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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0599 USN-3897-1: Thunderbird vulnerabilities 27 February 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: thunderbird Publisher: Ubuntu Operating System: Ubuntu Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Increased Privileges -- Remote with User Interaction Access Privileged Data -- Remote with User Interaction Denial of Service -- Remote with User Interaction Provide Misleading Information -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2019-5785 CVE-2018-18509 CVE-2018-18505 CVE-2018-18501 CVE-2018-18500 CVE-2018-18356 CVE-2016-5824 Reference: ASB-2019.0055 ASB-2017.0219 ESB-2019.0556 ESB-2019.0527 ESB-2019.0479.2 Original Bulletin: https://usn.ubuntu.com/3897-1/ - --------------------------BEGIN INCLUDED TEXT-------------------- ====================================================================== USN-3897-1: Thunderbird vulnerabilities 26 February 2019 thunderbird vulnerabilities ====================================================================== A security issue affects these releases of Ubuntu and its derivatives: o Ubuntu 18.10 o Ubuntu 18.04 LTS o Ubuntu 16.04 LTS o Ubuntu 14.04 LTS Summary Several security issues were fixed in Thunderbird. Software Description o thunderbird - Mozilla Open Source mail and newsgroup client Details A use-after-free was discovered in libical. If a user were tricked in to opening a specially crafted ICS calendar file, an attacker could potentially exploit this to cause a denial of service. (CVE-2016-5824) Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service, or execute arbitrary code. (CVE-2018-18356, CVE-2018-18500, CVE-2019-5785) 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, gain additional privileges by escaping the sandbox, or execute arbitrary code. (CVE-2018-18501, CVE-2018-18505) An issue was discovered with S/MIME signature verification in some circumstances. An attacker could potentially exploit this by spoofing signatures for arbitrary content. (CVE-2018-18509) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10 thunderbird - 1:60.5.1+build2-0ubuntu0.18.10.1 Ubuntu 18.04 LTS thunderbird - 1:60.5.1+build2-0ubuntu0.18.04.1 Ubuntu 16.04 LTS thunderbird - 1:60.5.1+build2-0ubuntu0.16.04.1 Ubuntu 14.04 LTS thunderbird - 1:60.5.1+build2-0ubuntu0.14.04.1 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-2016-5824 o CVE-2018-18356 o CVE-2018-18500 o CVE-2018-18501 o CVE-2018-18505 o CVE-2018-18509 o CVE-2019-5785 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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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 iQIVAwUBXHX8bmaOgq3Tt24GAQg3zg//dUHeTLQAHN6Iv+vLDk9tzTYL2zt9l8SV XowQ+zSNGzRDcOaJG1yU4e1FhLhPyKiXze+y60zGCn0340jAxCGEocNXsMQDA3io iPLJzKzR6OrJbpamd8rVvTM/HgoItWgFkYwiCtM/WJbaFRuPYYmyBI5l3xMO8fZw YrorGuqCzZTctjlXC/d62aSqKiCsbtD2hwYijWyv2tAvyOTdgqsUpwv3nNsWGx/5 auAuRvsN//sEWq6DHw3339ItnX7v00cfGH76PDu0tELBPE/BZ3kwTsxiqOZa5VgM G6JzY5jv9300Gz3uHOBgeZBs/DqqwNBBoMJgXm7QpZ+QTrscEfa8/Glt0CXr5MrF 88/yNilCCHSpmytSG+EHV/koyaqvdwyUwe3cDzN4QM65gXFBaz3MJar0ZTS0XY7T vYPrHINAOWyW7oDXvl/RgD0phmQdVHg1RFcH9bP3RfVDTR1vquoSL/vIuKqZ2/8l YAh6LXOqODpdWgovfxMvjQAZSgOBiY3/8RlhiuyvBF5cpNnM/ESNvTjBThkSqTN5 XyUBNEMeS8Zw7dEFH1rbh0u9x4kmdbioHW6iaUN3H7NPEJhn612kSyRpNw57DGqR M5AL85QPN9OHOdaPITXjGVrbP9QTGWma2uikzwtra1d49zT/xNbrNQOkLo/q4NfF k32hekHnzOI= =WSB6 -----END PGP SIGNATURE-----