{"id":19469,"date":"2017-10-05T06:34:20","date_gmt":"2017-10-04T21:34:20","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-3435-2-firefox-regression\/"},"modified":"2017-10-05T06:34:20","modified_gmt":"2017-10-04T21:34:20","slug":"usn-3435-2-firefox-regression","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-3435-2-firefox-regression\/","title":{"rendered":"USN-3435-2: Firefox regression"},"content":{"rendered":"<p>USN-3435-2: Firefox regression<\/p>\n<h2>Ubuntu Security Notice USN-3435-2<\/h2>\n<p><em>4th October, 2017<\/em><\/p>\n<h3>firefox regression<\/h3>\n<p>A security issue affects these releases of Ubuntu and its<br \/>\n    derivatives:<\/p>\n<ul>\n<li>Ubuntu 17.04<\/li>\n<li>Ubuntu 16.04 LTS<\/li>\n<li>Ubuntu 14.04 LTS<\/li>\n<\/ul>\n<h3>Summary<\/h3>\n<p>USN-3435-1 caused a regression in Firefox.\n<\/p>\n<h3>Software description<\/h3>\n<ul>\n<li>firefox<br \/>\n    &#8211; Mozilla Open Source web browser<\/p>\n<\/li>\n<\/ul>\n<h3>Details<\/h3>\n<p>USN-3435-1 fixed vulnerabilities in Firefox. The update caused the Flash<br \/>plugin to crash in some circumstances. This update fixes the problem.<\/p>\n<p>We apologize for the inconvenience.<\/p>\n<p>Original advisory details:<\/p>\n<p> Multiple security issues were discovered in Firefox. If a user were<br \/> tricked in to opening a specially crafted website, an attacker could<br \/> potentially exploit these to read uninitialized memory, obtain sensitive<br \/> information, bypass phishing and malware protection, spoof the origin in<br \/> modal dialogs, conduct cross-site scripting (XSS) attacks, cause a denial<br \/> of service via application crash, or execute arbitrary code.<br \/> (<a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7793\">CVE-2017-7793<\/a>, <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7810\">CVE-2017-7810<\/a>, <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7811\">CVE-2017-7811<\/a>, <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7812\">CVE-2017-7812<\/a>,<br \/> <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7813\">CVE-2017-7813<\/a>, <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7814\">CVE-2017-7814<\/a>, <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7815\">CVE-2017-7815<\/a>, <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7818\">CVE-2017-7818<\/a>, <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7819\">CVE-2017-7819<\/a>,<br \/> <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7820\">CVE-2017-7820<\/a>, <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7822\">CVE-2017-7822<\/a>, <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7823\">CVE-2017-7823<\/a>, <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7824\">CVE-2017-7824<\/a>)<\/p>\n<p> Martin Thomson discovered that NSS incorrectly generated handshake hashes.<br \/> A remote attacker could potentially exploit this to cause a denial of<br \/> service via application crash, or execute arbitrary code. (<a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7805\">CVE-2017-7805<\/a>)<\/p>\n<p> Multiple security issues were discovered in WebExtensions. If a user were<br \/> tricked in to installing a specially crafted extension, an attacker could<br \/> potentially exploit these to download and open non-executable files<br \/> without interaction, or obtain elevated privileges. (<a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7816\">CVE-2017-7816<\/a>,<br \/> <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2017-7821\">CVE-2017-7821<\/a>)<\/p>\n<h3>Update instructions<\/h3>\n<p> The problem can be corrected by updating your system to the following<br \/>\npackage version:<\/p>\n<dl>\n<dt>Ubuntu 17.04:<\/dt>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/firefox\">firefox<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/firefox\/56.0+build6-0ubuntu0.17.04.2\">56.0+build6-0ubuntu0.17.04.2<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dt>Ubuntu 16.04 LTS:<\/dt>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/firefox\">firefox<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/firefox\/56.0+build6-0ubuntu0.16.04.2\">56.0+build6-0ubuntu0.16.04.2<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dt>Ubuntu 14.04 LTS:<\/dt>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/firefox\">firefox<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/firefox\/56.0+build6-0ubuntu0.14.04.2\">56.0+build6-0ubuntu0.14.04.2<\/a><br \/>\n    <\/span>\n  <\/dd>\n<\/dl>\n<p>To update your system, please follow these instructions:<br \/>\n<a href=\"https:\/\/wiki.ubuntu.com\/Security\/Upgrades\">https:\/\/wiki.ubuntu.com\/Security\/Upgrades<\/a>.\n<\/p>\n<p>After a standard system update you need to restart Firefox to make<br \/>all the necessary changes.<\/p>\n<h3>References<\/h3>\n<p>        <a href=\"https:\/\/launchpad.net\/bugs\/1720908\">LP: 1720908<\/a><\/p>\n<p>Source: <a href=\"http:\/\/www.ubuntu.com\/usn\/usn-3435-2\/\" target=\"_blank\">USN-3435-2: Firefox regression<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>USN-3435-2: Firefox regression Ubuntu Security Notice USN-3435-2 4th October, 2017 firefox regression A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.04 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary USN-3435-1 caused a regression in Firefox. Software description firefox &#8211; Mozilla Open Source web browser Details USN-3435-1 fixed vulnerabilities in Firefox. The update caused the Flashplugin to crash in some circumstances. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to read uninitialized memory, obtain sensitive information, bypass phishing and malware protection, spoof the origin in modal dialogs, conduct cross-site scripting (XSS) attacks, cause a denial of service via application crash, or execute arbitrary code. (CVE-2017-7793, CVE-2017-7810, CVE-2017-7811, CVE-2017-7812, <a class=\"mh-excerpt-more\" href=\"https:\/\/jirak.net\/wp\/usn-3435-2-firefox-regression\/\" title=\"USN-3435-2: Firefox regression\">[ more&#8230; ]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[586],"tags":[587],"class_list":["post-19469","post","type-post","status-publish","format-standard","hentry","category-ubuntu-usn","tag-ubuntu-usn"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/19469","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/comments?post=19469"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/19469\/revisions"}],"predecessor-version":[{"id":19470,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/19469\/revisions\/19470"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=19469"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=19469"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=19469"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}