{"id":7737,"date":"2025-03-18T12:35:51","date_gmt":"2025-03-18T11:35:51","guid":{"rendered":"https:\/\/nethemba.com\/?page_id=7737"},"modified":"2025-05-07T14:55:22","modified_gmt":"2025-05-07T12:55:22","slug":"vyskum","status":"publish","type":"page","link":"https:\/\/nethemba.com\/sk\/o-nas\/vyskum\/","title":{"rendered":"V\u00fdskum"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"7737\" class=\"elementor elementor-7737 elementor-7732\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-128f736 elementor-hidden-mobile e-flex e-con-boxed e-con e-parent\" data-id=\"128f736\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-5d88bba e-con-full e-flex e-con e-child\" data-id=\"5d88bba\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fbca056 elementor-widget elementor-widget-heading\" data-id=\"fbca056\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">V\u00fdskum<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7733c3a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7733c3a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8e72960 e-con-full e-flex e-con e-child\" data-id=\"8e72960\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ff6e8a0 elementor-widget elementor-widget-image\" data-id=\"ff6e8a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"777\" height=\"640\" src=\"https:\/\/nethemba.com\/wp-content\/uploads\/2025\/03\/HeroImg-squared-5-1-1.png\" class=\"attachment-large size-large wp-image-7684\" alt=\"\" srcset=\"https:\/\/nethemba.com\/wp-content\/uploads\/2025\/03\/HeroImg-squared-5-1-1.png 777w, https:\/\/nethemba.com\/wp-content\/uploads\/2025\/03\/HeroImg-squared-5-1-1-300x247.png 300w, https:\/\/nethemba.com\/wp-content\/uploads\/2025\/03\/HeroImg-squared-5-1-1-768x633.png 768w\" sizes=\"(max-width: 777px) 100vw, 777px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3a5a493 elementor-hidden-desktop elementor-hidden-tablet e-flex e-con-boxed e-con e-parent\" data-id=\"3a5a493\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-0e4474d e-con-full e-flex e-con e-child\" data-id=\"0e4474d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7935ce9 elementor-widget elementor-widget-heading\" data-id=\"7935ce9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">V\u00fdskum<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-03cd8ae elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"03cd8ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-957fe9d e-con-full e-flex e-con e-child\" data-id=\"957fe9d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-81121c2 elementor-widget elementor-widget-image\" data-id=\"81121c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"777\" height=\"640\" src=\"https:\/\/nethemba.com\/wp-content\/uploads\/2025\/03\/HeroImg-squared-5-1-1.png\" class=\"attachment-large size-large wp-image-7684\" alt=\"\" srcset=\"https:\/\/nethemba.com\/wp-content\/uploads\/2025\/03\/HeroImg-squared-5-1-1.png 777w, https:\/\/nethemba.com\/wp-content\/uploads\/2025\/03\/HeroImg-squared-5-1-1-300x247.png 300w, https:\/\/nethemba.com\/wp-content\/uploads\/2025\/03\/HeroImg-squared-5-1-1-768x633.png 768w\" sizes=\"(max-width: 777px) 100vw, 777px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a1ada16 e-flex e-con-boxed e-con e-parent\" data-id=\"a1ada16\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-4e77c2b e-con-full e-flex e-con e-child\" data-id=\"4e77c2b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-db6842e elementor-widget elementor-widget-text-editor\" data-id=\"db6842e\" 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\tV pr\u00edpade, \u017ee h\u013ead\u00e1te na\u0161e publik\u00e1cie a prezent\u00e1cie, tak pokra\u010dujte tu\u00a0<a href=\"https:\/\/nethemba.com\/sk\/sluzby\/it-bezpecnostne-sluzby\/konzultacie-skolenia\/\">Konzult\u00e1cie &amp;\u00a0\u0160kolenia<\/a>.