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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.0194 USN-4241-1: Thunderbird vulnerabilities 17 January 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Thunderbird Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Cross-site Scripting -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-17026 CVE-2019-17024 CVE-2019-17022 CVE-2019-17017 CVE-2019-17016 CVE-2019-17012 CVE-2019-17011 CVE-2019-17010 CVE-2019-17008 CVE-2019-17005 CVE-2019-11745 Reference: ESB-2020.0184 ESB-2020.0152 ESB-2020.0078 ESB-2019.4613 ESB-2019.4555 Original Bulletin: https://usn.ubuntu.com/4241-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4241-1: Thunderbird vulnerabilities 16 January 2020 thunderbird vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.10 o Ubuntu 18.04 LTS Summary Several security issues were fixed in Thunderbird. Software Description o thunderbird - Mozilla Open Source mail and newsgroup client Details Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, conduct cross-site scripting (XSS) attacks, or execute arbitrary code. (CVE-2019-17005, CVE-2019-17008, CVE-2019-17010, CVE-2019-17011, CVE-2019-17012, CVE-2019-17016, CVE-2019-17017, CVE-2019-17022, CVE-2019-17024, CVE-2019-17026) It was discovered that NSS incorrectly handled certain memory operations. A remote attacker could potentially exploit this to cause a denial of service, or execute arbitrary code. (CVE-2019-11745) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 thunderbird - 1:68.4.1+build1-0ubuntu0.19.10.1 Ubuntu 18.04 LTS thunderbird - 1:68.4.1+build1-0ubuntu0.18.04.1 To update your system, please follow these instructions: https:// wiki.ubuntu.com/Security/Upgrades . After a standard system update you need to restart Thunderbird to make all the necessary changes. References o CVE-2019-11745 o CVE-2019-17005 o CVE-2019-17008 o CVE-2019-17010 o CVE-2019-17011 o CVE-2019-17012 o CVE-2019-17016 o CVE-2019-17017 o CVE-2019-17022 o CVE-2019-17024 o CVE-2019-17026 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. 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