{"id":495,"date":"2008-12-23T23:55:34","date_gmt":"2008-12-23T22:55:34","guid":{"rendered":"http:\/\/daniel.haxx.se\/blog\/?p=495"},"modified":"2008-12-24T00:42:54","modified_gmt":"2008-12-23T23:42:54","slug":"ssl-certs-crash-without-trust","status":"publish","type":"post","link":"https:\/\/daniel.haxx.se\/blog\/2008\/12\/23\/ssl-certs-crash-without-trust\/","title":{"rendered":"SSL certs crash without trust"},"content":{"rendered":"<p>Eddy Nigg found out and <a href=\"https:\/\/blog.startcom.org\/?p=145\">blogged<\/a> about how he could buy SSL certificates for a domain he clearly doesn&#8217;t own nor control. The cert is certified by <a href=\"http:\/\/www.comodo.com\/\">Comodo<\/a> who apparently has outsourced (parts of) there cert business to a separate company who obviously does very little or perhaps no verification at all of the buyers.<\/p>\n<p>As a result, buyers could buy certificates from there for just about any domain\/site name, and Comodo being a trusted <a href=\"http:\/\/en.wikipedia.org\/wiki\/Certificate_authority\">CA<\/a> in at least <a href=\"http:\/\/www.mozilla.com\/en-US\/firefox\/\">Firefox<\/a> would thus make it <strong>a lot<\/strong> easier for phishers and other cyber-style criminals to setup fraudulent sites that even get the padlock in Firefox and looks almost perfectly legitimate!<\/p>\n<p>The question is now what Mozilla should do. What Firefox users should expect their browser to do when HTTPS sites use Comodo-verified certs and how Comodo and their resellers are going to deal with everything&#8230;<\/p>\n<p>Read the scary thread on the <a href=\"http:\/\/groups.google.com\/group\/mozilla.dev.tech.crypto\/browse_thread\/thread\/9c0cc829204487bf#\">mozilla dev-tech-crypto<\/a> list.<\/p>\n<p><strong>Update<\/strong>: if you&#8217;re on the paranoid\/safe side you can <a href=\"http:\/\/groups.google.com\/group\/mozilla.dev.tech.crypto\/msg\/237eb8b6df7d987b\">disable trusting their certificates<\/a> by doing this:<\/p>\n<blockquote><p>Select Preferences -&gt; Advanced -&gt; View Certificates -&gt; Authorities. Search for<br \/>\nAddTrust AB -&gt; AddTrust External CA Root and click &#8220;Edit&#8221;. Remove all Flags.<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Eddy Nigg found out and blogged about how he could buy SSL certificates for a domain he clearly doesn&#8217;t own nor control. The cert is certified by Comodo who apparently has outsourced (parts of) there cert business to a separate company who obviously does very little or perhaps no verification at all of the buyers. &hellip; <a href=\"https:\/\/daniel.haxx.se\/blog\/2008\/12\/23\/ssl-certs-crash-without-trust\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">SSL certs crash without trust<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,5,6,133],"tags":[86,425,44,428,43],"class_list":["post-495","post","type-post","status-publish","format-standard","hentry","category-development","category-it-politics","category-floss","category-security","tag-firefox","tag-mozilla","tag-nss","tag-security","tag-ssl"],"_links":{"self":[{"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/posts\/495","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/comments?post=495"}],"version-history":[{"count":0,"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/posts\/495\/revisions"}],"wp:attachment":[{"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/media?parent=495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/categories?post=495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/daniel.haxx.se\/blog\/wp-json\/wp\/v2\/tags?post=495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}