{"id":102283,"date":"2021-11-14T15:36:53","date_gmt":"2021-11-14T13:36:53","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-predstavil-sistemu-fuzzing-testirovaniya-clusterfuzzlite"},"modified":"2021-11-14T15:36:53","modified_gmt":"2021-11-14T13:36:53","slug":"google-predstavil-sistemu-fuzzing-testirovaniya-clusterfuzzlite","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/google-predstavil-sistemu-fuzzing-testirovaniya-clusterfuzzlite","title":{"rendered":"Google p\u0159edstavil syst\u00e9m fuzzingov\u00e9ho testov\u00e1n\u00ed ClusterFuzzLite.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spole\u010dnost Google p\u0159edstavila projekt ClusterFuzzLite, kter\u00fd umo\u017e\u0148uje organizovat fuzzingov\u00e9 testov\u00e1n\u00ed k\u00f3du pro v\u010dasn\u00e9 odhalov\u00e1n\u00ed potenci\u00e1ln\u00edch zranitelnost\u00ed b\u011bhem pr\u00e1ce syst\u00e9m\u016f kontinu\u00e1ln\u00ed integrace. V sou\u010dasn\u00e9 dob\u011b lze ClusterFuzz pou\u017e\u00edt k automatizaci fuzzingov\u00e9ho testov\u00e1n\u00ed pull-\u017e\u00e1dost\u00ed v GitHub Actions, v Google Cloud Build a v Prow, ale v budoucnu se o\u010dek\u00e1v\u00e1 podpora i dal\u0161\u00edch CI syst\u00e9m\u016f. Projekt je zalo\u017een na platform\u011b ClusterFuzz, vytvo\u0159en\u00e9 pro koordinaci pr\u00e1ce klastr\u016f fuzzingov\u00e9ho testov\u00e1n\u00ed, a \u0161\u00ed\u0159\u00ed se pod licenc\u00ed Apache 2.0. <\/p>\n

Je zaznamen\u00e1no, \u017ee po zaveden\u00ed slu\u017eby OSS-Fuzz spole\u010dnost\u00ed Google v roce 2016 bylo v programu kontinu\u00e1ln\u00edho fuzzingov\u00e9ho testov\u00e1n\u00ed p\u0159ijato v\u00edce ne\u017e 500 d\u016fle\u017eit\u00fdch otev\u0159en\u00fdch projekt\u016f. Na z\u00e1klad\u011b proveden\u00fdch kontrol bylo odstran\u011bno v\u00edce ne\u017e 6500 potvrzen\u00fdch zranitelnost\u00ed a opraveno v\u00edce ne\u017e 21 tis\u00edc chyb. ClusterFuzzLite pokra\u010duje ve v\u00fdvoji mechanism\u016f fuzzingov\u00e9ho testov\u00e1n\u00ed s mo\u017enost\u00ed v\u010dasn\u00e9ho odhalen\u00ed probl\u00e9m\u016f v f\u00e1zi p\u0159ezkoum\u00e1n\u00ed navrhovan\u00fdch zm\u011bn. ClusterFuzzLite ji\u017e byl implementov\u00e1n do proces\u016f p\u0159ezkoum\u00e1n\u00ed zm\u011bn v projektech systemd a curl a umo\u017enil odhalovat chyby, kter\u00e9 byly p\u0159ehl\u00e9dnuty statick\u00fdmi analyz\u00e1tory a lintery pou\u017e\u00edvan\u00fdmi v po\u010d\u00e1te\u010dn\u00ed f\u00e1zi kontroly nov\u00e9ho k\u00f3du. <\/p>\n

ClusterFuzzLite podporuje kontrolu projekt\u016f v jazyc\u00edch C, C++, Java (a dal\u0161\u00edch jazyc\u00edch na b\u00e1zi JVM), Go, Python, Rust a Swift. Fuzzingov\u00e9 testov\u00e1n\u00ed se prov\u00e1d\u00ed pomoc\u00ed enginu LibFuzzer. K odhalen\u00ed chyb v pr\u00e1ci s pam\u011bt\u00ed a anom\u00e1li\u00ed mohou b\u00fdt rovn\u011b\u017e vy\u017e\u00e1d\u00e1ny n\u00e1stroje AddressSanitizer, MemorySanitizer a UBSan (UndefinedBehaviorSanitizer). <\/p>\n

