{"id":38443,"date":"2015-03-16T11:12:59","date_gmt":"2015-03-16T18:12:59","guid":{"rendered":"http:\/\/www.intego.com\/mac-security-blog\/?p=38443"},"modified":"2024-04-18T09:42:17","modified_gmt":"2024-04-18T16:42:17","slug":"iphone-pin-pass-code","status":"publish","type":"post","link":"https:\/\/www.intego.com\/mac-security-blog\/iphone-pin-pass-code\/","title":{"rendered":"This Black Box Can Brute Force Crack iPhone PIN Passcodes"},"content":{"rendered":"<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-38455\" src=\"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2015\/03\/iphone-box-600.jpeg\" alt=\"This black box can brute force crack iPhone PIN passcodes\" width=\"600\" height=\"300\" srcset=\"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2015\/03\/iphone-box-600.jpeg 600w, https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2015\/03\/iphone-box-600-150x75.jpeg 150w, https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2015\/03\/iphone-box-600-300x150.jpeg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><br \/>\nIf you don&#8217;t have time to read this whole blog post, do one thing for me okay?<\/p>\n<p>Change your iPhone password from a simple 4 digit numeric code to a longer, more advanced version, which can include letters and symbols as well as numbers.<\/p>\n<p>Done that? Good. Now go and watch <a title=\"Link to cat video\" href=\"https:\/\/www.youtube.com\/watch?v=bzvUyu3zOmE\" target=\"_blank\" rel=\"nofollow noopener\">some cat videos<\/a> on YouTube.<\/p>\n<p><img loading=\"lazy\" class=\"alignright size-full wp-image-38452\" src=\"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2015\/03\/ipbox-tool.jpeg\" alt=\"IP Box tool\" width=\"200\" height=\"173\" srcset=\"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2015\/03\/ipbox-tool.jpeg 200w, https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2015\/03\/ipbox-tool-150x129.jpeg 150w\" sizes=\"(max-width: 200px) 100vw, 200px\" \/>For the rest of you who are still with me, check out this fascinating <a title=\"Link to MDSec blog post\" href=\"https:\/\/web.archive.org\/web\/20151208013859\/http:\/\/blog.mdsec.co.uk\/2015\/03\/bruteforcing-ios-screenlock.html\" target=\"_blank\" rel=\"nofollow noopener\">blog post<\/a> by British security consultancy firm MDSec.<\/p>\n<p>The team at MDSec has highlighted the availability for purchase of a hardware tool, called IP Box, that can brute force crack the four digit password that most users have protecting their iPhones.<\/p>\n<p>Which means that if you wanted to break into someone else&#8217;s iPhone\u2014maybe because you&#8217;re a law-enforcement agency, or a jealous partner\u2014you could have the tools in your hand for less than \u00a3200.<\/p>\n<p>As the advertising blurb I read on one sales site describes, &#8220;Simply attach the device to the iPhone or iPad and it will give you the code within 6 seconds to 17 hours. You will then have full access to your iPhone\/iPad and all user data remains intact.&#8221;<\/p>\n<p>Here&#8217;s a <a title=\"Link to video\" href=\"https:\/\/www.youtube.com\/watch?v=meEyYFlSahk\" target=\"_blank\" rel=\"nofollow noopener\">YouTube video<\/a> (which gets interesting from about 30 seconds in, despite the lack of cats) demonstrating the hardware brute force attack in action, guessing the PIN code of an iPhone:<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/meEyYFlSahk?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation\"><\/iframe><\/span><\/p>\n<p>The device automates the tedious manual process of sequentially entering every passcode from 0000 to 9999, utilizing a USB connection and a light sensor to tell when the device has been successfully unlocked.<\/p>\n<p>What is interesting is that the MDSec researchers claim that the IP Box tool now works even if the iPhone or iPad&#8217;s owner has had the foresight to enable the &#8220;Erase Data After Ten Failed Passcode Attempts&#8221; security setting, by directly cutting off the iOS device&#8217;s power supply.