{"id":5746,"date":"2020-02-26T11:57:12","date_gmt":"2020-02-26T03:57:12","guid":{"rendered":"https:\/\/version-2.com\/?p=5746"},"modified":"2020-11-04T13:23:12","modified_gmt":"2020-11-04T05:23:12","slug":"eset-discovers-kr00k-communications-of-a-billion-devices-were-at-risk","status":"publish","type":"post","link":"https:\/\/version-2.com\/en\/2020\/02\/eset-discovers-kr00k-communications-of-a-billion-devices-were-at-risk\/","title":{"rendered":"ESET discovers Kr00K: Communications of a billion+ devices were at risk"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"5746\" class=\"elementor elementor-5746\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2fc049dd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2fc049dd\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[{&quot;jet_parallax_layout_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;_id&quot;:&quot;98584cd&quot;,&quot;jet_parallax_layout_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_speed&quot;:{&quot;unit&quot;:&quot;%&quot;,&quot;size&quot;:50,&quot;sizes&quot;:[]},&quot;jet_parallax_layout_type&quot;:&quot;scroll&quot;,&quot;jet_parallax_layout_direction&quot;:&quot;1&quot;,&quot;jet_parallax_layout_fx_direction&quot;:null,&quot;jet_parallax_layout_z_index&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x&quot;:50,&quot;jet_parallax_layout_bg_y&quot;:50,&quot;jet_parallax_layout_bg_size&quot;:&quot;auto&quot;,&quot;jet_parallax_layout_animation_prop&quot;:&quot;transform&quot;,&quot;jet_parallax_layout_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;],&quot;jet_parallax_layout_bg_x_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_mobile&quot;:&quot;&quot;}]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1ee04d7d\" data-id=\"1ee04d7d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e6434a0 elementor-widget elementor-widget-text-editor\" data-id=\"e6434a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>BRATISLAVA, SAN FRANCISCO \u2013 February 26, 2020<\/b> \u2013 ESET researchers have discovered Kr00k (CVE-2019-15126), a previously unknown vulnerability in Wi-Fi chips used in many client devices, Wi-Fi access points and routers.\n<\/p>\n<p>\nKr00k is a vulnerability that causes the network communication of an affected device to be encrypted with an all-zero encryption key. In a successful attack, this allows an adversary to decrypt wireless network packets.\n<\/p>\n<p>\nThe discovery of Kr00k follows previous ESET <a href=\"https:\/\/www.welivesecurity.com\/2019\/10\/17\/alexa-how-amazon-echo-kindle-got-kracked\/\" target=\"_blank\" rel=\"noopener\">research <\/a>into the Amazon Echo being vulnerable to KRACKs (Key Reinstallation Attacks). Kr00k is related to KRACK, but is also fundamentally different. During the investigation into KRACK, ESET researchers identified Kr00k as one of the causes behind the \u201creinstallation\u201d of an all-zero encryption key observed in tests for KRACK attacks. Subsequent to our research, most major device manufacturers have released patches.\n<\/p>\n<p>\nKr00k is particularly dangerous because it has affected over a billion Wi-Fi enabled devices \u2013 a conservative estimate.\n<\/p>\n<p>\nESET will publicly present its research into this vulnerability for the first time on February 26 at the <a href=\"https:\/\/www.rsaconference.com\/usa\/agenda\/kr00k-how-kracking-amazon-echo-exposed-a-billion-vulnerable-wifi-devices\" target=\"_blank\" rel=\"noopener\">RSA Conference 2020<\/a>.\n<\/p>\n<p>\nKr00k affects all devices with Broadcom and Cypress Wi-Fi chips that remain unpatched. These are the most common Wi-Fi chips used in today&#8217;s client devices. Wi-Fi access points and routers are also affected by the vulnerability, making even environments with patched client devices vulnerable. ESET tested and confirmed that among the vulnerable devices were client devices by Amazon (Echo, Kindle), Apple (iPhone, iPad, MacBook), Google (Nexus), Samsung (Galaxy), Raspberry (Pi 3) and Xiaomi (Redmi), as well as access points by Asus and Huawei.