Hlavn\u00ed mo\u017enosti ClusterFuzzLite: rychl\u00e1 kontrola navrhovan\u00fdch zm\u011bn k nalezen\u00ed chyb p\u0159ed p\u0159ijet\u00edm k\u00f3du; nahr\u00e1v\u00e1n\u00ed zpr\u00e1v o podm\u00ednk\u00e1ch vzniku p\u00e1d\u016f; mo\u017enost p\u0159echodu k podrobn\u011bj\u0161\u00edmu fuzzingov\u00e9mu testov\u00e1n\u00ed k odhalen\u00ed hlub\u0161\u00edch chyb, kter\u00e9 se neobjevily po kontrole zm\u011bny k\u00f3du; generov\u00e1n\u00ed coverage zpr\u00e1v pro hodnocen\u00ed pokryt\u00ed k\u00f3du b\u011bhem testov\u00e1n\u00ed; modul\u00e1rn\u00ed architektura umo\u017e\u0148uj\u00edc\u00ed v\u00fdb\u011br pot\u0159ebn\u00e9 funk\u010dnosti. <\/p>\n

P\u0159ipom\u00edn\u00e1me, \u017ee p\u0159i fuzzingov\u00e9m testov\u00e1n\u00ed doch\u00e1z\u00ed k generov\u00e1n\u00ed toku nejr\u016fzn\u011bj\u0161\u00edch n\u00e1hodn\u00fdch kombinac\u00ed vstupn\u00edch dat, kter\u00e1 jsou podobn\u00e1 skute\u010dn\u00fdm dat\u016fm (nap\u0159\u00edklad html str\u00e1nky s n\u00e1hodn\u00fdmi parametry tag\u016f, archivy nebo obr\u00e1zky s anom\u00e1ln\u00edmi hlavi\u010dkami atd.), a k zaznamen\u00e1v\u00e1n\u00ed mo\u017en\u00fdch chyb b\u011bhem jejich zpracov\u00e1n\u00ed. Pokud n\u011bjak\u00e1 sekvence zp\u016fsob\u00ed p\u00e1d nebo neodpov\u00edd\u00e1 o\u010dek\u00e1van\u00e9 reakci, pak to s vysokou pravd\u011bpodobnost\u00ed nazna\u010duje chybu nebo zranitelnost.
\n
Zdroj: 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 \u043f\u0440\u043e\u0435\u043a\u0442 ClusterFuzzLite, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c fuzzing-\u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043a\u043e\u0434\u0430 \u0434\u043b\u044f \u0440\u0430\u043d\u043d\u0435\u0433\u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u043d\u0430 \u044d\u0442\u0430\u043f\u0435 \u0440\u0430\u0431\u043e\u0442\u044b \u0441\u0438\u0441\u0442\u0435\u043c \u043d\u0435\u043f\u0440\u0435\u0440\u044b\u0432\u043d\u043e\u0439 \u0438\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u0438. \u0412 \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0435\u0435 \u0432\u0440\u0435\u043c\u044f ClusterFuzz \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0430\u0446\u0438\u0438 fuzzing-\u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f pull-\u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0432 GitHub Actions, \u0432 Google Cloud Build \u0438 \u0432 Prow, \u043d\u043e \u0432 \u0434\u0430\u043b\u044c\u043d\u0435\u0439\u0448\u0435\u043c \u043e\u0436\u0438\u0434\u0430\u0435\u0442\u0441\u044f \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0438 \u0434\u0440\u0443\u0433\u0438\u0445 CI-\u0441\u0438\u0441\u0442\u0435\u043c. \u041f\u0440\u043e\u0435\u043a\u0442 \u0431\u0430\u0437\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043d\u0430 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435 ClusterFuzz, 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