Szeptember 30-\u00e1n 17:01-kor moszkvai id\u0151 szerint lej\u00e1r az IdenTrust (DST Root CA X3) gy\u00e1rt\u00f3gy\u00f6k\u00e9r tan\u00fas\u00edtv\u00e1ny \u00e9rv\u00e9nyess\u00e9ge, amelyet a Let's Encrypt hiteles\u00edt\u0151 k\u00f6zpont gy\u00f6k\u00e9rtan\u00fas\u00edtv\u00e1ny\u00e1nak keresztszerz\u0151d\u00e9s\u00e9hez haszn\u00e1ltak (ISRG Root X1), amely k\u00f6z\u00f6ss\u00e9gi ir\u00e1ny\u00edt\u00e1s alatt \u00e1ll, \u00e9s ingyenes tan\u00fas\u00edtv\u00e1nyokat ny\u00fajt minden \u00e9rdekl\u0151d\u0151nek. A keresztszign\u00e1l\u00e1s bizalmat ny\u00fajtott a Let's Encrypt tan\u00fas\u00edtv\u00e1nyokhoz sz\u00e9les eszk\u00f6z- \u00e9s oper\u00e1ci\u00f3s rendszerpalett\u00e1n, valamint b\u00f6ng\u00e9sz\u0151kben, mik\u00f6zben integr\u00e1lt\u00e1k a Let's Encrypt saj\u00e1t gy\u00f6k\u00e9rtan\u00fas\u00edtv\u00e1ny\u00e1t a gy\u00f6k\u00e9rtan\u00fas\u00edtv\u00e1nyok t\u00e1rol\u00f3j\u00e1ba. <\/p>\n
Eredetileg azt tervezt\u00e9k, hogy a DST Root CA X3 elavul\u00e1sa ut\u00e1n a Let's Encrypt projekt csak a saj\u00e1t gy\u00f6k\u00e9rtan\u00fas\u00edtv\u00e1ny\u00e1val v\u00e9gzi el a szign\u00e1l\u00e1sokat, de egy ilyen l\u00e9p\u00e9s a r\u00e9gi rendszerekkel val\u00f3 inkompatibilit\u00e1s elveszt\u00e9s\u00e9hez vezetett volna, amelyek nem adt\u00e1k hozz\u00e1 a Let's Encrypt gy\u00f6k\u00e9rtan\u00fas\u00edtv\u00e1ny\u00e1t a t\u00e1rol\u00f3jukhoz. K\u00fcl\u00f6n\u00f6sen k\u00f6r\u00fclbel\u00fcl 30% az elterjedt Android-eszk\u00f6z\u00f6k k\u00f6z\u00fcl nem rendelkezik a Let's Encrypt gy\u00f6k\u00e9rtan\u00fas\u00edtv\u00e1ny adat\u00e1val, amely csak az Android 7.1.1 platformon kezd\u0151d\u0151en, 2016 v\u00e9g\u00e9n jelent meg. <\/p>\n
A Let's Encrypt nem tervezett \u00faj keresztszerz\u0151d\u00e9st k\u00f6tni, mivel ez tov\u00e1bbi felel\u0151ss\u00e9get r\u00f3 a szerz\u0151d\u0151 felekre, elvonja a f\u00fcggetlens\u00e9get \u00e9s megk\u00f6tni az elj\u00e1r\u00e1sok \u00e9s szab\u00e1lyok betart\u00e1s\u00e1t egy m\u00e1sik hiteles\u00edt\u0151t\u0151l. Azonban a potenci\u00e1lis probl\u00e9m\u00e1k jelentkez\u00e9se miatt a nagysz\u00e1m\u00fa Android-eszk\u00f6z\u00f6n a tervet fel\u00fclvizsg\u00e1lt\u00e1k. \u00daj meg\u00e1llapod\u00e1st k\u00f6t\u00f6tt a IdenTrust hiteles\u00edt\u00e9si k\u00f6zponttal, amely alapj\u00e1n l\u00e9trej\u00f6tt egy alternat\u00edv keresztszerz\u0151d\u00f6tt k\u00f6ztes tan\u00fas\u00edtv\u00e1ny a Let's Encrypt sz\u00e1m\u00e1ra. A keresztszign\u00e1l\u00e1s h\u00e1rom \u00e9vig \u00e9rv\u00e9nyes lesz, \u00e9s lehet\u0151v\u00e9 teszi az Android eszk\u00f6z\u00f6k t\u00e1mogat\u00e1s\u00e1t, kezdve a 2.3.6 verzi\u00f3t\u00f3l. <\/p>\n
Mindazon\u00e1ltal az \u00faj k\u00f6ztes tan\u00fas\u00edtv\u00e1ny nem fedi le sok m\u00e1s elavult rendszert. P\u00e9ld\u00e1ul a DST Root CA X3 tan\u00fas\u00edtv\u00e1ny\u00e1nak elavult\u00e1t k\u00f6vet\u0151en szeptember 30-\u00e1n a Let's Encrypt tan\u00fas\u00edtv\u00e1nyok nem lesznek \u00e9szlelhet\u0151ek a m\u00e1r nem t\u00e1mogatott firmware-eken \u00e9s oper\u00e1ci\u00f3s rendszereken, ahol a Let's Encrypt tan\u00fas\u00edtv\u00e1nyokhoz val\u00f3 bizalom biztos\u00edt\u00e1s\u00e1hoz az ISRG Root X1 tan\u00fas\u00edtv\u00e1ny k\u00e9zi hozz\u00e1ad\u00e1sa sz\u00fcks\u00e9ges a gy\u00f6k\u00e9rtan\u00fas\u00edtv\u00e1nyok t\u00e1rol\u00f3j\u00e1ba. A probl\u00e9m\u00e1k a k\u00f6vetkez\u0151 ter\u00fcleteken fognak megnyilv\u00e1nulni: <\/p>\n
