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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.2385 USN-4045-1: Thunderbird vulnerabilities 2 July 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Thunderbird Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-11708 CVE-2019-11707 Reference: ASB-2019.0166 ESB-2019.2327 ESB-2019.2291 ESB-2019.2289 Original Bulletin: https://usn.ubuntu.com/4045-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- USN-4045-1: Thunderbird vulnerabilities 1 July 2019 thunderbird vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 19.04 o Ubuntu 18.10 o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS Summary Several security issues were fixed in Thunderbird. Software Description o thunderbird - Mozilla Open Source mail and newsgroup client Details A type confusion bug was discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could exploit this by causing a denial of service, or executing arbirary code. (CVE-2019-11707) It was discovered that a sandboxed child process could open arbitrary web content in the parent process via the Prompt:Open IPC message. When combined with another vulnerability, an attacker could potentially exploit this to execute arbitrary code. (CVE-2019-11708) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 thunderbird - 1:60.7.2+build2-0ubuntu0.19.04.1 Ubuntu 18.10 thunderbird - 1:60.7.2+build2-0ubuntu0.18.10.1 Ubuntu 18.04 LTS thunderbird - 1:60.7.2+build2-0ubuntu0.18.04.1 Ubuntu 16.04 LTS thunderbird - 1:60.7.2+build2-0ubuntu0.16.04.1 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-2019-11707 o CVE-2019-11708 - --------------------------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. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXRqa8WaOgq3Tt24GAQhoYg/9E+gaGv/82mxO6+BHQIxcSdRJvy1hdAEj jQlb4f4TUy2ogIeYUQtByzdRjJdk/PGUkri0+GbOGLmfFWmTB3MUOM7mrcwSpZHK AGaJK6fdLt+6RbYO80eVOHVVaGZcelFG3fDnSec/rEazGVTMTGkFNotHXTOVxMYI KLXKa6ZBypky7qNgZ2lyA0Q4oBEoUMRtv0D/e/9K7daKalEdT/3JxiEUWIYm/fLM wcHXW5P+2eoGGX9E7TZh5IZxCQSMyzvr7gL1iJnK4ryVViovKVVSRsUzn+1Rq/hW IgOqoqSH2nBPDHwzyWbe2W4WoGH9PiThoQ9Nh2tfCrxZIiYqOMfDVdEuDvkpiHdk axRFkCs6kVEiVyWOsv71uZNdtUProzoJOLirAOT+gk2LLJ5l0RsnUvN7Yfgwtrof tJMXXwGYiyWZWuHCFsX4bzdkQ1/GcU04g0R420xN7rBoHpaMViSGxjoLack0glLP G/uiA7jjXBJn+TRAQskXn++X6M6oR/IUtyNjZ552jcLO4iJOWHsjUyJ9A8aLAjLE YKY0O1wq7pkykjMMPndTvLknYm5MYfSluntf9eAfrnz+bTXFb4MsmOPjzwtKiuwE axxAwdqOzzMB8Ex0a9HZ8RPOqmFD1ki4+m8hWtYWyX5/hZdxsjuQGKq8mDvpyht2 KurTDICvi5k= =4VvF -----END PGP SIGNATURE-----