\n<p lang=\"en-GB\">Po\u010das n\u00e1\u0161ho p\u00f4sobenia na poli bezpe\u010dnosti, sme analyzovali a odhalili viacero v\u00e1\u017enych bezpe\u010dnostn\u00fdch zranite\u013enost\u00ed v r\u00f4znych verejne dostupn\u00fdch syst\u00e9moch. Mno\u017estvo t\u00fdchto zranite\u013enost\u00ed sme prezentovali na uzn\u00e1van\u00fdch svetov\u00fdch bezpe\u010dnostn\u00fdch konferenci\u00e1ch:<\/p>\n\n<ul>\n \t<li lang=\"en-GB\">Verejn\u00e1 bezpe\u010dnostn\u00e1 anal\u00fdza slovensk\u00fdch biometrick\u00fdch pasov<\/li>\n \t<li lang=\"en-GB\">V\u00e1\u017ene zranite\u013enosti v najpou\u017e\u00edvanej\u0161\u00edch slovensk\u00fdch a \u010desk\u00fdch \u010dipov\u00fdch Mifare kart\u00e1ch<\/li>\n \t<li lang=\"en-GB\">V\u00e1\u017ene zranite\u013enosti v SMS l\u00edstkoch<\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a7141d9 e-flex e-con-boxed e-con e-parent\" data-id=\"a7141d9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-862135c e-con-full e-flex e-con e-child\" data-id=\"862135c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5da232f elementor-widget elementor-widget-heading\" data-id=\"5da232f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Bezpe\u010dnostn\u00e1 anal\u00fdza slovensk\u00e9ho biometrick\u00e9ho pasu<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6032337 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"6032337\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-abe15d2 elementor-widget elementor-widget-text-editor\" data-id=\"abe15d2\" 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<h3 lang=\"en-GB\">(st\u00e1le prebieha \u2013 v pr\u00edpade, \u017ee n\u00e1m viete pom\u00f4c\u0165,\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/https:\/\/nethemba.com\/sk\/kontakt\/\" data-wpel-link=\"internal\">nev\u00e1hajte n\u00e1s kontaktova\u0165<\/a>)<\/h3><p lang=\"en-GB\">Prakticky sme demon\u0161trovali na\u010d\u00edtanie nov\u00e9ho slovensk\u00e9ho biometrick\u00e9ho RFID pasu. Pas je mo\u017en\u00e9 na\u010d\u00edtat \u013eubovo\u013enou ISO14443A RFID \u010d\u00edta\u010dkou (pre n\u00e1\u0161 experiment sme pou\u017eili lacn\u00fa\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/www.touchatag.com\/\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">touchatag \u010d\u00edta\u010dku<\/a>, ktor\u00fa je mo\u017en\u00e9\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/www.touchatag.com\/e-store\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">zak\u00fapi\u0165<\/a>\u00a0za 30 \u20ac).<\/p><p lang=\"en-GB\">Na pre\u010d\u00edtanie je potrebn\u00fd\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/en.wikipedia.org\/wiki\/Machine-readable_passport\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">MRZ k\u00f3d<\/a>, ktor\u00fd je uveden\u00fd na predposlednej strane pasu. MRZ sa sklad\u00e1 prim\u00e1rne z \u010d\u00edsla pasu, d\u00e1tumu narodenia a d\u00e1tumu expir\u00e1cie pasu. Na z\u00e1klade osobn\u00fdch \u00fadajov sa MRZ\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/www.highprogrammer.com\/cgi-bin\/uniqueid\/mrzp\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">d\u00e1 