[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.chirmed.sk\/chyba-zabezpecenia-bluetoothu-moze-vystavit-udaje-zariadeniam-pre-hackerom\/#Article","mainEntityOfPage":"https:\/\/www.chirmed.sk\/chyba-zabezpecenia-bluetoothu-moze-vystavit-udaje-zariadeniam-pre-hackerom\/","headline":"Chyba zabezpe\u010denia Bluetoothu m\u00f4\u017ee vystavi\u0165 \u00fadaje zariadeniam pre hackerom","name":"Chyba zabezpe\u010denia Bluetoothu m\u00f4\u017ee vystavi\u0165 \u00fadaje zariadeniam pre hackerom","description":"R\u00fdchlo p\u00f4sobiaci hacker by mohol by\u0165 schopn\u00fd oslabi\u0165 \u0161ifrovanie zariaden\u00ed Bluetooth a n\u00e1sledne prenikn\u00fa\u0165 na komunik\u00e1ciu alebo posla\u0165 fal\u0161ovan\u00e9 zariadenia na prevzatie zariadenia z d\u00f4vodu novoobjavenej zranite\u013enosti v \u0161tandarde. T\u00e1to zranite\u013enos\u0165 je dos\u0165 \u0161ikovn\u00e1: namiesto priameho preru\u0161enia \u0161ifrovania umo\u017e\u0148uje pir\u00e1tom v prvom rade prin\u00fati\u0165 p\u00e1r zariaden\u00ed BT, aby na prvom rade mieste pou\u017e\u00edvali slab\u0161ie \u0161ifrovanie, […]","datePublished":"2020-01-20","dateModified":"2023-04-28","author":{"@type":"Person","@id":"https:\/\/www.chirmed.sk\/author\/#Person","name":"","url":"https:\/\/www.chirmed.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/4bf629230dc34158290ba5b10491f45b3bfbba94b88af3386c3da2fed730f430?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/4bf629230dc34158290ba5b10491f45b3bfbba94b88af3386c3da2fed730f430?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"chirmed.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.chirmed.sk\/wp-content\/uploads\/img_a305861_w16761_t1567494333.png","url":"https:\/\/www.chirmed.sk\/wp-content\/uploads\/img_a305861_w16761_t1567494333.png","height":0,"width":0},"url":"https:\/\/www.chirmed.sk\/chyba-zabezpecenia-bluetoothu-moze-vystavit-udaje-zariadeniam-pre-hackerom\/","wordCount":354,"articleBody":"R\u00fdchlo p\u00f4sobiaci hacker by mohol by\u0165 schopn\u00fd oslabi\u0165 \u0161ifrovanie zariaden\u00ed Bluetooth a n\u00e1sledne prenikn\u00fa\u0165 na komunik\u00e1ciu alebo posla\u0165 fal\u0161ovan\u00e9 zariadenia na prevzatie zariadenia z d\u00f4vodu novoobjavenej zranite\u013enosti v \u0161tandarde. T\u00e1to zranite\u013enos\u0165 je dos\u0165 \u0161ikovn\u00e1: namiesto priameho preru\u0161enia \u0161ifrovania umo\u017e\u0148uje pir\u00e1tom v prvom rade prin\u00fati\u0165 p\u00e1r zariaden\u00ed BT, aby na prvom rade mieste pou\u017e\u00edvali slab\u0161ie \u0161ifrovanie, \u010d\u00edm sa ove\u013ea \u013eah\u0161ie rozl\u00fa\u0161t\u00ed. Zaka\u017ed\u00fdm, ke\u010f sa dve zariadenia pripoja, vytvoria nov\u00fd \u0161ifrovac\u00ed k\u013e\u00fa\u010d. Ak sa \u00fato\u010dn\u00edk dostane medzi tento in\u0161tala\u010dn\u00fd proces, mohol by potenci\u00e1lne prin\u00fati\u0165 tieto dve zariadenia, aby sa usadili na zak\u00f3dovanom k\u013e\u00fa\u010di s relat\u00edvne mal\u00fdm po\u010dtom znakov. \u00dato\u010dn\u00edk by e\u0161te musel vykona\u0165 brut\u00e1lny \u00fatok proti jedn\u00e9mu zo zariaden\u00ed, aby zistil presn\u00e9 heslo, ale tento \u00fatok by sa v\u010faka tejto chybe mohol st\u00e1\u0165 v dosiahnute\u013enom \u010dase. Zd\u00e1 sa v\u0161ak, \u017ee v\u00e4\u010d\u0161ina \u013eud\u00ed, ktor\u00ed pou\u017e\u00edvaj\u00fa zariadenia BT, sa nemus\u00ed pr\u00edli\u0161 ob\u00e1va\u0165. Na vykonanie tohto \u00fatoku by musel by\u0165 po\u010das pripojenia technik\u00e1m m\u00f4\u017ee by\u0165 pr\u00edtomn\u00fd pir\u00e1t, blokova\u0165 po\u010diato\u010dn\u00fd prenos ka\u017edej technol\u00f3gie pri ur\u010dovan\u00ed d\u013a\u017eky zak\u00f3dovan\u00e9ho k\u013e\u00fa\u010da a vysiela\u0165 vlastn\u00fa spr\u00e1vu \u201ev\u0161etko v \u00fazkom \u010dasovom okne\u201c, hovor\u00ed organiz\u00e1cia za \u0161tandardom. Pir\u00e1t by tie\u017e musel by\u0165 v dosahu a zopakova\u0165 \u00fatok v\u017edy, ke\u010f sa chcel znovu dosta\u0165. Nie ka\u017ed\u00e1 technol\u00f3gia je zranite\u013en\u00e1. Tento nedostatok sa t\u00fdka iba tradi\u010dn\u00fdch funkci\u00e1ch, a niektor\u00e9 m\u00f4\u017eu ma\u0165 proti nemu ochranu, ak maj\u00fa pevne zak\u00f3dovan\u00fa minim\u00e1lnu silu hesla. Firma sa rozhran\u00edm nedok\u00e1\u017ee t\u00fato chybu napravi\u0165, ale bude ju chr\u00e1ni\u0165 pred \u010fal\u0161\u00edm odpor\u00fa\u010dan\u00edm, aby sa na zranite\u013en\u00e9 funkcie implementovali minim\u00e1lna d\u013a\u017eka hesla.  Doteraz neexistuje \u201e\u017eiadny d\u00f4kaz\u201c, \u017ee zranite\u013enos\u0165 bola zneu\u017eit\u00e1 \u0161kodlivo. Zistilo to skupina v\u00fdskumn\u00edkov, ktor\u00ed prezentovali svoje pr\u00edspevky na bezpe\u010dnostnom symp\u00f3ziu USENIX.                                                                                                                                                                                                                                                                                                                                                                                        3.7\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Chyba zabezpe\u010denia Bluetoothu m\u00f4\u017ee vystavi\u0165 \u00fadaje zariadeniam pre hackerom","item":"https:\/\/www.chirmed.sk\/chyba-zabezpecenia-bluetoothu-moze-vystavit-udaje-zariadeniam-pre-hackerom\/#breadcrumbitem"}]}]