{"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\/it\/blog\/news\/google-nachnyot-vyplachivat-voznagrazhdeniya-za-vyyavlenie-uyazvimostej-v-gipervizore-kvm","title":{"rendered":"Google inizier\u00e0 a erogare ricompense per la segnalazione di vulnerabilit\u00e0 nel hypervisor KVM","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Google ha presentato l'iniziativa kvmCTF, nell'ambito della quale i ricercatori di sicurezza possono ricevere una ricompensa in denaro per la scoperta di vulnerabilit\u00e0 nel hypervisor KVM (Kernel-based Virtual Machine). L'interesse di Google per KVM \u00e8 legato all'uso di questo hypervisor nel servizio Google Cloud, cos\u00ec come nelle piattaforme Android e ChromeOS (CrosVM \u00e8 basato su KVM). Per ricevere la ricompensa, deve essere dimostrato un attacco a un ambiente CTF (Capture the Flag) appositamente preparato, basato su un kernel Linux aggiornato, che esegue una macchina virtuale a cui si accede su richiesta. Si invita l'attaccante a sfruttare una vulnerabilit\u00e0 nel sotto-sistema KVM<\/a> nel kernel Linux, che garantisce il funzionamento del sistema host in questo ambiente.<\/p>\n

Per la scoperta di una vulnerabilit\u00e0 precedentemente sconosciuta che consente di uscire da una macchina virtuale, \u00e8 prevista una ricompensa di 250.000 dollari, mentre per le vulnerabilit\u00e0 che permettono di scrivere in un'area di memoria arbitraria, la ricompensa \u00e8 di 100.000 dollari. Per vulnerabilit\u00e0 che portano alla lettura da un'area di memoria arbitraria o alla scrittura in aree di memoria adiacenti, \u00e8 prevista una ricompensa di 50.000 dollari, per una vulnerabilit\u00e0 DoS \u00e8 di 20.000 dollari, e per la lettura da un'area di memoria adiacente \u00e8 di 10.000 dollari. La ricompensa per la scrittura o la lettura di un'area di memoria arbitraria pu\u00f2 essere ottenuta modificando o recuperando il valore di un indirizzo specifico in memoria, e nel caso di un'area adiacente, per errori riconosciuti dallo strumento di debug KASAN (Kernel Address Sanitizer), come il buffer overflow o l'accesso a un'area di memoria gi\u00e0 liberata. La ricompensa per la vulnerabilit\u00e0 DoS viene pagata quando viene identificato un dereference di puntatore nullo (null-ptr-deref in KASAN).
\n
Fonte: 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 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\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\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 inizier\u00e0 a pagare ricompense per la scoperta di vulnerabilit\u00e0 nell'hypervisor KVM | ProHoster","description":"Google ha presentato l'iniziativa kvmCTF, nell'ambito della quale i ricercatori di sicurezza possono ricevere una ricompensa in denaro per la scoperta di vulnerabilit\u00e0 nel hypervisor KVM (Kernel-based 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