aj vypo\u010d\u00edta\u0165<\/a>. So znalos\u0165ou MRZ k\u00f3du je mo\u017en\u00e9 z pasu pre\u010d\u00edta\u0165:<\/p><ul><li>v\u0161etky osobn\u00e9 data uveden\u00e9 v pase (EF.DG1)<\/li><li>fotografiu vlastn\u00edka (ulo\u017een\u00fa v\u00a0JPEG) (EF.DG2)<\/li><\/ul><p lang=\"en-GB\">\u00a0MRZ k\u00f3d ale nesta\u010d\u00ed na na\u010d\u00edtanie:<\/p><ul><li>odtla\u010dku prstu vlastn\u00edka pasu (EF.DG3)<\/li><li>\u201eActive Authentication Public\u00a0Key Info\u201c (EF.DG15)<\/li><\/ul><p lang=\"en-GB\">Pas nebol nijako chr\u00e1neny\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/www.rfid-shield.com\/\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">\u0161peci\u00e1lnym puzdrom<\/a>, tak\u017ee ho bolo mo\u017en\u00e9 pre\u010d\u00edta\u0165 v zatvorenom stave zo vzdialenosti 5 cm. V pr\u00edpade pou\u017eitia silnej ant\u00e9ny t\u00e1to vzdialenos\u0165 m\u00f4\u017ee by\u0165 podstatne v\u00e4\u010d\u0161ia (a\u017e 10 metrov a bude na\u010falej r\u00e1s\u0165).<\/p><p lang=\"en-GB\">Pas vracia n\u00e1hodny unik\u00e1tny identifik\u00e1tor (UID), tak\u017ee ho nie je mo\u017en\u00e9 na dia\u013eku \u201efingerprintn\u00fa\u0165\u201c a teda odhadn\u00fa\u0165 v\u00fdrobcu\u00a0(toto spr\u00e1vanie je mo\u017en\u00e9 emulova\u0165 \u010dipovou kartou NXP JCOP 41 v2.2.1 72KRANDOM_UID).<\/p><p lang=\"en-GB\">\u00a0Bez znalosti \u201eActive Authentication Public Key Info\u201c pas nie je mo\u017en\u00e9 jednoducho vyklonova\u0165.<\/p><p lang=\"en-GB\">\u00a0Potrebn\u00e9 overi\u0165:<\/p><ul><li>ako sa spr\u00e1vaj\u00fa dostupn\u00e9 \u010d\u00edta\u010dky biometrick\u00fdch pasov na Slovensku pri chybnom hashi, digit\u00e1lnom podpise, absencii AA inform\u00e1cie (je mo\u017en\u00e9, \u017ee akceptuj\u00fa aj nedokonal\u00fd klon)<\/li><li>je mo\u017en\u00e9 vytvori\u0165 nedokonal\u00e9ho klona na emul\u00e1tor NXP\u00a0JCOP 41 v2.2.1 72k RANDOM_UID, kedy sa EF.DG3 a EF.DG15 vyhod\u00ed z passport.indexu \u2013 bude tento klon akceptovan\u00fd slovensk\u00fdmi \u010d\u00edta\u010dkami biometrick\u00fdch pasov?<\/li><li>overi\u0165 mo\u017enos\u0165 \u00fatoku cez postrann\u00e9 kan\u00e1ly (napr.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/wiki.whatthehack.org\/images\/2\/28\/WTH-slides-Attacks-on-Digital-Passports-Marc-Witteman.pdf\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">anal\u00fdza nap\u00e4\u0165ovej stopy RSA v \u010dase<\/a>)<\/li><li>analyzova\u0165 entropiu MRZ:<br \/>d\u00e1tum expir\u00e1cie pasu pri 10\u00a0rokoch = 3650\u00a0hodn\u00f4t<br \/>d\u00e1tum narodenia (pri odhade +\/- 5 rokov) = 3650\u00a0hodn\u00f4t<br \/>\u010d\u00edslo pasu (2\u00a0alfaznaky + 7 \u010d\u00edslic) = 25 * 25 * (10\u00a0^ 7) = 6250000000 hodn\u00f4t<\/li><li>je mo\u017en\u00e9 determinova\u0165 \u010d\u00edslo pasu (ak\u00fdm sp\u00f4sobom sa pride\u013euje?)<\/li><\/ul><p lang=\"en-GB\">\u00a0<strong>M\u00e1te pr\u00e1vo by\u0165 informovan\u00fd o bezpe\u010dnosti technol\u00f3gi\u00ed, ktor\u00e9 sa t\u00fdkaj\u00fa va\u0161ich osobn\u00fdch \u00fadajov!