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Ubuntu 18.10: USN-3927-1 Moderate: Thunderbird Security Flaws Exploits

Several security issues were fixed in Thunderbird.. =========================================================================Ubuntu Security Notice USN-3927-1 March 28, 2019 thunderbird vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS Summary: Several security issues were fixed in Thunderbird. Software Description: - thunderbird: Mozilla Open Source mail and newsgroup client Details: It was discovered that Thunderbird allowed PAC files to specify that requests to localhost are sent through the proxy to another server. If proxy auto-detection is enabled, an attacker could potentially exploit this to conduct attacks on local services and tools. (CVE-2018-18506) 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, or execute arbitrary code. (CVE-2019-9788, CVE-2019-9790, CVE-2019-9791, CVE-2019-9792, CVE-2019-9795, CVE-2019-9796, CVE-2019-9810, CVE-2019-9813) A mechanism was discovered that removes some bounds checking for string, array, or typed array accesses if Spectre mitigations have been disabled. If a user were tricked in to opening a specially crafted website in a browsing context with Spectre mitigations disabled, an attacker could potentially exploit this to cause a denial of service, or execute arbitrary code. (CVE-2019-9793) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.10: thunderbird 1:60.6.1+build2-0ubuntu0.18.10.1 Ubuntu 18.04 LTS: thunderbird 1:60.6.1+build2-0ubuntu0.18.04.1 Ubuntu 16.04 LTS: thunderbird 1:60.6.1+build2-0ubuntu0.16.04.1 Ubuntu 14.04 LTS: thunderbird 1:60.6.1+build2-0ubuntu0.14.04.1 After a standard system update you need to restart Thunderbird to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-3927-1 CVE-2018-18506, CVE-2019-9788, CVE-2019-9790, CVE-2019-9791, CVE-2019-9792, CVE-2019-9793, CVE-2019-9795, CVE-2019-9796, CVE-2019-9810, CVE-2019-9813 Package Information: https://launchpad.net/ubuntu/+source/thunderbird/1:60.6.1+build2-0ubuntu0.18.10.1 https://launchpad.net/ubuntu/+source/thunderbird/1:60.6.1+build2-0ubuntu0.18.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:60.6.1+build2-0ubuntu0.16.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:60.6.1+build2-0ubuntu0.14.04.1 . The latest Ubuntu Security Announcements USN-3927-1 detail crucial updates to address vulnerabilities in Thunderbird, enhancing overall user protection across several versions.. Thunderbird Update, Security Flaws, Software Patching, User Safety. . Severity: Medium. LinuxSecurity.com Team

Mar 28, 2019 •Medium Ubuntu