{"id":15186,"date":"2017-03-31T03:34:21","date_gmt":"2017-03-30T18:34:21","guid":{"rendered":"https:\/\/jirak.net\/wp\/usn-3242-2-samba-regression\/"},"modified":"2017-03-31T03:34:21","modified_gmt":"2017-03-30T18:34:21","slug":"usn-3242-2-samba-regression","status":"publish","type":"post","link":"https:\/\/jirak.net\/wp\/usn-3242-2-samba-regression\/","title":{"rendered":"USN-3242-2: Samba regression"},"content":{"rendered":"<p>USN-3242-2: Samba regression<\/p>\n<h2>Ubuntu Security Notice USN-3242-2<\/h2>\n<p><em>30th March, 2017<\/em><\/p>\n<h3>samba regression<\/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>USN-3242-1 introduced a regression in Samba.\n<\/p>\n<h3>Software description<\/h3>\n<ul>\n<li>samba<br \/>\n    &#8211; SMB\/CIFS file, print, and login server for Unix<\/p>\n<\/li>\n<\/ul>\n<h3>Details<\/h3>\n<p>USN-3242-1 fixed a vulnerability in Samba. The upstream fix introduced a<br \/>regression when Samba is configured to disable following symbolic links.<\/p>\n<p>This update fixes the problem.<\/p>\n<p>Original advisory details:<\/p>\n<p> Jann Horn discovered that Samba incorrectly handled symlinks. An<br \/> authenticated remote attacker could use this issue to access files on the<br \/> server outside of the exported directories.<\/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\/samba\">samba<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/samba\/2:4.4.5+dfsg-2ubuntu5.5\">2:4.4.5+dfsg-2ubuntu5.5<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dt>Ubuntu 16.04 LTS:<\/dt>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/samba\">samba<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/samba\/2:4.3.11+dfsg-0ubuntu0.16.04.6\">2:4.3.11+dfsg-0ubuntu0.16.04.6<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dt>Ubuntu 14.04 LTS:<\/dt>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/samba\">samba<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/samba\/2:4.3.11+dfsg-0ubuntu0.14.04.7\">2:4.3.11+dfsg-0ubuntu0.14.04.7<\/a><br \/>\n    <\/span>\n  <\/dd>\n<dt>Ubuntu 12.04 LTS:<\/dt>\n<dd>\n    <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/samba\">samba<\/a><br \/>\n    <span><br \/>\n        <a href=\"https:\/\/launchpad.net\/ubuntu\/+source\/samba\/2:3.6.25-0ubuntu0.12.04.10\">2:3.6.25-0ubuntu0.12.04.10<\/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=\"https:\/\/launchpad.net\/bugs\/1675698\">LP: 1675698<\/a><\/p>\n<p>Source: <a href=\"http:\/\/www.ubuntu.com\/usn\/usn-3242-2\/\" target=\"_blank\">USN-3242-2: Samba regression<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>USN-3242-2: Samba regression Ubuntu Security Notice USN-3242-2 30th March, 2017 samba regression 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 USN-3242-1 introduced a regression in Samba. Software description samba &#8211; SMB\/CIFS file, print, and login server for Unix Details USN-3242-1 fixed a vulnerability in Samba. The upstream fix introduced aregression when Samba is configured to disable following symbolic links. This update fixes the problem. Original advisory details: Jann Horn discovered that Samba incorrectly handled symlinks. An authenticated remote attacker could use this issue to access files on the server outside of the exported directories. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 16.10: samba 2:4.4.5+dfsg-2ubuntu5.5 Ubuntu 16.04 LTS: samba 2:4.3.11+dfsg-0ubuntu0.16.04.6 Ubuntu 14.04 LTS: samba 2:4.3.11+dfsg-0ubuntu0.14.04.7 Ubuntu <a class=\"mh-excerpt-more\" href=\"https:\/\/jirak.net\/wp\/usn-3242-2-samba-regression\/\" title=\"USN-3242-2: Samba 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-15186","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\/15186","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=15186"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/15186\/revisions"}],"predecessor-version":[{"id":15187,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/15186\/revisions\/15187"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=15186"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=15186"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=15186"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}