt3gBuTRzLT4uqukPElF0hVOl8qZMMhuWwLTS9bh903cYzUXGag1Ekk n3QQCrlzqvxKePWfVO4UppyQoopKVuhbl0E4Je2hAqBhbP35O0b7/5bqCDTVuaQi hLG/s8bn5Zqc6qCTDFn+w3vuAlHHDw/R/tHfpNCh13li9FHy/+7xb7U0EzoZ0/Nk H6wcNojGd/e8QJrZfdc4toLlKt5wxLOTZ4hOVgL3BY5bbYQN/NFG11NAPpjZ6JY6 +PB+nnc7NorYWJ7/UMwxFJkM6PjBb69EPbADk03j8RSLhjIZSPL458vSs8z5ir29 O2HW1TxpP44m9jQw1EN1AxQvXOnHiOdQf3FJUDH4I2Lo33FwxMbpjjxzhApGrrqi 14TOubdb0pWG7HePfXOc9EYRf86/GweTcCSx7WtAAwyRv9GZH6SlDmdIx8UmUkll bk/bTcTsRuouABJ7ZATwovHYx8J9kglLy3ys/mxU8k8Y+RQvO8RMgxg+sZ8dh+VB PsswzxbbTbQ= =VdRF - -----END PGP SIGNATURE----- - -------------------------------------------------------------------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: thunderbird security update Advisory ID: RHSA-2020:5645-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:5645 Issue date: 2020-12-21 CVE Names: CVE-2020-16042 CVE-2020-26970 CVE-2020-26971 CVE-2020-26973 CVE-2020-26974 CVE-2020-26978 CVE-2020-35111 CVE-2020-35113 ===================================================================== 1. Summary: An update for thunderbird is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions. 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 AppStream E4S (v. 8.0) - ppc64le, x86_64 3. Description: Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.6.0. Security Fix(es): * chromium-browser: Uninitialized Use in V8 (CVE-2020-16042) * Mozilla: Stack overflow due to incorrect parsing of SMTP server response codes (CVE-2020-26970) * Mozilla: Heap buffer overflow in WebGL (CVE-2020-26971) * Mozilla: CSS Sanitizer performed incorrect sanitization (CVE-2020-26973) * Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free (CVE-2020-26974) * Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6 (CVE-2020-35113) * Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2020-26978) * Mozilla: The proxy.onRequest API did not catch view-source URLs (CVE-2020-35111) 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/): 1903443 - CVE-2020-26970 Mozilla: Stack overflow due to incorrect parsing of SMTP server response codes 1904515 - CVE-2020-16042 chromium-browser: Uninitialized Use in V8 1908022 - CVE-2020-26971 Mozilla: Heap buffer overflow in WebGL 1908023 - CVE-2020-26973 Mozilla: CSS Sanitizer performed incorrect sanitization 1908024 - CVE-2020-26974 Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free 1908025 - CVE-2020-26978 Mozilla: Internal network hosts could have been probed by a malicious webpage 1908027 - CVE-2020-35111 Mozilla: The proxy.onRequest API did not catch view-source URLs 1908029 - CVE-2020-35113 Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6 6. Package List: Red Hat Enterprise Linux AppStream E4S (v. 8.0): Source: thunderbird-78.6.0-1.el8_0.src.rpm ppc64le: thunderbird-78.6.0-1.el8_0.ppc64le.rpm thunderbird-debuginfo-78.6.0-1.el8_0.ppc64le.rpm thunderbird-debugsource-78.6.0-1.el8_0.ppc64le.rpm x86_64: thunderbird-78.6.0-1.el8_0.x86_64.rpm thunderbird-debuginfo-78.6.0-1.el8_0.x86_64.rpm thunderbird-debugsource-78.6.0-1.el8_0.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-2020-16042 https://access.redhat.com/security/cve/CVE-2020-26970 https://access.redhat.com/security/cve/CVE-2020-26971 https://access.redhat.com/security/cve/CVE-2020-26973 https://access.redhat.com/security/cve/CVE-2020-26974 https://access.redhat.com/security/cve/CVE-2020-26978 https://access.redhat.com/security/cve/CVE-2020-35111 https://access.redhat.com/security/cve/CVE-2020-35113 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 iQIVAwUBX+ClKtzjgjWX9erEAQifLg/9GLrkCWvaOTGnjiLds+qLg841em1UqiZB Pog1v5RqtRF/hi8L5shP1gdIutrxEVPzbVnpFN/F2CFqdMkM9LnF+3MqkhAwGIXl Wv6hO2TMQdftcBKbNbmZAkXLCx/4GpAiqf+FhOHrdcKmHhZU2g31d2Jwlmn8Ux+A o/XZ1FDsGUbJl70moYY20g/Q6zFE1O45YAHe516aVKI8VGnfUg2dar9+x1uAs2AJ d3Gq1ZTfwqFOu9asYk08mwg6siakhadK6As0N1A5X7dib2C9GhmBP3WgHCBI59qI 1Eegcg9/6YJBYrH9eLLEKF3Z3IlE+vmv0mH7kgFHwojVyIPvrmpOWGMmTjrVHwqq chuPbhet/WByisYI95w5BQYL2fllkIYkFaCULOSYZvKnVLHWAMnMj+oZ7Pfe4ZPO zDFZkmNzmgcxrjnZqjJHaWHi/dhKvH6XcOGYmuYWT2MR4HSq2uOWJhHKJaO4GmnB MuCBB2Y58WfsUgmIx/7D3FBNX2n8hx5Ip570Bnof3DWtct7rp1R9aFh0LpMdWaN0 U+o+16QroPmSY3V6nRfmQOzUnY8ci5ioxwhaXkiaVrtOHVD5dOjOU3Sva/s5sqx4 XYzDXx9yyHX3TOlKIkhGJD6R++zTGwYTXJHZeas8SJ7xm458+N0igr9l/W7vua4K LLFimg7C8Ko= =fNqK - -----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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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBX+E2xeNLKJtyKPYoAQiLFA//ZwyI8QgClwEi2ZRatHfGKn7Fr4y8dTTL I5h1fPPMjJHHlavV9f8lqCVfnL70MsVTxbZczgadlIw1mfY902a7p+h6dlT1uIFh PG24V8Cznh0paPf2TfZRqzsj2hskcIExmnIBvexskTDaoltS0oj/JabxvhvdJMkB OpGzI/UcGRny5tzxPd+CEC5jn7aU2avmOL5laaftV7QzOvAjPPBLYdYKLvDQpp5H vEGh9pWmveUtGrKZeF0kJWHChykZD90xXHj/b+KPA3v5RdpudoXoA87fjY7PCqod iaDhlG9ns4C336B2Zqtf6yj+GZrdNt5yZJHhWwFSCaQR6x/4+mU2ymg6t7nahpds M/qACYWf/mArtYyP45eUAg9tqjHsQWoAFMVKQrOxTmsh9ZummX/ANIUSTkaRzMRF SxNOMJnotBS4+e274ADNJNIPL5DYLOCRKnlSthvfjQ0V+V2hBf1lpVUZFgLrTVX0 f7c1S04JI23P7KOqGr+KtOw/sTVdcMxwviz0QhUQ8O34NzvB/xAoeBf0W19XnPb3 ByxNbSrSuu6fBDxPQPXFkrvfCljDl+sU2YmOM+xeXo+/3DORBBMlWPH95MDT42EP bG6ybxjXOMIO0FsOa5FPZvdN69C35/x+G2hLgUUGASVnDPjG44D1EsB0ssMsXRUV jYVjTPsR6Fw= =PRUA -----END PGP SIGNATURE-----