{"id":13796,"date":"2017-02-07T05:34:53","date_gmt":"2017-02-06T20:34:53","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-3193-1-nettle-vulnerability\/"},"modified":"2017-02-07T05:34:54","modified_gmt":"2017-02-06T20:34:54","slug":"usn-3193-1-nettle-vulnerability","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-3193-1-nettle-vulnerability\/","title":{"rendered":"USN-3193-1: Nettle vulnerability"},"content":{"rendered":"<p>USN-3193-1: Nettle vulnerability<\/p>\n<h2>Ubuntu Security Notice USN-3193-1<\/h2>\n<p><em>6th February, 2017<\/em><\/p>\n<h3>nettle vulnerability<\/h3>\n<p>A security issue affects these releases of Ubuntu and its<br \/>\n    derivatives:<\/p>\n<ul>\n<li>Ubuntu 16.10<\/li>\n<li>Ubuntu 16.04 LTS<\/li>\n<li>Ubuntu 14.04 LTS<\/li>\n<li>Ubuntu 12.04 LTS<\/li>\n<\/ul>\n<h3>Summary<\/h3>\n<p>Nettle could be made to expose sensitive information over the network.\n<\/p>\n<h3>Software description<\/h3>\n<ul>\n<li>nettle<br \/>\n    &#8211; low level cryptographic library (public-key cryptos)<\/p>\n<\/li>\n<\/ul>\n<h3>Details<\/h3>\n<p>It was discovered that Nettle incorrectly mitigated certain timing<br \/>side-channel attacks. A remote attacker could possibly use this flaw to<br \/>recover private keys.<\/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 16.10:<\/dt>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/nettle\">libnettle6<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/nettle\/3.2-1ubuntu0.16.10.1\">3.2-1ubuntu0.16.10.1<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dt>Ubuntu 16.04 LTS:<\/dt>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/nettle\">libnettle6<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/nettle\/3.2-1ubuntu0.16.04.1\">3.2-1ubuntu0.16.04.1<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dt>Ubuntu 14.04 LTS:<\/dt>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/nettle\">libnettle4<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/nettle\/2.7.1-1ubuntu0.2\">2.7.1-1ubuntu0.2<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dt>Ubuntu 12.04 LTS:<\/dt>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/nettle\">libnettle4<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/nettle\/2.4-1ubuntu0.1\">2.4-1ubuntu0.1<\/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>In general, a standard system update will make all the necessary changes.<\/p>\n<h3>References<\/h3>\n<p>        <a href=\"http:\/\/people.ubuntu.com\/~ubuntu-security\/cve\/CVE-2016-6489\">CVE-2016-6489<\/a><\/p>\n<p>Source: <a href=\"http:\/\/www.ubuntu.com\/usn\/usn-3193-1\/\" target=\"_blank\">USN-3193-1: Nettle vulnerability<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>USN-3193-1: Nettle vulnerability Ubuntu Security Notice USN-3193-1 6th February, 2017 nettle vulnerability 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 Nettle could be made to expose sensitive information over the network. Software description nettle &#8211; low level cryptographic library (public-key cryptos) Details It was discovered that Nettle incorrectly mitigated certain timingside-channel attacks. A remote attacker could possibly use this flaw torecover private keys. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.10: libnettle6 3.2-1ubuntu0.16.10.1 Ubuntu 16.04 LTS: libnettle6 3.2-1ubuntu0.16.04.1 Ubuntu 14.04 LTS: libnettle4 2.7.1-1ubuntu0.2 Ubuntu 12.04 LTS: libnettle4 2.4-1ubuntu0.1 To update your system, please follow these instructions: https:\/\/wiki.ubuntu.com\/Security\/Upgrades. In general, a standard system update will make all the necessary changes. References CVE-2016-6489 Source: USN-3193-1: Nettle vulnerability<\/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-13796","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\/13796","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=13796"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/13796\/revisions"}],"predecessor-version":[{"id":13797,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/13796\/revisions\/13797"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=13796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=13796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=13796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}