<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1812b45 e-flex e-con-boxed e-con e-parent\" data-id=\"1812b45\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-22d007b e-con-full e-flex e-con e-child\" data-id=\"22d007b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-02b9087 elementor-widget elementor-widget-heading\" data-id=\"02b9087\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">V\u00e1\u017ene zranite\u013enosti v slovensk\u00fdch a \u010desk\u00fdch Mifare Classic \u010dipov\u00fdch kart\u00e1ch\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-79336ab elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"79336ab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0df27b elementor-widget elementor-widget-text-editor\" data-id=\"a0df27b\" 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<h3 lang=\"en-GB\">(st\u00e1le prebieha \u2013 v pr\u00edpade, \u017ee n\u00e1m viete pom\u00f4c\u0165,\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/https:\/\/nethemba.com\/sk\/kontakt\/\" data-wpel-link=\"internal\">nev\u00e1hajte n\u00e1s kontaktova\u0165<\/a>)<\/h3><p lang=\"en-GB\">Prakticky sme demon\u0161trovali na\u010d\u00edtanie nov\u00e9ho slovensk\u00e9ho biometrick\u00e9ho RFID pasu. Pas je mo\u017en\u00e9 na\u010d\u00edtat \u013eubovo\u013enou ISO14443A RFID \u010d\u00edta\u010dkou (pre n\u00e1\u0161 experiment sme pou\u017eili lacn\u00fa\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/www.touchatag.com\/\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">touchatag \u010d\u00edta\u010dku<\/a>, ktor\u00fa je mo\u017en\u00e9\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/www.touchatag.com\/e-store\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">zak\u00fapi\u0165<\/a>\u00a0za 30 \u20ac).<\/p><p lang=\"en-GB\">Na pre\u010d\u00edtanie je potrebn\u00fd\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/en.wikipedia.org\/wiki\/Machine-readable_passport\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">MRZ k\u00f3d<\/a>, ktor\u00fd je uveden\u00fd na predposlednej strane pasu. MRZ sa sklad\u00e1 prim\u00e1rne z \u010d\u00edsla pasu, d\u00e1tumu narodenia a d\u00e1tumu expir\u00e1cie pasu. Na z\u00e1klade osobn\u00fdch \u00fadajov sa MRZ\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/www.highprogrammer.com\/cgi-bin\/uniqueid\/mrzp\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">d\u00e1 aj vypo\u010d\u00edta\u0165<\/a>. So znalos\u0165ou MRZ k\u00f3du je mo\u017en\u00e9 z pasu pre\u010d\u00edta\u0165:<\/p><ul><li>v\u0161etky osobn\u00e9 data uveden\u00e9 v pase (EF.DG1)<\/li><li>fotografiu vlastn\u00edka (ulo\u017een\u00fa v\u00a0JPEG) (EF.DG2)<\/li><\/ul><p lang=\"en-GB\">\u00a0MRZ k\u00f3d ale nesta\u010d\u00ed na na\u010d\u00edtanie:<\/p><ul><li>odtla\u010dku prstu vlastn\u00edka pasu (EF.DG3)<\/li><li>\u201eActive Authentication Public\u00a0Key Info\u201c (EF.DG15)<\/li><\/ul><p lang=\"en-GB\">Pas nebol nijako chr\u00e1neny\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/www.rfid-shield.com\/\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">\u0161peci\u00e1lnym puzdrom<\/a>, tak\u017ee ho bolo mo\u017en\u00e9 pre\u010d\u00edta\u0165 v zatvorenom stave zo vzdialenosti 5 cm. V pr\u00edpade pou\u017eitia silnej ant\u00e9ny t\u00e1to vzdialenos\u0165 m\u00f4\u017ee by\u0165 podstatne v\u00e4\u010d\u0161ia (a\u017e 10 metrov a bude na\u010falej r\u00e1s\u0165).<\/p><p lang=\"en-GB\">Pas vracia n\u00e1hodny unik\u00e1tny identifik\u00e1tor (UID), tak\u017ee ho nie je mo\u017en\u00e9 na dia\u013eku \u201efingerprintn\u00fa\u0165\u201c a teda odhadn\u00fa\u0165 v\u00fdrobcu\u00a0(toto spr\u00e1vanie je mo\u017en\u00e9 emulova\u0165 \u010dipovou kartou NXP JCOP 41 v2.2.1 72KRANDOM_UID).<\/p><p lang=\"en-GB\">\u00a0Bez znalosti \u201eActive Authentication Public Key Info\u201c pas nie je mo\u017en\u00e9 jednoducho vyklonova\u0165.