<\/p>\n<blockquote><p>Our initial analysis indicates that the IP Box is able to bypass this restriction by connecting directly to the iPhone\u2019s power source and aggressively cutting the power after each failed PIN attempt, but before the attempt has been synchronized to flash memory. As such, each PIN entry takes approximately 40 seconds, meaning that it would take up to ~111 hours to bruteforce a 4 digit PIN.<\/p><\/blockquote>\n<p>The researchers speculate that this may be exploiting a vulnerability known as <a title=\"Link to CVE-2014-4451\" href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2014-4451\" target=\"_blank\" rel=\"nofollow noopener\">CVE-2014-4451<\/a> to attempt multiple different passcodes.<\/p>\n<p>That vulnerability, <a title=\"Link to Stuart Ryan's video\" href=\"https:\/\/www.youtube.com\/watch?v=2Bok9Zgas6g\" target=\"_blank\" rel=\"nofollow noopener\">found last year<\/a> by Stuart Ryan of University of Technology, Sydney, meant that iOS would not notice there had been incorrect PIN entered if the home button and power button were pressed almost immediately after a failed entry, not allowing the phone to remember\u2014and thus not increment\u2014the number of failed attempts.<\/p>\n<p>CVE-2014-4451 was <a title=\"Apple Thwarts Nine Security Flaws with iOS 8.1.1 Update\" href=\"https:\/\/www.intego.com\/mac-security-blog\/apple-thwarts-nine-security-flaws-with-ios-8-1-1-update\/\" target=\"_blank\" rel=\"noopener\">patched by Apple last year<\/a>, so if you are running the latest version of iOS you will hopefully be safe\u2014although the researchers still have to confirm that is the case.<\/p>\n<p>Nonetheless, you should take this as a wake-up call. A four-digit PIN code is never going to be as strong at protecting your iPhone or iPad as a longer, hard-to-guess password.<\/p>\n<p>Go to your passcode settings on your iOS device, and make sure that &#8220;Simple passcode&#8221; is disabled and set yourself an advanced password.<\/p>\n<p>It&#8217;s your choice whether you choose to set &#8220;Require password&#8221; to &#8220;Immediately,&#8221; but obviously that is the most secure option.<\/p>\n<p>With that done, you can now relax and join those other folks watching cat videos.<\/p>\n<p><strong>Further Reading<\/strong>:<\/p>\n<ul>\n<li><a title=\"How to Steal an iPhone\u2019s Passcode (from up to 150 feet away!)\" href=\"https:\/\/www.intego.com\/mac-security-blog\/steal-iphone-passcode\/\" target=\"_blank\" rel=\"noopener\">How to Steal an iPhone&#8217;s Passcode (from up to 150 feet away!)<\/a><\/li>\n<li><a href=\"https:\/\/www.intego.com\/mac-security-blog\/if-hackers-crack-a-six-digit-iphone-passcode-they-can-get-all-your-passwords\/\">If Hackers Crack a Six-Digit iPhone Passcode, They Can Get All Your Passwords<\/a><\/li>\n<li><a title=\"Want to Buy a Secondhand iPhone? Here\u2019s How to Check if it was Stolen\" href=\"https:\/\/www.intego.com\/mac-security-blog\/want-to-buy-a-secondhand-iphone-heres-how-to-check-if-it-was-stolen\/\" target=\"_blank\" rel=\"noopener\">Want to Buy a Secondhand iPhone? Here&#8217;s How to Check if it was Stolen<\/a><\/li>\n<li><a title=\"This Simple iPhone Case can be Used to Steal ATM PINs\" href=\"https:\/\/www.intego.com\/mac-security-blog\/iphone-case-atm-pins\/\" target=\"_blank\" rel=\"noopener\">This Simple iPhone Case can be Used to Steal ATM PINs<\/a><\/li>\n<\/ul>\n<h3>How can I learn more?<\/h3>\n<p><a href=\"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2021\/04\/intego-podcast-artwork-400.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img class=\"alignleft\" src=\"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2021\/04\/intego-podcast-artwork-400.jpg\" alt=\"\" width=\"80\" \/><\/a>Each week on the <a href=\"https:\/\/podcast.intego.com\/\" target=\"_blank\" rel=\"noopener\"><strong>Intego Mac Podcast<\/strong><\/a>, Intego&#8217;s Mac security experts discuss the latest Apple news, including security and privacy stories, and offer practical advice on getting the most out of your Apple devices. Be sure to <a href=\"https:\/\/podcasts.apple.com\/us\/podcast\/intego-mac-podcast\/id1293834627\" rel=\"noopener\"><strong>follow the podcast<\/strong><\/a> to make sure you don\u2019t miss any episodes.