Az OpenSSL 1.0.2 eset\u00e9ben a probl\u00e9ma egy hib\u00e1b\u00f3l ad\u00f3dik, amely megakad\u00e1lyozza a kereszt\u00fcl al\u00e1\u00edrt tan\u00fas\u00edtv\u00e1nyok helyes feldolgoz\u00e1s\u00e1t, ha az al\u00e1\u00edr\u00e1shoz haszn\u00e1lt egyik gy\u00f6k\u00e9rtan\u00fas\u00edtv\u00e1ny elavul, m\u00e9g akkor is, ha m\u00e1s \u00e9rv\u00e9nyes bizalmi l\u00e1ncok megmaradnak. A probl\u00e9ma tavaly mer\u00fclt fel, amikor az AddTrust tan\u00fas\u00edtv\u00e1ny, amelyet a Sectigo (Comodo) hiteles\u00edt\u0151 k\u00f6zpont tan\u00fas\u00edtv\u00e1nyainak kereszt\u00fcl al\u00e1\u00edr\u00e1s\u00e1hoz haszn\u00e1ltak, elavult. A probl\u00e9ma l\u00e9nyege, hogy az OpenSSL a tan\u00fas\u00edtv\u00e1nyt line\u00e1ris l\u00e1nck\u00e9nt kezelte, m\u00edg az RFC 4158 szerint a tan\u00fas\u00edtv\u00e1ny egy ir\u00e1ny\u00edtott elosztott ciklikus gr\u00e1fot is jelenthet, t\u00f6bb bizalmi gy\u00f6k\u00e9rrel, amelyeket figyelembe kell venni. <\/p>\n
Az OpenSSL 1.0.2-re \u00e9p\u00fcl\u0151 r\u00e9gi disztrib\u00faci\u00f3k felhaszn\u00e1l\u00f3inak h\u00e1rom alternat\u00edv megold\u00e1st aj\u00e1nlanak a probl\u00e9ma megold\u00e1s\u00e1ra: <\/p>\n
Tov\u00e1bb\u00e1 megeml\u00edthetj\u00fck, hogy a Let’s Encrypt projekt \u00e1tl\u00e9pte a k\u00e9tmilli\u00e1rd gener\u00e1lt tan\u00fas\u00edtv\u00e1ny k\u00fcsz\u00f6b\u00e9t. Az egymilli\u00e1rdos hat\u00e1rt tavaly febru\u00e1rban \u00e9rt\u00e9k el. Naponta 2,2-2,4 milli\u00f3 \u00faj tan\u00fas\u00edtv\u00e1nyt gener\u00e1lnak. Az akt\u00edv tan\u00fas\u00edtv\u00e1nyok sz\u00e1ma 192 milli\u00f3 (a tan\u00fas\u00edtv\u00e1ny h\u00e1rom h\u00f3napig \u00e9rv\u00e9nyes), \u00e9s k\u00f6r\u00fclbel\u00fcl 260 milli\u00f3t \u00f6lel fel. domainok<\/a> (egy \u00e9vvel ezel\u0151tt 195 milli\u00f3 domain volt lefedve, k\u00e9t \u00e9vvel ezel\u0151tt — 150 milli\u00f3, h\u00e1rom \u00e9vvel ezel\u0151tt — 60 milli\u00f3). A Firefox Telemetry szolg\u00e1ltat\u00e1s statisztik\u00e1i szerint a glob\u00e1lis oldalmegkeres\u00e9sek 82%-a HTTPS-en kereszt\u00fcl t\u00f6rt\u00e9nik (egy \u00e9vvel ezel\u0151tt — 81%, k\u00e9t \u00e9vvel ezel\u0151tt — 77%, h\u00e1rom \u00e9vvel ezel\u0151tt — 69%, n\u00e9gy \u00e9vvel ezel\u0151tt — 58%). 30 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f \u0432 17:01 \u043f\u043e \u043c\u043e\u0441\u043a\u043e\u0432\u0441\u043a\u043e\u043c\u0443 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0438\u0441\u0442\u0435\u043a\u0430\u0435\u0442 \u0432\u0440\u0435\u043c\u044f \u0436\u0438\u0437\u043d\u0438 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 IdenTrust (DST Root CA X3), \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0441\u044f \u0434\u043b\u044f \u043a\u0440\u043e\u0441\u0441-\u043f\u043e\u0434\u043f\u0438\u0441\u0438 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430 \u0443\u0434\u043e\u0441\u0442\u043e\u0432\u0435\u0440\u044f\u044e\u0449\u0435\u0433\u043e \u0446\u0435\u043d\u0442\u0440\u0430 Let’s Encrypt (ISRG Root X1), \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u043e\u0433\u043e \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u043e\u043c \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b \u0431\u0435\u0437\u0432\u043e\u0437\u043c\u0435\u0437\u0434\u043d\u043e \u0432\u0441\u0435\u043c \u0436\u0435\u043b\u0430\u044e\u0449\u0438\u043c. \u041f\u0435\u0440\u0435\u043a\u0440\u0451\u0441\u0442\u043d\u0430\u044f \u043f\u043e\u0434\u043f\u0438\u0441\u044c \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u043b\u0430 \u0434\u043e\u0432\u0435\u0440\u0438\u0435 \u043a \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430\u043c Let’s Encrypt \u043d\u0430 \u0448\u0438\u0440\u043e\u043a\u043e\u043c \u0441\u043f\u0435\u043a\u0442\u0440\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432, \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u0438 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u043e\u0432 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-101436","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47A IdenTrust gy\u00f6k\u00e9rtan\u00fas\u00edtv\u00e1ny elavul\u00e1sa bizalomveszt\u00e9shez vezet a Let's Encrypt ir\u00e1nt a r\u00e9gi eszk\u00f6z\u00f6k\u00f6n | ProHoster","description":"Szeptember 30-\u00e1n 17:01 \u00f3rakor (moszkvai id\u0151) lej\u00e1r az IdenTrust c\u00e9g (DST Root CA X3) gy\u00f6k\u00e9rtan\u00fas\u00edtv\u00e1ny\u00e1nak \u00e9lettartama, amelyet a Let's hiteles\u00edt\u0151 k\u00f6zpont gy\u00f6k\u00e9rtan\u00fas\u00edtv\u00e1ny\u00e1nak kereszt\u00fcl al\u00e1\u00edr\u00e1s\u00e1hoz haszn\u00e1ltak.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/ustarevanie-kornevogo-sertifikata-identrust-privedyot-k-potere-doveriya-k-lets-encrypt-na-staryh-ustrojstvah","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0423\u0441\u0442\u0430\u0440\u0435\u0432\u0430\u043d\u0438\u0435 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430 IdenTrust \u043f\u0440\u0438\u0432\u0435\u0434\u0451\u0442 \u043a \u043f\u043e\u0442\u0435\u0440\u0435 \u0434\u043e\u0432\u0435\u0440\u0438\u044f \u043a Let's Encrypt \u043d\u0430 \u0441\u0442\u0430\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445 | ProHoster","og:description":"30 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f \u0432 17:01 \u043f\u043e \u043c\u043e\u0441\u043a\u043e\u0432\u0441\u043a\u043e\u043c\u0443 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0438\u0441\u0442\u0435\u043a\u0430\u0435\u0442 \u0432\u0440\u0435\u043c\u044f \u0436\u0438\u0437\u043d\u0438 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 IdenTrust (DST Root CA X3), \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0441\u044f \u0434\u043b\u044f \u043a\u0440\u043e\u0441\u0441-\u043f\u043e\u0434\u043f\u0438\u0441\u0438 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430 \u0443\u0434\u043e\u0441\u0442\u043e\u0432\u0435\u0440\u044f\u044e\u0449\u0435\u0433\u043e \u0446\u0435\u043d\u0442\u0440\u0430 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Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"