<\/p><p lang=\"en-GB\">\u00a0Potrebn\u00e9 overi\u0165:<\/p><ul><li>ako sa spr\u00e1vaj\u00fa dostupn\u00e9 \u010d\u00edta\u010dky biometrick\u00fdch pasov na Slovensku pri chybnom hashi, digit\u00e1lnom podpise, absencii AA inform\u00e1cie (je mo\u017en\u00e9, \u017ee akceptuj\u00fa aj nedokonal\u00fd klon)<\/li><li>je mo\u017en\u00e9 vytvori\u0165 nedokonal\u00e9ho klona na emul\u00e1tor NXP\u00a0JCOP 41 v2.2.1 72k RANDOM_UID, kedy sa EF.DG3 a EF.DG15 vyhod\u00ed z passport.indexu \u2013 bude tento klon akceptovan\u00fd slovensk\u00fdmi \u010d\u00edta\u010dkami biometrick\u00fdch pasov?<\/li><li>overi\u0165 mo\u017enos\u0165 \u00fatoku cez postrann\u00e9 kan\u00e1ly (napr.\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/wiki.whatthehack.org\/images\/2\/28\/WTH-slides-Attacks-on-Digital-Passports-Marc-Witteman.pdf\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">anal\u00fdza nap\u00e4\u0165ovej stopy RSA v \u010dase<\/a>)<\/li><li>analyzova\u0165 entropiu MRZ:<br \/>d\u00e1tum expir\u00e1cie pasu pri 10\u00a0rokoch = 3650\u00a0hodn\u00f4t<br \/>d\u00e1tum narodenia (pri odhade +\/- 5 rokov) = 3650\u00a0hodn\u00f4t<br \/>\u010d\u00edslo pasu (2\u00a0alfaznaky + 7 \u010d\u00edslic) = 25 * 25 * (10\u00a0^ 7) = 6250000000 hodn\u00f4t<\/li><li>je mo\u017en\u00e9 determinova\u0165 \u010d\u00edslo pasu (ak\u00fdm sp\u00f4sobom sa pride\u013euje?)<\/li><\/ul><p lang=\"en-GB\">\u00a0<strong>M\u00e1te pr\u00e1vo by\u0165 informovan\u00fd o bezpe\u010dnosti technol\u00f3gi\u00ed, ktor\u00e9 sa t\u00fdkaj\u00fa va\u0161ich osobn\u00fdch \u00fadajov!<\/strong><\/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-3af2cb9 elementor-widget elementor-widget-html\" data-id=\"3af2cb9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<iframe src=\"https:\/\/www.slideshare.net\/slideshow\/embed_code\/4738269\" width=\"425\" height=\"355\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf52e9b elementor-widget elementor-widget-text-editor\" data-id=\"cf52e9b\" 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 lang=\"en-GB\"><a href=\"https:\/\/web.archive.org\/web\/20250114032211\/https:\/\/github.com\/nfc-tools\/mfoc\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\"><strong>Mifare Classic Offline Cracker\u00a0(nov\u00e1 verzia 0.09 pre libnfc 1.3.9)<\/strong><\/a><\/p><p lang=\"en-GB\">(otestovan\u00e9 s\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/code.google.com\/p\/crapto1\/\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">crapto1<\/a>,\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/www.libnfc.org\/\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">libnfc<\/a>\u00a0a\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/www.touchatag.com\/\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">Tikitag\/Touchatag \u010d\u00edta\u010dkou<\/a>)<\/p><p lang=\"en-GB\">\u00a0<b>Prezent\u00e1cie:<\/b><\/p><p><a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/200902.confidence.org.pl\/prelegenci\/pavol-luptak\/\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">Confidence 2.0 vo Var\u0161ave<\/a><\/p><p><a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/konference.iinfo.cz\/tib-2010\/program\/\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">Trendy v Internetov\u00e9 bezpe\u010dnosti v Prahe<\/a><\/p><p lang=\"en-GB\"><strong>Medi\u00e1lne reakcie:<\/strong><br \/><strong>SME<\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/pocitace.sme.sk\/c\/5080757\/cipove-karty-je-lahke-precitat.html\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">\u010cipov\u00e9 karty je \u013eahk\u00e9 pre\u010d\u00edta\u0165<\/a><\/p><p lang=\"en-GB\"><strong>IT\u00a0News<\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/www.itnews.sk\/rozhovory\/2009-10-27\/c129884-publikovane-vazne-zranitelnosti-v-slovenskych-a-ceskych-kartach-mifare\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">Publikovan\u00e9 v\u00e1\u017ene zranite\u013enosti v slovensk\u00fdch a \u010desk\u00fdch kart\u00e1ch Mifare<\/a><\/p><p lang=\"en-GB\"><strong>eFocus<\/strong>\u00a0<a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/www.efocus.sk\/webcasty\/kategoria\/nazory\/clanok\/bezpecnost-cipovych-kariet\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">Bezpe\u010dnos\u0165 \u010dipov\u00fdch kariet prelomen\u00e1<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-434b8dc e-flex e-con-boxed e-con e-parent\" data-id=\"434b8dc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-8d9cdd7 e-con-full e-flex e-con e-child\" data-id=\"8d9cdd7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e4e9e25 elementor-widget elementor-widget-heading\" data-id=\"e4e9e25\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">V\u00e1\u017ene zranite\u013enosti v SMS l\u00edstkoch\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f74fdd3 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"f74fdd3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c0cd2fa elementor-widget elementor-widget-text-editor\" data-id=\"c0cd2fa\" 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>SMS l\u00edstky s\u00fa s ob\u013eubou pou\u017e\u00edvane vo v\u0161etk\u00fdch ve\u013ek\u00fdch mest\u00e1ch Strednej Eur\u00f3py (Praha,\u00a0Bratislava, Ko\u0161ice, Viede\u0148, Var\u0161ava, ..)<\/p><p lang=\"en-GB\">Cie\u013eom n\u00e1\u0161ho v\u00fdskumu bolo pouk\u00e1za\u0165 na v\u00e1\u017ene bezpe\u010dnostn\u00e9 zranite\u013enosti SMS l\u00edstkov, ktor\u00e9 nie s\u00fa dostato\u010dne dobre previazan\u00e9 na samotn\u00e9ho cestuj\u00faceho. Na demon\u0161tr\u00e1ciu potenci\u00e1lneho zneu\u017eitia sme navrhli \u0161peci\u00e1lnu sie\u0165ov\u00fa architekt\u00faru, ktor\u00e1 umo\u017e\u0148uje cez \u0161ifrovan\u00fd kan\u00e1l mas\u00edvne distribuova\u0165 a generova\u0165 SMS l\u00edstky medzi pasa\u017eiermi (SMS ticket hacker server + SMS\u00a0ticket hack clients).<\/p><p lang=\"en-GB\">Kritickos\u0165 uvedenej zranite\u013enosti navy\u0161uje fakt, \u017ee v s\u00fa\u010dasnej dobe neexistuje jednoduch\u00fd a lacn\u00fd sp\u00f4sob, ako uveden\u00fd \u00fatok odhali\u0165.<\/p><p lang=\"en-GB\">Navrhli sme tie\u017e viacero \u010diasto\u010dn\u00fdch, ale nedostato\u010dn\u00fdch rie\u0161en\u00ed, ktor\u00e9 m\u00f4\u017ee DP realizova\u0165 v snahe odhali\u0165 uveden\u00fd \u00fatok.<\/p><p lang=\"en-GB\">Tie\u017e sme navrhli bezpe\u010dn\u00e9 a spo\u013eahlive rie\u0161enie \u2013 zviazanie identity pasa\u017eiera s\u00a0SMS l\u00edstkom, bezpe\u010dn\u00fd sp\u00f4sob generovanie SMS l\u00edstkov ako aj ich r\u00fdchlej kontroly zo strany rev\u00edzorov.<\/p><p lang=\"en-GB\">Napriek tomu, \u017ee dopravn\u00e9 podniky boli s ve\u013ek\u00fdm predstihom o uvedenej zranite\u013enosti informovan\u00e9, st\u00e1le t\u00fato zranite\u013enos\u0165 ignoruj\u00fa a pou\u017e\u00edvaj\u00fa zranite\u013en\u00e9 syst\u00e9my.