<\/p>\n<p>You can also subscribe to our <a href=\"https:\/\/www.intego.com\/mac-security-blog\/mac-security-newsletter\/\"><strong>e-mail newsletter<\/strong><\/a> and keep an eye here on <a href=\"https:\/\/www.intego.com\/mac-security-blog\"><strong>The Mac Security Blog<\/strong><\/a> for the latest Apple security and privacy news. And don&#8217;t forget to follow Intego on your favorite social media channels: <a href=\"https:\/\/twitter.com\/IntegoSecurity\" target=\"_blank\" rel=\"noopener\"><img style=\"border-width: 1px; border-style: solid; border-color: rgba(255, 255, 255, 0.2); border-radius: 8px;\" title=\"Follow Intego on Twitter\" src=\"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2021\/10\/Twitter-logo-icon-64.png\" alt=\"Follow Intego on Twitter\" width=\"16\" \/><\/a>\u00a0<a href=\"https:\/\/www.facebook.com\/Intego\" target=\"_blank\" rel=\"noopener\"><img style=\"border-width: 1px; border-style: solid; border-color: rgba(255, 255, 255, 0.2); border-radius: 8px;\" title=\"Follow Intego on Facebook\" src=\"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2021\/10\/Facebook-logo-icon-64.png\" alt=\"Follow Intego on Facebook\" width=\"16\" \/><\/a>\u00a0<a href=\"https:\/\/www.youtube.com\/user\/IntegoVideo?sub_confirmation=1\" target=\"_blank\" rel=\"noopener\"><img style=\"border-width: 1px; border-style: solid; border-color: rgba(0, 0, 0, 0.2); border-radius: 8px;\" title=\"Follow Intego on YouTube\" src=\"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2021\/10\/YouTube-logo-icon-64.png\" alt=\"Follow Intego on YouTube\" width=\"16\" \/><\/a>\u00a0<a href=\"https:\/\/www.pinterest.com\/intego\/\" target=\"_blank\" rel=\"noopener\"><img style=\"border-width: 1px; border-style: solid; border-color: rgba(0, 0, 0, 0.2); border-radius: 8px;\" title=\"Follow Intego on Pinterest\" src=\"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2021\/10\/Pinterest-logo-icon-64.png\" alt=\"Follow Intego on Pinterest\" width=\"16\" \/><\/a>\u00a0<a href=\"https:\/\/www.linkedin.com\/company\/intego\" target=\"_blank\" rel=\"noopener\"><img style=\"border-width: 1px; border-style: solid; border-color: rgba(255, 255, 255, 0.2); border-radius: 8px;\" title=\"Follow Intego on LinkedIn\" src=\"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2021\/10\/LinkedIn-logo-icon-64.png\" alt=\"Follow Intego on LinkedIn\" width=\"16\" \/><\/a>\u00a0<a href=\"https:\/\/www.instagram.com\/intego_security\/\" target=\"_blank\" rel=\"noopener\"><img style=\"border-width: 1px; border-style: solid; border-color: rgba(255, 255, 255, 0.2); border-radius: 8px;\" title=\"Follow Intego on Instagram\" src=\"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2021\/10\/Instagram-logo-icon-64.png\" alt=\"Follow Intego on Instagram\" width=\"16\" \/><\/a>\u00a0<a href=\"https:\/\/podcasts.apple.com\/us\/podcast\/intego-mac-podcast\/id1293834627\" target=\"_blank\" rel=\"noopener\"><img style=\"border-width: 1px; border-style: solid; border-color: rgba(255, 255, 255, 0.2); border-radius: 8px;\" title=\"Follow the Intego Mac Podcast on Apple Podcasts\" src=\"https:\/\/www.intego.com\/mac-security-blog\/wp-content\/uploads\/2017\/10\/ios9-podcasts-app-tile.png\" alt=\"Follow the Intego Mac Podcast on Apple Podcasts\" width=\"16\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This gadget is going to be loved by jealous snooping partners, and law enforcement alike.<\/p>\n<p>Make sure you have an advanced password on your iOS device to protect against attacks like this.<\/p>\n","protected":false},"author":34,"featured_media":38470,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false},"categories":[13],"tags":[2056,69,259,1414],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"description\" content=\"This gadget is going to be loved by jealous snooping partners, and law enforcement alike.  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