{"id":14262,"date":"2016-04-25T13:43:36","date_gmt":"2016-04-25T17:43:36","guid":{"rendered":"http:\/\/mjtsai.com\/blog\/?p=14262"},"modified":"2016-04-25T13:43:36","modified_gmt":"2016-04-25T17:43:36","slug":"short-urls-considered-harmful-for-cloud-services","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2016\/04\/25\/short-urls-considered-harmful-for-cloud-services\/","title":{"rendered":"Short URLs Considered Harmful for Cloud Services"},"content":{"rendered":"<p><a href=\"https:\/\/freedom-to-tinker.com\/blog\/vitaly\/gone-in-six-characters-short-urls-considered-harmful-for-cloud-services\/\">Vitaly Shmatikov<\/a> (via <a href=\"https:\/\/www.schneier.com\/blog\/archives\/2016\/04\/security_risks_11.html\">Bruce Schneier<\/a>):<\/p>\n<blockquote cite=\"https:\/\/freedom-to-tinker.com\/blog\/vitaly\/gone-in-six-characters-short-urls-considered-harmful-for-cloud-services\/\"><p>Short URLs produced by bit.ly, goo.gl, and similar services are so short that they can be scanned by brute force. &nbsp;Our scan discovered a large number of Microsoft&nbsp;OneDrive accounts with private documents. &nbsp;Many of these accounts are&nbsp;unlocked and allow&nbsp;anyone to inject malware that will be automatically downloaded to users&rsquo; devices. &nbsp;We also discovered many driving&nbsp;directions that reveal sensitive information for&nbsp;identifiable individuals, including their visits to specialized medical facilities, prisons, and adult establishments.<\/p><\/blockquote>\n\n<p><a href=\"http:\/\/pxlnv.com\/linklog\/researchers-brute-force-shortened-links\/\">Nick Heer<\/a>:<\/p>\n<blockquote cite=\"http:\/\/pxlnv.com\/linklog\/researchers-brute-force-shortened-links\/\">\n<p>At any rate, the owners of the services in question quickly modified their code so that short links couldn&rsquo;t be brute-forced or automatically crawled, and measures were put in place to limit access rates on any particular link.<\/p>\n<p>This stuff was solved <em>years<\/em> ago on services built by a single developer. This shouldn&rsquo;t be an issue at large companies like Google and Microsoft.<\/p>\n<\/blockquote>","protected":false},"excerpt":{"rendered":"<p>Vitaly Shmatikov (via Bruce Schneier): Short URLs produced by bit.ly, goo.gl, and similar services are so short that they can be scanned by brute force. &nbsp;Our scan discovered a large number of Microsoft&nbsp;OneDrive accounts with private documents. &nbsp;Many of these accounts are&nbsp;unlocked and allow&nbsp;anyone to inject malware that will be automatically downloaded to users&rsquo; devices. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"apple_news_api_created_at":"","apple_news_api_id":"","apple_news_api_modified_at":"","apple_news_api_revision":"","apple_news_api_share_url":"","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":"\"\"","apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[2],"tags":[48,96],"class_list":["post-14262","post","type-post","status-publish","format-standard","hentry","category-technology","tag-security","tag-web"],"apple_news_notices":[],"_links":{"self":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/14262","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/comments?post=14262"}],"version-history":[{"count":1,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/14262\/revisions"}],"predecessor-version":[{"id":14263,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/14262\/revisions\/14263"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=14262"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=14262"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=14262"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}