<\/p><p lang=\"en-GB\"><b>Prezent\u00e1cia:\u00a0<\/b><a href=\"https:\/\/web.archive.org\/web\/20250114032211\/https:\/\/nethemba.com\/resources\/SMS-ticket-hack4.pdf\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">Zranite\u013enosti v SMS l\u00edstkoch (prezent\u00e1cia v angli\u010dtine)<\/a><\/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-bf1bfdf elementor-widget elementor-widget-html\" data-id=\"bf1bfdf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<iframe src=\"https:\/\/www.slideshare.net\/slideshow\/embed_code\/4738280\" width=\"425\" height=\"355\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-290ba69 elementor-widget elementor-widget-text-editor\" data-id=\"290ba69\" 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 lang=\"en-GB\"><b>Publikovan\u00e9 na konferenci\u00e1ch:<\/b><br \/><a href=\"https:\/\/web.archive.org\/web\/20250114032211\/https:\/\/har2009.org\/program\/events\/89.en.html\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">Hacking at Random 2009 v Holandsku<\/a><\/p><p lang=\"en-GB\"><a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/2009.confidence.org.pl\/prelegenci\/pavol-luptak\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">Confidence v Krakove \/ Po\u013esku<\/a><\/p><p lang=\"en-GB\"><a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/metalab.at\/wiki\/SMS-Ticket-Vortrag\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">Metalab vo Viedni \/\u00a0Rak\u00fasku<\/a><\/p><p lang=\"en-GB\"><strong>Rozhovor pre denn\u00edk\u00a0SME:\u00a0<\/strong><a href=\"https:\/\/web.archive.org\/web\/20250114032211\/http:\/\/bratislava.sme.sk\/c\/4915803\/sms-listky-sa-zneuzit-daju-tvrdi-expert.html\" rel=\"external noopener noreferrer\" data-wpel-link=\"external\">SMS l\u00edstky sa zneu\u017ei\u0165 daj\u00fa, tvrd\u00ed expert<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>V\u00fdskum V\u00fdskum V pr\u00edpade, \u017ee h\u013ead\u00e1te na\u0161e publik\u00e1cie a prezent\u00e1cie, tak pokra\u010dujte tu\u00a0Konzult\u00e1cie &amp;\u00a0\u0160kolenia. Po\u010das n\u00e1\u0161ho p\u00f4sobenia na poli bezpe\u010dnosti, sme analyzovali a odhalili viacero v\u00e1\u017enych bezpe\u010dnostn\u00fdch zranite\u013enost\u00ed v r\u00f4znych verejne dostupn\u00fdch syst\u00e9moch. Mno\u017estvo t\u00fdchto zranite\u013enost\u00ed sme prezentovali na uzn\u00e1van\u00fdch svetov\u00fdch bezpe\u010dnostn\u00fdch konferenci\u00e1ch: Verejn\u00e1 bezpe\u010dnostn\u00e1 anal\u00fdza slovensk\u00fdch biometrick\u00fdch pasov V\u00e1\u017ene zranite\u013enosti v najpou\u017e\u00edvanej\u0161\u00edch slovensk\u00fdch a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":7600,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-7737","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>V\u00fdskum - Nethemba<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nethemba.com\/about-us\/research\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"V\u00fdskum - Nethemba\" \/>\n<meta property=\"og:description\" content=\"V\u00fdskum V\u00fdskum V pr\u00edpade, \u017ee h\u013ead\u00e1te na\u0161e publik\u00e1cie a prezent\u00e1cie, tak pokra\u010dujte tu\u00a0Konzult\u00e1cie &amp;\u00a0\u0160kolenia. Po\u010das n\u00e1\u0161ho p\u00f4sobenia na poli bezpe\u010dnosti, sme analyzovali a odhalili viacero v\u00e1\u017enych bezpe\u010dnostn\u00fdch zranite\u013enost\u00ed v r\u00f4znych verejne dostupn\u00fdch syst\u00e9moch. 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