{"id":116911,"date":"2024-07-03T18:05:54","date_gmt":"2024-07-03T16:05:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-nachnyot-vyplachivat-voznagrazhdeniya-za-vyyavlenie-uyazvimostej-v-gipervizore-kvm"},"modified":"2024-07-03T18:05:54","modified_gmt":"2024-07-03T16:05:54","slug":"google-nachnyot-vyplachivat-voznagrazhdeniya-za-vyyavlenie-uyazvimostej-v-gipervizore-kvm","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/google-nachnyot-vyplachivat-voznagrazhdeniya-za-vyyavlenie-uyazvimostej-v-gipervizore-kvm","title":{"rendered":"Google kommer att b\u00f6rja utbetala bel\u00f6ningar f\u00f6r att identifiera s\u00e5rbarheter i hypervisorn KVM.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Google har lanserat initiativet kvmCTF, d\u00e4r s\u00e4kerhetsforskare kan f\u00e5 ekonomiska bel\u00f6ningar f\u00f6r att uppt\u00e4cka s\u00e5rbarheter i hypervisorn KVM (Kernel-baserad virtuell maskin). Googles intresse f\u00f6r KVM beror p\u00e5 anv\u00e4ndningen av denna hypervisor i Google Cloud-tj\u00e4nsten, samt i plattformarna Android och ChromeOS (CrosVM \u00e4r baserat p\u00e5 KVM). F\u00f6r att f\u00e5 en bel\u00f6ning m\u00e5ste en attack utf\u00f6ras i en s\u00e4rskilt f\u00f6rberedd CTF (Capture the Flag) milj\u00f6 baserad p\u00e5 den senaste Linux-k\u00e4rnan, som driver en virtuell maskin med \u00e5tkomst via ans\u00f6kningar. Angriparen ombeds utnyttja en s\u00e5rbarhet i subsystemet KVM<\/a> i Linux-k\u00e4rnan som hanterar v\u00e4rdsystemet i denna milj\u00f6.<\/p>\n

F\u00f6r att identifiera en tidigare ok\u00e4nd s\u00e5rbarhet som m\u00f6jligg\u00f6r att man kan l\u00e4mna en virtuell maskin, erbjuds en betalning p\u00e5 250 000 dollar, och f\u00f6r s\u00e5rbarheter som m\u00f6jligg\u00f6r skrivning till ett godtyckligt minnesomr\u00e5de, 100 000 dollar. F\u00f6r s\u00e5rbarheter som leder till l\u00e4sning fr\u00e5n ett godtyckligt minnesomr\u00e5de eller skrivning till angr\u00e4nsande minnesomr\u00e5den, utlovas en betalning p\u00e5 50 000 dollar, f\u00f6r DoS-s\u00e5rbarhet 20 000 dollar, och f\u00f6r l\u00e4sning fr\u00e5n angr\u00e4nsande minnesomr\u00e5de 10 000 dollar. Bel\u00f6ningen f\u00f6r skrivning eller l\u00e4sning av ett godtyckligt minnesomr\u00e5de kan erh\u00e5llas genom att \u00e4ndra eller h\u00e4mta v\u00e4rdet av en specifik adress i minnet, och i fallet med angr\u00e4nsande omr\u00e5de, f\u00f6r fel som erk\u00e4nns av fels\u00f6kningsverktyget KASAN (Kernel address sanitizer), s\u00e5som buffert\u00f6verfl\u00f6de eller \u00e5tkomst till ett redan frigivet minnesomr\u00e5de. Bel\u00f6ningen f\u00f6r DoS-s\u00e5rbarhet betalas vid detektion av null-pointer-dereferencing (null-ptr-deref i KASAN).
\n
K\u00e4lla: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0438\u043d\u0438\u0446\u0438\u0430\u0442\u0438\u0432\u0443 kvmCTF, \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u043c\u043e\u0433\u0443\u0442 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u0435\u043d\u0435\u0436\u043d\u043e\u0435 \u0432\u043e\u0437\u043d\u0430\u0433\u0440\u0430\u0436\u0434\u0435\u043d\u0438\u0435 \u0437\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0435 KVM (Kernel-based Virtual Machine). \u0418\u043d\u0442\u0435\u0440\u0435\u0441 Google \u043a KVM \u043e\u0431\u0443\u0441\u043b\u043e\u0432\u043b\u0435\u043d \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0430 \u0432 \u0441\u0435\u0440\u0432\u0438\u0441\u0435 Google Cloud, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0432 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430\u0445 Android \u0438 ChromeOS (CrosVM \u043e\u0441\u043d\u043e\u0432\u0430\u043d \u043d\u0430 KVM). \u0414\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u0432\u043e\u0437\u043d\u0430\u0433\u0440\u0430\u0436\u0434\u0435\u043d\u0438\u044f \u0434\u043e\u043b\u0436\u0435\u043d \u0431\u044b\u0442\u044c \u043f\u0440\u043e\u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d \u0432\u0437\u043b\u043e\u043c \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u043e\u0433\u043e […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-116911","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\udd47Google kommer att b\u00f6rja betala bel\u00f6ningar f\u00f6r att uppt\u00e4cka s\u00e5rbarheter i hypervisorn KVM | ProHoster","description":"Google har lanserat initiativet kvmCTF, d\u00e4r s\u00e4kerhetsforskare kan f\u00e5 ekonomiska bel\u00f6ningar f\u00f6r att uppt\u00e4cka s\u00e5rbarheter i hypervisorn KVM (Kernel-baserad virtuell maskin).","canonical_url":"https:\/\/prohoster.info\/sv\/blog\/news\/google-nachnyot-vyplachivat-voznagrazhdeniya-za-vyyavlenie-uyazvimostej-v-gipervizore-kvm","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sv_SE","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\udd47Google \u043d\u0430\u0447\u043d\u0451\u0442 \u0432\u044b\u043f\u043b\u0430\u0447\u0438\u0432\u0430\u0442\u044c \u0432\u043e\u0437\u043d\u0430\u0433\u0440\u0430\u0436\u0434\u0435\u043d\u0438\u044f \u0437\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0435 KVM | ProHoster","og:description":"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0438\u043d\u0438\u0446\u0438\u0430\u0442\u0438\u0432\u0443 kvmCTF, \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u043c\u043e\u0433\u0443\u0442 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u0435\u043d\u0435\u0436\u043d\u043e\u0435 \u0432\u043e\u0437\u043d\u0430\u0433\u0440\u0430\u0436\u0434\u0435\u043d\u0438\u0435 \u0437\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u0433\u0438\u043f\u0435\u0440\u0432\u0438\u0437\u043e\u0440\u0435 KVM (Kernel-based Virtual 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