\n<\/p>\n<p>\nESET responsibly disclosed the vulnerability to the chip manufacturers Broadcom and Cypress, who subsequently released patches. We also worked with the Industry Consortium for Advancement of Security on the Internet (ICASI) to ensure that all possibly affected parties \u2013 including affected device manufacturers using the vulnerable chips, as well as other possibly affected chip manufacturers \u2013 were aware of Kr00k. According to our information, devices by major manufacturers have now been patched.\n<\/p>\n<p>\n\u201cKr00k manifests itself after Wi-Fi disassociations \u2013 which can happen naturally, for example due to a weak Wi-Fi signal, or may be manually triggered by an attacker. If an attack is successful, several kilobytes of potentially sensitive information can be exposed,\u201d explains Milo\u0161 \u010cerm\u00e1k, the lead ESET researcher into the Kr00k vulnerability. \u201cBy repeatedly triggering disassociations, the attacker can capture a number of network packets with potentially sensitive data,\u201d he adds.\n<\/p>\n<p><\/p>\n<p>Figure: An active attacker can trigger disassociations to capture and decrypt data.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.version-2.com.sg\/images\/csm_Kr00k_lg_594bc414c2.png\" alt=\"\" width=\"720px\" style=\"padding-top:20px; padding-bottom:20px;\"><br><\/p>\n<p>\u201cTo protect yourself, as a user, make sure you have updated all your Wi-Fi capable devices, including phones, tablets, laptops, IoT smart devices, and Wi-Fi access points and routers, to the latest firmware version,\u201d advises Robert Lipovsk\u00fd, an ESET researcher working with the Kr00k vulnerability research team. \u201cOf great concern is that not only client devices, but also Wi-Fi access points and routers that have been affected by Kr00k. This greatly increases the attack surface, as an adversary can decrypt data that was transmitted by a vulnerable access point, which is often beyond your control, to your device, which doesn\u2019t have to be vulnerable.\u201d\n<\/p>\n<p>\nFor more technical details about Kr00k, read the <a href=\"https:\/\/www.welivesecurity.com\/wp-content\/uploads\/2020\/02\/ESET_Kr00k.pdf\" target=\"_blank\" rel=\"noopener\">white paper Kr00k \u2013 CVE-2019-15126 Serious vulnerability deep inside your Wi-Fi encryption<\/a> and <a href=\"https:\/\/www.welivesecurity.com\/2020\/02\/26\/krook-serious-vulnerability-affected-encryption-billion-wifi-devices\/\" target=\"_blank\" rel=\"noopener\">blogpost on WeLiveSecurity<\/a>. Make sure to check out Kr00k in depth on its <a href=\"https:\/\/www.eset.com\/int\/kr00k\/\" target=\"_blank\" rel=\"noopener\">dedicated landing<\/a> page and follow <a href=\"https:\/\/twitter.com\/ESETresearch\" target=\"_blank\" rel=\"noopener\">ESET Research on Twitter<\/a> for the latest news from ESET Research.\n<\/p>\n<p><br><\/p>\n<p><br><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-99de713 elementor-widget elementor-widget-shortcode\" data-id=\"99de713\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t<div data-elementor-type=\"page\" data-elementor-id=\"18103\" class=\"elementor elementor-18103\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-748947f elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"748947f\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[{&quot;jet_parallax_layout_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;_id&quot;:&quot;c4f773e&quot;,&quot;jet_parallax_layout_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_speed&quot;:{&quot;unit&quot;:&quot;%&quot;,&quot;size&quot;:50,&quot;sizes&quot;:[]},&quot;jet_parallax_layout_type&quot;:&quot;scroll&quot;,&quot;jet_parallax_layout_direction&quot;:&quot;1&quot;,&quot;jet_parallax_layout_fx_direction&quot;:null,&quot;jet_parallax_layout_z_index&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x&quot;:50,&quot;jet_parallax_layout_bg_x_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y&quot;:50,&quot;jet_parallax_layout_bg_y_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size&quot;:&quot;auto&quot;,&quot;jet_parallax_layout_bg_size_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_animation_prop&quot;:&quot;transform&quot;,&quot;jet_parallax_layout_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;]}]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7995c19\" data-id=\"7995c19\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a437045 elementor-widget elementor-widget-image-box\" data-id=\"a437045\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-image-box-wrapper\"><div class=\"elementor-image-box-content\"><h3 class=\"elementor-image-box-title\">About Version 2 Digital<\/h3><p class=\"elementor-image-box-description\">Version 2 Digital is one of the most dynamic IT companies in Asia. The company distributes a wide range of IT products across various areas including cyber security, cloud, data protection, end points, infrastructures, system monitoring, storage, networking, business productivity and communication products.