news 28 Posted December 11, 2013 ========================================================================== Ubuntu Security Notice USN-2052-1 December 11, 2013 firefox vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 13.10 - Ubuntu 13.04 - Ubuntu 12.10 - Ubuntu 12.04 LTS Summary: Firefox could be made to crash or run programs as your login if it opened a malicious website. Software Description: - firefox: Mozilla Open Source web browser Details: Ben Turner, Bobby Holley, Jesse Ruderman, Christian Holler and Christoph Diehl discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, 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 Firefox. (CVE-2013-5609, CVE-2013-5610) Myk Melez discovered that the doorhanger notification for web app installation could persist between page navigations. An attacker could potentially exploit this to conduct clickjacking attacks. (CVE-2013-5611) Masato Kinugawa discovered that pages with missing character set encoding information can inherit character encodings across navigations from another domain. An attacker could potentially exploit this to conduct cross-site scripting attacks. (CVE-2013-5612) Daniel Veditz discovered that a sandboxed iframe could use an object element to bypass its own restrictions. (CVE-2013-5614) Tyson Smith and Jesse Schwartzentruber discovered a use-after-free in event listeners. 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 Firefox. (CVE-2013-5616) A use-after-free was discovered in the table editing interface. 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 Firefox. (CVE-2013-5618) Dan Gohman discovered that binary search algorithms in Spidermonkey used arithmetic prone to overflow in several places. However, this is issue not believed to be exploitable. (CVE-2013-5619) Tyson Smith and Jesse Schwartzentruber discovered a crash when inserting an ordered list in to a document using script. An attacker could potentially exploit this to execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2013-6671) Vincent Lefevre discovered that web content could access clipboard data under certain circumstances, resulting in information disclosure. (CVE-2013-6672) Sijie Xia discovered that trust settings for built-in EV root certificates were ignored under certain circumstances, removing the ability for a user to manually untrust certificates from specific authorities. (CVE-2013-6673) Tyson Smith, Jesse Schwartzentruber and Atte Kettunen discovered a use-after-free in functions for synthetic mouse movement handling. 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 Firefox. (CVE-2013-5613) Eric Faust discovered that GetElementIC typed array stubs can be generated outside observed typesets. An attacker could possibly exploit this to cause undefined behaviour with a potential security impact. (CVE-2013-5615) Michal Zalewski discovered several issues with JPEG image handling. An attacker could potentially exploit these to obtain sensitive information. (CVE-2013-6629, CVE-2013-6630) Update instructions: The problem can be corrected by up[censored] your system to the following package versions: Ubuntu 13.10: firefox 26.0+build2-0ubuntu0.13.10.2 Ubuntu 13.04: firefox 26.0+build2-0ubuntu0.13.04.2 Ubuntu 12.10: firefox 26.0+build2-0ubuntu0.12.10.2 Ubuntu 12.04 LTS: firefox 26.0+build2-0ubuntu0.12.04.2 After a standard system update you need to restart Firefox to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-2052-1 CVE-2013-5609, CVE-2013-5610, CVE-2013-5611, CVE-2013-5612, CVE-2013-5613, CVE-2013-5614, CVE-2013-5615, CVE-2013-5616, CVE-2013-5618, CVE-2013-5619, CVE-2013-6629, CVE-2013-6630, CVE-2013-6671, CVE-2013-6672, CVE-2013-6673,https://launchpad.net/bugs/1258513 Package Information: https://launchpad.net/ubuntu/+source/firefox/26.0+build2-0ubuntu0.13.10.2 https://launchpad.net/ubuntu/+source/firefox/26.0+build2-0ubuntu0.13.04.2 https://launchpad.net/ubuntu/+source/firefox/26.0+build2-0ubuntu0.12.10.2 https://launchpad.net/ubuntu/+source/firefox/26.0+build2-0ubuntu0.12.04.2 -- Share this post Link to post