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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --D3UEeoEj88SPGgawhEiUuTbS66wosjPIf Content-Type: multipart/mixed; boundary="jal2M6TihNAOmBCqxMUSptjWqhUu9X1wf" From: Chris Coulson <chris.coulson@canonical.com> Reply-To: Ubuntu Security <security@ubuntu.com> To: ubuntu-security-announce@lists.ubuntu.com Message-ID: <ddfb479b-517b-e545-310d-f41a8e0b992a@canonical.com> Subject: [USN-2917-3] Firefox regressions
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========================================================================== Ubuntu Security Notice USN-2917-3 April 19, 2016
firefox regressions ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 15.10 - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS
Summary:
USN-2917-1 introduced several regressions in Firefox.
Software Description: - firefox: Mozilla Open Source web browser
Details:
USN-2917-1 fixed vulnerabilities in Firefox. This update caused several web compatibility regressions.
This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Francis Gabriel discovered a buffer overflow during ASN.1 decoding in NSS. 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 with the privileges of the user invoking Firefox. (CVE-2016-1950) Bob Clary, Christoph Diehl, Christian Holler, Andrew McCreight, Daniel Holbert, Jesse Ruderman, Randell Jesup, Carsten Book, Gian-Carlo Pascutto, Tyson Smith, Andrea Marchesini, and Jukka JylÀnki 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-2016-1952, CVE-2016-1953) Nicolas Golubovic discovered that CSP violation reports can be used to overwrite local files. If a user were tricked in to opening a specially crafted website with addon signing disabled and unpacked addons installed, an attacker could potentially exploit this to gain additional privileges. (CVE-2016-1954) Muneaki Nishimura discovered that CSP violation reports contained full paths for cross-origin iframe navigations. An attacker could potentially exploit this to steal confidential data. (CVE-2016-1955) Ucha Gobejishvili discovered that performing certain WebGL operations resulted in memory resource exhaustion with some Intel GPUs, requiring a reboot. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service. (CVE-2016-1956) Jose Martinez and Romina Santillan discovered a memory leak in libstagefright during MPEG4 video file processing 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 memory exhaustion. (CVE-2016-1957) Abdulrahman Alqabandi discovered that the addressbar could be blank or filled with page defined content in some circumstances. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to conduct URL spoofing attacks. (CVE-2016-1958) Looben Yang discovered an out-of-bounds read in Service Worker Manager. 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 with the privileges of the user invoking Firefox. (CVE-2016-1959) A use-after-free was discovered in the HTML5 string parser. 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 with the privileges of the user invoking Firefox. (CVE-2016-1960) A use-after-free was discovered in the SetBody function of HTMLDocument. 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 with the privileges of the user invoking Firefox. (CVE-2016-1961) Dominique Hazaël-Massieux discovered a use-after-free when using multiple WebRTC data channels. 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 with the privileges of the user invoking Firefox. (CVE-2016-1962) It was discovered that Firefox crashes when local files are modified whilst being read by the FileReader API. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to execute arbitrary code with the privileges of the user invoking Firefox. (CVE-2016-1963) Nicolas Grégoire discovered a use-after-free during XML transformations. 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 with the privileges of the user invoking Firefox. (CVE-2016-1964) Tsubasa Iinuma discovered a mechanism to cause the addressbar to display an incorrect URL, using history navigations and the Location protocol property. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to conduct URL spoofing attacks. (CVE-2016-1965) A memory corruption issues was discovered in the NPAPI subsystem. If a user were tricked in to opening a specially crafted website with a malicious plugin installed, 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-2016-1966) Jordi Chancel discovered a same-origin-policy bypass when using performance.getEntries and history navigation with session restore. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to steal confidential data. (CVE-2016-1967) Luke Li discovered a buffer overflow during Brotli decompression 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 with the privileges of the user invoking Firefox. (CVE-2016-1968) Ronald Crane discovered a use-after-free in GetStaticInstance in WebRTC. 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 with the privileges of the user invoking Firefox. (CVE-2016-1973) Ronald Crane discovered an out-of-bounds read following a failed allocation in the HTML parser 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 with the privileges of the user invoking Firefox. (CVE-2016-1974) Holger Fuhrmannek, Tyson Smith and Holger Fuhrmannek reported multiple memory safety issues in the Graphite 2 library. 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-2016-1977, CVE-2016-2790, CVE-2016-2791, CVE-2016-2792, CVE-2016-2793, CVE-2016-2794, CVE-2016-2795, CVE-2016-2796, CVE-2016-2797, CVE-2016-2798, CVE-2016-2799, CVE-2016-2800, CVE-2016-2801, CVE-2016-2802)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 15.10: firefox 45.0.2+build1-0ubuntu0.15.10.1
Ubuntu 14.04 LTS: firefox 45.0.2+build1-0ubuntu0.14.04.1
Ubuntu 12.04 LTS: firefox 45.0.2+build1-0ubuntu0.12.04.1
After a standard system update you need to restart Firefox to make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-2917-3 http://www.ubuntu.com/usn/usn-2917-1 https://launchpad.net/bugs/1572169
Package Information: https://launchpad.net/ubuntu/+source/firefox/45.0.2+build1-0ubuntu0.15.10.1 https://launchpad.net/ubuntu/+source/firefox/45.0.2+build1-0ubuntu0.14.04.1 https://launchpad.net/ubuntu/+source/firefox/45.0.2+build1-0ubuntu0.12.04.1
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