\n<br><br>\nThrough an extensive network of channels, point of sales, resellers, and partnership companies, Version 2 offers quality products and services which are highly acclaimed in the market. Its customers cover a wide spectrum which include Global 1000 enterprises, regional listed companies, different vertical industries, public utilities, Government, a vast number of successful SMEs, and consumers in various Asian cities.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t\n\t\t<div data-elementor-type=\"page\" data-elementor-id=\"18159\" class=\"elementor elementor-18159\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-73b4cd0 elementor-section-full_width elementor-section-height-default elementor-section-height-default\" data-id=\"73b4cd0\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;jet_parallax_layout_list&quot;:[{&quot;_id&quot;:&quot;c4f773e&quot;,&quot;jet_parallax_layout_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;jet_parallax_layout_speed&quot;:{&quot;unit&quot;:&quot;%&quot;,&quot;size&quot;:50,&quot;sizes&quot;:[]},&quot;jet_parallax_layout_type&quot;:&quot;scroll&quot;,&quot;jet_parallax_layout_direction&quot;:&quot;1&quot;,&quot;jet_parallax_layout_fx_direction&quot;:null,&quot;jet_parallax_layout_z_index&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x&quot;:50,&quot;jet_parallax_layout_bg_x_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_x_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y&quot;:50,&quot;jet_parallax_layout_bg_y_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_y_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size&quot;:&quot;auto&quot;,&quot;jet_parallax_layout_bg_size_tablet&quot;:&quot;&quot;,&quot;jet_parallax_layout_bg_size_mobile&quot;:&quot;&quot;,&quot;jet_parallax_layout_animation_prop&quot;:&quot;transform&quot;,&quot;jet_parallax_layout_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;]}]}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8d19c1e\" data-id=\"8d19c1e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8865cce elementor-widget elementor-widget-text-editor\" data-id=\"8865cce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>About ESET<\/strong><br \/>For 30 years, ESET\u00ae has been developing industry-leading IT security software and services for businesses and consumers worldwide. With solutions ranging from endpoint security to encryption and two-factor authentication, ESET\u2019s high-performing, easy-to-use products give individuals and businesses the peace of mind to enjoy the full potential of their technology. ESET unobtrusively protects and monitors 24\/7, updating defenses in real time to keep users safe and businesses running without interruption. Evolving threats require an evolving IT security company. Backed by R&amp;D facilities worldwide, ESET became the first IT security company to earn 100 Virus Bulletin VB100 awards, identifying every single \u201cin-the-wild\u201d malware without interruption since 2003.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>BRATISLAVA, SAN FRANCISCO \u2013 February 26, 2020 \u2013 ESET re [&hellip;]<\/p>","protected":false},"author":143524195,"featured_media":3289,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[131,40,61,99],"tags":[41,98,114,115,18],"class_list":["post-5746","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-v2","category-eset","category-press-release","category-year2020","tag-eset","tag-98","tag-eset-research","tag-kr00k","tag-security"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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