Ubuntu alert USN-3124-1 (firefox)
| From: | Chris Coulson <chris.coulson@canonical.com> | |
| To: | ubuntu-security-announce@lists.ubuntu.com | |
| Subject: | [USN-3124-1] Firefox vulnerabilities | |
| Date: | Sat, 19 Nov 2016 00:19:43 +0000 | |
| Message-ID: | <2e1662f4-1a07-892b-8129-eb135dda2560@canonical.com> |
========================================================================== Ubuntu Security Notice USN-3124-1 November 19, 2016 firefox vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.10 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS - 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: Christian Holler, Andrew McCreight, Dan Minor, Tyson Smith, Jon Coppeard, Jan-Ivar Bruaroey, Jesse Ruderman, Markus Stange, Olli Pettay, Ehsan Akhgari, Gary Kwong, Tooru Fujisawa, and Randell Jesup 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. (CVE-2016-5289, CVE-2016-5290) A same-origin policy bypass was discovered with local HTML files in some circumstances. An attacker could potentially exploit this to obtain sensitive information. (CVE-2016-5291) A crash was discovered when parsing URLs in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to execute arbitrary code. (CVE-2016-5292) A heap buffer-overflow was discovered in Cairo when processing SVG content. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5296) An error was discovered in argument length checking in Javascript. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-5297) An integer overflow was discovered in the Expat library. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash. (CVE-2016-9063) It was discovered that addon updates failed to verify that the addon ID inside the signed package matched the ID of the addon being updated. An attacker that could perform a man-in-the-middle (MITM) attack could potentially exploit this to provide malicious addon updates. (CVE-2016-9064) A buffer overflow was discovered in nsScriptLoadHandler. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-9066) 2 use-after-free bugs were discovered during DOM operations in some circumstances. 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. (CVE-2016-9067, CVE-2016-9069) A heap use-after-free was discovered during web animations in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-9068) It was discovered that a page loaded in to the sidebar through a bookmark could reference a privileged chrome window. An attacker could potentially exploit this to bypass same origin restrictions. (CVE-2016-9070) An issue was discovered with Content Security Policy (CSP) in combination with HTTP to HTTPS redirection. An attacker could potentially exploit this to verify whether a site is within the user's browsing history. (CVE-2016-9071) An issue was discovered with the windows.create() WebExtensions API. If a user were tricked in to installing a malicious extension, an attacker could potentially exploit this to escape the WebExtensions sandbox. (CVE-2016-9073) It was discovered that WebExtensions can use the mozAddonManager API. An attacker could potentially exploit this to install additional extensions without user permission. (CVE-2016-9075) It was discovered that <select> element dropdown menus can cover location bar content when e10s is enabled. An attacker could potentially exploit this to conduct UI spoofing attacks. (CVE-2016-9076) It was discovered that canvas allows the use of the feDisplacementMap filter on cross-origin images. An attacker could potentially exploit this to conduct timing attacks. (CVE-2016-9077) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.10: firefox 50.0+build2-0ubuntu0.16.10.2 Ubuntu 16.04 LTS: firefox 50.0+build2-0ubuntu0.16.04.2 Ubuntu 14.04 LTS: firefox 50.0+build2-0ubuntu0.14.04.2 Ubuntu 12.04 LTS: firefox 50.0+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-3124-1 CVE-2016-5289, CVE-2016-5290, CVE-2016-5291, CVE-2016-5292, CVE-2016-5296, CVE-2016-5297, CVE-2016-9063, CVE-2016-9064, CVE-2016-9066, CVE-2016-9067, CVE-2016-9068, CVE-2016-9069, CVE-2016-9070, CVE-2016-9071, CVE-2016-9073, CVE-2016-9075, CVE-2016-9076, CVE-2016-9077 Package Information: https://launchpad.net/ubuntu/+source/firefox/50.0+build2-... https://launchpad.net/ubuntu/+source/firefox/50.0+build2-... https://launchpad.net/ubuntu/+source/firefox/50.0+build2-... https://launchpad.net/ubuntu/+source/firefox/50.0+build2-... -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...