{"id":35124,"date":"2020-01-21T00:24:14","date_gmt":"2020-01-20T15:24:14","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-4243-1-libbsd-vulnerabilities\/"},"modified":"2020-01-21T09:34:17","modified_gmt":"2020-01-21T00:34:17","slug":"usn-4243-1-libbsd-vulnerabilities","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-4243-1-libbsd-vulnerabilities\/","title":{"rendered":"USN-4243-1: libbsd vulnerabilities"},"content":{"rendered":"<p>USN-4243-1: libbsd vulnerabilities<\/p>\n<h2 id=\"libbsd-vulnerabilities\">libbsd vulnerabilities<\/h2>\n<p>A security issue affects these releases of Ubuntu and its derivatives:<\/p>\n<ul>\n<li>Ubuntu 19.04<\/li>\n<li>Ubuntu 18.04 LTS<\/li>\n<li>Ubuntu 16.04 LTS<\/li>\n<li>Ubuntu 14.04 ESM<\/li>\n<li>Ubuntu 12.04 ESM<\/li>\n<\/ul>\n<h3 id=\"summary\">Summary<\/h3>\n<p>Several security issues were fixed in libbsd.<\/p>\n<h3 id=\"software-description\">Software Description<\/h3>\n<ul>\n<li>libbsd &#8211; utility functions from BSD systems &#8211; development files<\/li>\n<\/ul>\n<h3 id=\"details\">Details<\/h3>\n<p>It was discovered that libbsd incorrectly handled certain inputs.<br \/>\nAn attacker could possibly use this issue to execute arbitrary code.<br \/>\nThis issue only affected Ubuntu 14.04 ESM. (CVE-2016-2090)<\/p>\n<p>It was discovered that libbsd incorrectly handled certain strings.<br \/>\nAn attacker could possibly use this issue to access sensitive information.<br \/>\n(CVE-2019-20367)<\/p>\n<h2 id=\"update-instructions\">Update instructions<\/h2>\n<p>The problem can be corrected by updating your system to the following package versions:<\/p>\n<dl>\n<dt>Ubuntu 19.04<\/dt>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/libbsd\">libbsd0<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/libbsd\/0.9.1-2ubuntu0.1\">0.9.1-2ubuntu0.1<\/a><\/dd>\n<dt>Ubuntu 18.04 LTS<\/dt>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/libbsd\">libbsd0<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/libbsd\/0.8.7-1ubuntu0.1\">0.8.7-1ubuntu0.1<\/a><\/dd>\n<dt>Ubuntu 16.04 LTS<\/dt>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/libbsd\">libbsd0<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/libbsd\/0.8.2-1ubuntu0.1\">0.8.2-1ubuntu0.1<\/a><\/dd>\n<dt>Ubuntu 14.04 ESM<\/dt>\n<dd>libbsd0 &#8211; 0.6.0-2ubuntu1+esm1<\/dd>\n<dt>Ubuntu 12.04 ESM<\/dt>\n<dd>libbsd0 &#8211; 0.3.0-2ubuntu0.1<\/dd>\n<\/dl>\n<p>To update your system, please follow these instructions: <a href=\"https:\/\/wiki.ubuntu.com\/Security\/Upgrades\">https:\/\/wiki.ubuntu.com\/Security\/Upgrades<\/a>.<\/p>\n<p>In general, a standard system update will make all the necessary changes.<\/p>\n<h2 id=\"references\">References<\/h2>\n<ul>\n<li><a href=\"https:\/\/people.canonical.com\/~ubuntu-security\/cve\/CVE-2016-2090\">CVE-2016-2090<\/a><\/li>\n<li><a href=\"https:\/\/people.canonical.com\/~ubuntu-security\/cve\/CVE-2019-20367\">CVE-2019-20367<\/a><\/li>\n<\/ul>\n<p>Source: <a href=\"https:\/\/usn.ubuntu.com\/4243-1\/\" target=\"_blank\" rel=\"noopener noreferrer\">USN-4243-1: libbsd vulnerabilities<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>USN-4243-1: libbsd vulnerabilities libbsd vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 ESM Ubuntu 12.04 ESM Summary Several security issues were fixed in libbsd. Software Description libbsd &#8211; utility functions from BSD systems &#8211; development files Details It was discovered that libbsd incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 ESM. (CVE-2016-2090) It was discovered that libbsd incorrectly handled certain strings. An attacker could possibly use this issue to access sensitive information. (CVE-2019-20367) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 libbsd0 &#8211; 0.9.1-2ubuntu0.1 Ubuntu 18.04 LTS libbsd0 &#8211; 0.8.7-1ubuntu0.1 Ubuntu 16.04 LTS libbsd0 &#8211; 0.8.2-1ubuntu0.1 Ubuntu 14.04 ESM libbsd0 &#8211; 0.6.0-2ubuntu1+esm1 Ubuntu <a class=\"mh-excerpt-more\" href=\"https:\/\/jirak.net\/wp\/usn-4243-1-libbsd-vulnerabilities\/\" title=\"USN-4243-1: libbsd vulnerabilities\">[ 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-35124","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\/35124","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=35124"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/35124\/revisions"}],"predecessor-version":[{"id":35125,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/35124\/revisions\/35125"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=35124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=35124"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=35124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}