{"id":112725,"date":"2024-01-06T15:10:27","date_gmt":"2024-01-06T13:10:28","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/komprometacziya-uchyotnoj-zapisi-privela-k-sboyu-bgp-marshrutizaczii-orange-espagne"},"modified":"2024-01-06T15:10:27","modified_gmt":"2024-01-06T13:10:28","slug":"komprometacziya-uchyotnoj-zapisi-privela-k-sboyu-bgp-marshrutizaczii-orange-espagne","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/komprometacziya-uchyotnoj-zapisi-privela-k-sboyu-bgp-marshrutizaczii-orange-espagne","title":{"rendered":"Kompromitteringen af kontoen f\u00f8rte til et BGP-routingfejl hos Orange Espa\u00f1a","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Inficering af administratorbrugerkontoen f\u00f8rte til n\u00e6sten fire timers nedetid for den n\u00e6stst\u00f8rste spanske teleoperat\u00f8r, Orange Espagne, som betjener 11 millioner abonnenter. Der blev brugt en forudsigelig adgangskode \"ripeadmin\" for at f\u00e5 adgang til RIPE NCCs registrarsystem, og multifaktorautentifikation var ikke aktiveret. <\/p>\n

Adgangskoden til RIPE blev opsnappet under et angreb p\u00e5 en af medarbejdernes systemer af malware og har siden september v\u00e6ret tilg\u00e6ngelig i databaser med komprimerede adgangskoder, der s\u00e6lges p\u00e5 det sorte marked. Det er bem\u00e6rkelsesv\u00e6rdigt, at udover Orange Espagne-kontoen er der ogs\u00e5 tusindvis af andre konti tilg\u00e6ngelige i de n\u00e6vnte databaser til adgang til access.ripe.net, som potentielt kan bruges til at udf\u00f8re lignende angreb. <\/p>\n

H\u00e6ndelsen var uopdaget indtil 2. januar, da en vandal fik adgang til RIPE NCC's webinterface og \u00e6ndrede indstillingerne for BGP og RPKI (Resource Public Key Infrastructure), hvilket resulterede i n\u00e6sten fire timers forstyrrelse af rutingen af cirka halvdelen af teleoperat\u00f8rens trafik. Angrebene f\u00f8rte til, at RPKI-teknologien, der skulle beskytte BGP-annoncer mod forfalskning, blev brugt til at blokere legitime annoncer. <\/p>\n

Angriberen oprettede flere nye RPKI ROA (Route Origin Authorization) poster, hvoraf nogle knyttede store blokke adresser fra Orange Espagne til en fremmed autonom system. Dette medf\u00f8rte, at de korrekte BGP-annoncer fra operat\u00f8rens autonome system blev blokeret p\u00e5 routere hos mange af de store operat\u00f8rer. Som f\u00f8lge heraf faldt antallet af BGP-ruter knyttet til Orange Espagne fra 9200 til 7400, og trafikken faldt n\u00e6sten med halvdelen.

\"Kompromitteringen<\/center> <\/p>\n

RPKI (Resource Public Key Infrastructure) bruges til autorisering af BGP-annoncer og g\u00f8r det muligt at identificere, om en BGP-annonce kommer fra netv\u00e6rksejeren eller ej. Ved brug af RPKI til autonome systemer og IP-adresser<\/a> opbygges der en tillid k\u00e6de fra IANA til de regionale registratorer (RIR), derefter til leverand\u00f8rerne (LIR) og endelig til slutbrugerne, hvilket g\u00f8r det muligt for tredjeparter at verificere, at en handling med ressourcen er udf\u00f8rt af dens ejer. Uden autorisering kan enhver operat\u00f8r annoncere en subnet med falske oplysninger om rute l\u00e6ngde og initiere transit af dele af trafikken fra andre systemer, der ikke anvender annoncefiltrering.
\n
Kilde: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0430\u0446\u0438\u044f \u0443\u0447\u0451\u0442\u043d\u043e\u0439 \u0437\u0430\u043f\u0438\u0441\u0438 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430 \u043f\u0440\u0438\u0432\u0435\u043b\u0430 \u043a \u043f\u043e\u0447\u0442\u0438 \u0447\u0435\u0442\u044b\u0440\u0451\u0445\u0447\u0430\u0441\u043e\u0432\u043e\u043c\u0443 \u0441\u0431\u043e\u044e \u0432 \u0440\u0430\u0431\u043e\u0442\u0435 \u0432\u0442\u043e\u0440\u043e\u0433\u043e \u043f\u043e \u0432\u0435\u043b\u0438\u0447\u0438\u043d\u0435 \u0438\u0441\u043f\u0430\u043d\u0441\u043a\u043e\u0433\u043e \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u0430 \u0441\u0432\u044f\u0437\u0438 Orange Espagne, \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e 11 \u043c\u043b\u043d \u0430\u0431\u043e\u043d\u0435\u043d\u0442\u043e\u0432. \u0414\u043b\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0443 \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430 RIPE NCC \u0432 Orange Espagne \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u043b\u0441\u044f \u043f\u0440\u0435\u0434\u0441\u043a\u0430\u0437\u0443\u0435\u043c\u044b\u0439 \u043f\u0430\u0440\u043e\u043b\u044c «ripeadmin» \u0438 \u043d\u0435 \u0431\u044b\u043b\u0430 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u0434\u0432\u0443\u0445\u0444\u0430\u043a\u0442\u043e\u0440\u043d\u0430\u044f \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f. \u041f\u0430\u0440\u043e\u043b\u044c \u043a RIPE \u0431\u044b\u043b \u043f\u0435\u0440\u0435\u0445\u0432\u0430\u0447\u0435\u043d \u0432 \u0445\u043e\u0434\u0435 \u043f\u043e\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u0437 \u0441\u043e\u0442\u0440\u0443\u0434\u043d\u0438\u043a\u043e\u0432 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":112726,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-112725","post","type-post","status-publish","format-standard","has-post-thumbnail","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\udd47Kompromittering af kontoen f\u00f8rte til BGP-rutingsvigt for Orange Espagne | ProHoster","description":"Kompromittering af administratoradgangskontoen f\u00f8rte til en n\u00e6sten fire timers nedetid for den n\u00e6stst\u00f8rste spanske teleoperat\u00f8r Orange Espagne, der betjener 11 millioner 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