{"id":32810,"date":"2019-09-06T21:54:40","date_gmt":"2019-09-06T12:54:40","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-4124-1-exim-vulnerability\/"},"modified":"2019-09-06T23:34:12","modified_gmt":"2019-09-06T14:34:12","slug":"usn-4124-1-exim-vulnerability","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-4124-1-exim-vulnerability\/","title":{"rendered":"USN-4124-1: Exim vulnerability"},"content":{"rendered":"<p>USN-4124-1: Exim vulnerability<\/p>\n<h2 id=\"exim4-vulnerability\">exim4 vulnerability<\/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<\/ul>\n<h3 id=\"summary\">Summary<\/h3>\n<p>Exim could be made to run programs as an administrator if it received<br \/>\nspecially crafted network traffic.<\/p>\n<h3 id=\"software-description\">Software Description<\/h3>\n<ul>\n<li>exim4 &#8211; Exim is a mail transport agent<\/li>\n<\/ul>\n<h3 id=\"details\">Details<\/h3>\n<p>It was discovered that Exim incorrectly handled certain decoding<br \/>\noperations. A remote attacker could possibly use this issue to execute<br \/>\narbitrary commands.<\/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\/exim4\">exim4-daemon-heavy<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/exim4\/4.92-4ubuntu1.3\">4.92-4ubuntu1.3<\/a><\/dd>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/exim4\">exim4-daemon-light<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/exim4\/4.92-4ubuntu1.3\">4.92-4ubuntu1.3<\/a><\/dd>\n<dt>Ubuntu 18.04 LTS<\/dt>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/exim4\">exim4-daemon-heavy<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/exim4\/4.90.1-1ubuntu1.4\">4.90.1-1ubuntu1.4<\/a><\/dd>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/exim4\">exim4-daemon-light<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/exim4\/4.90.1-1ubuntu1.4\">4.90.1-1ubuntu1.4<\/a><\/dd>\n<dt>Ubuntu 16.04 LTS<\/dt>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/exim4\">exim4-daemon-heavy<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/exim4\/4.86.2-2ubuntu2.5\">4.86.2-2ubuntu2.5<\/a><\/dd>\n<dd><a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/exim4\">exim4-daemon-light<\/a> &#8211; <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/exim4\/4.86.2-2ubuntu2.5\">4.86.2-2ubuntu2.5<\/a><\/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-2019-15846\">CVE-2019-15846<\/a><\/li>\n<li><a href=\"https:\/\/launchpad.net\/bugs\/1843041\">LP: 1843041<\/a><\/li>\n<\/ul>\n<p>Source: <a href=\"https:\/\/usn.ubuntu.com\/4124-1\/\" target=\"_blank\" rel=\"noopener noreferrer\">USN-4124-1: Exim vulnerability<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>USN-4124-1: Exim vulnerability exim4 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Exim could be made to run programs as an administrator if it received specially crafted network traffic. Software Description exim4 &#8211; Exim is a mail transport agent Details It was discovered that Exim incorrectly handled certain decoding operations. A remote attacker could possibly use this issue to execute arbitrary commands. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 exim4-daemon-heavy &#8211; 4.92-4ubuntu1.3 exim4-daemon-light &#8211; 4.92-4ubuntu1.3 Ubuntu 18.04 LTS exim4-daemon-heavy &#8211; 4.90.1-1ubuntu1.4 exim4-daemon-light &#8211; 4.90.1-1ubuntu1.4 Ubuntu 16.04 LTS exim4-daemon-heavy &#8211; 4.86.2-2ubuntu2.5 exim4-daemon-light &#8211; 4.86.2-2ubuntu2.5 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-2019-15846 <a class=\"mh-excerpt-more\" href=\"https:\/\/jirak.net\/wp\/usn-4124-1-exim-vulnerability\/\" title=\"USN-4124-1: Exim vulnerability\">[ 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-32810","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\/32810","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=32810"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/32810\/revisions"}],"predecessor-version":[{"id":32811,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/32810\/revisions\/32811"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=32810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=32810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=32810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}