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Ubuntu 3997-1 Security Notice: Thunderbird Critical Issues Resolved

Several security issues were fixed in Thunderbird.. =========================================================================Ubuntu Security Notice USN-3997-1 May 28, 2019 thunderbird vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 19.04 - Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: Several security issues were fixed in Thunderbird. Software Description: - 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, bypass same-origin protections, or execute arbitrary code. (CVE-2019-18511, CVE-2019-11691, CVE-2019-11692, CVE-2019-11693, CVE-2019-9797, CVE-2019-9800, CVE-2019-9817, CVE-2019-9819, CVE-2019-9820) 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-2019-5798, CVE-2019-7317) A type confusion bug was discovered with object groups and UnboxedObjects. If a user were tricked in to opening a specially crafted website in a browsing context after enabling the UnboxedObjects feature, an attacker could potentially exploit this to bypass security checks. (CVE-2019-9816) It was discovered that history data could be exposed via drag and drop of hyperlinks to and from bookmarks. If a user were tricked in to dragging a specially crafted hyperlink to a bookmark toolbar or sidebar, and subsequently back in to the web content area, an attacker could potentially exploit this to obtain sensitive information. (CVE-2019-11698) Update instructions: The problem can be corrected by updating your system to the following packageversions: Ubuntu 19.04: thunderbird 1:60.7.0+build1-0ubuntu0.19.04.1 Ubuntu 18.10: thunderbird 1:60.7.0+build1-0ubuntu0.18.10.1 Ubuntu 18.04 LTS: thunderbird 1:60.7.0+build1-0ubuntu0.18.04.1 Ubuntu 16.04 LTS: thunderbird 1:60.7.0+build1-0ubuntu0.16.04.1 After a standard system update you need to restart Thunderbird to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-3997-1 CVE-2018-18511, CVE-2019-11691, CVE-2019-11692, CVE-2019-11693, CVE-2019-11698, CVE-2019-5798, CVE-2019-7317, CVE-2019-9797, CVE-2019-9800, CVE-2019-9816, CVE-2019-9817, CVE-2019-9819, CVE-2019-9820 Package Information: https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.0+build1-0ubuntu0.19.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.0+build1-0ubuntu0.18.10.1 https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.0+build1-0ubuntu0.18.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:60.7.0+build1-0ubuntu0.16.04.1 . Various security flaws in Thunderbird patched in Ubuntu updates for different releases impacting user safety and information.. Thunderbird Security Issues, Ubuntu Vulnerability Management, Denial of Service Risks, Arbitrary Code Security. . Severity: Critical. LinuxSecurity.com Team

May 28, 2019 •Critical Ubuntu