============================================================================ Ubuntu Security Notice USN-2552-1 April 02, 2015 thunderbird vulnerabilities ============================================================================ A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.10 - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS Summary: Several security issues were fixed in Thunderbird. Software Description: - thunderbird: Mozilla Open Source mail and newsgroup client Details: Olli Pettay and Boris Zbarsky discovered an issue during anchor navigations in some circumstances. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit this to bypass same-origin policy restrictions. (CVE-2015-0801) Christoph Kerschbaumer discovered that CORS requests from navigator.sendBeacon() followed 30x redirections after preflight. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit this to conduct cross-site request forgery (XSRF) attacks. (CVE-2015-0807) Aki Helin discovered a use-after-free when playing MP3 audio files using the Fluendo MP3 GStreamer plugin in certain circumstances. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2015-0813) Christian Holler, Steve Fink, and Byron Campen discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2015-0815) Mariusz Mlynski discovered that documents loaded via resource: URLs (such as PDF.js) could load privileged chrome pages. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit this in combination with another flaw, in order to execute arbitrary script in a privileged context. (CVE-2015-0816) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.10: thunderbird 1:31.6.0+build1-0ubuntu0.14.10.1 Ubuntu 14.04 LTS: thunderbird 1:31.6.0+build1-0ubuntu0.14.04.1 Ubuntu 12.04 LTS: thunderbird 1:31.6.0+build1-0ubuntu0.12.04.1 After a standard system update you need to restart Thunderbird to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-2552-1 CVE-2015-0801, CVE-2015-0807, CVE-2015-0813, CVE-2015-0815, CVE-2015-0816 Package Information: https://launchpad.net/ubuntu/+source/thunderbird/1:31.6.0+build1-0ubuntu0.14.10.1 https://launchpad.net/ubuntu/+source/thunderbird/1:31.6.0+build1-0ubuntu0.14.04.1 https://launchpad.net/ubuntu/+source/thunderbird/1:31.6.0+build1-0ubuntu0.12.04.1