{"id":36939,"date":"2019-10-31T22:14:51","date_gmt":"2019-10-31T19:14:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/opublikovan-kod-analizatora-bezopasnosti-proshivok-fwanalyzer\/"},"modified":"2019-10-31T22:14:51","modified_gmt":"2019-10-31T19:14:51","slug":"opublikovan-kod-analizatora-bezopasnosti-proshivok-fwanalyzer","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/opublikovan-kod-analizatora-bezopasnosti-proshivok-fwanalyzer","title":{"rendered":"Koden til sikkerhedsanalysetoollet FwAnalyzer er blevet offentliggjort","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Cruise, et firma der specialiserer sig i automatisk bilstyringsteknologi, \u00e5bnet<\/a><\/noindex> projektets kildekoder FwAnalyzer<\/a><\/noindex>, der leverer v\u00e6rkt\u00f8jer til analyse af firmwarebilleder baseret p\u00e5 Linux og identifikation af potentielle s\u00e5rbarheder og datal\u00e6kager. Koden er skrevet i Go og distribueres<\/a><\/noindex> er under Apache 2.0-licensen.<\/p>\n

underst\u00f8tter analyse af billeder, der bruger filsystemerne ext2\/3\/4, FAT\/VFat, SquashFS og UBIFS. For at udpakke billedet anvendes standardv\u00e6rkt\u00f8jer som e2tools, mtools, squashfs-tools og ubi_reader. FwAnalyzer udtr\u00e6kker katalogtr\u00e6et fra billedet og vurderer indholdet baseret p\u00e5 et s\u00e6t regler. Reglerne kan bindes til FS metadata, filtyper og indhold. Outputtet genererer en rapport i JSON-format, der opsummerer informationen udtrukket fra firmwaren og viser advarsler og en liste over filer, der ikke overholder de behandlede regler. <\/p>\n

underst\u00f8tter kontrol af fil- og katalogrettigheder (f.eks. identificere adgang til skrivning for alle og ukorrekte UID\/GID), identificerer tilstedev\u00e6relsen af eksekverbare filer med suid-flaget og brug af SELinux-m\u00e6rker, opdager glemte krypteringsn\u00f8gler og potentielt farlige filer. I indholdet fremh\u00e6ves efterladte ingeni\u00f8radgangskoder og debugoplysninger, oplysninger om versioner identificeres\/bekr\u00e6ftes via SHA-256 hashes, og der udf\u00f8res s\u00f8gning ved hj\u00e6lp af statiske masker og regul\u00e6re udtryk. Det er muligt at binde eksterne analysator-scripts til bestemte filtyper. For Android-baserede firmwares identificeres build-parametre (f.eks. brug af ro.secure=1, tilstand af ro.build.type og aktivering af SELinux).<\/p>\n

FwAnalyzer kan anvendes til at forenkle analysen af sikkerhedsproblemer i eksterne firmwares, men det prim\u00e6re form\u00e5l er kvalitetssikring af egne firmwares eller dem leveret af tredjepartsleverand\u00f8rer under kontrakt. FwAnalyzers regler tillader at danne en pr\u00e6cis specifikation af firmwaretilstanden og identificere uacceptable afvigelser, s\u00e5som tildeling af forkerte adgangsrettigheder eller efterladelse af lukkede n\u00f8gler og debugkode (f.eks. tillader kontrollen at undg\u00e5 situationer som efterladelse<\/a><\/noindex> af en ssh-server brugt under testfasen, foruddefineret<\/a><\/noindex> ingeni\u00f8rkode, tilg\u00e6ngeligt<\/a><\/noindex> med l\u00e6seadgang til \/etc\/config\/shadow eller glemte<\/a><\/noindex> n\u00f8gler<\/a><\/noindex> til oprettelse af digitale signaturer).<\/p>\n

\"Koden<\/a><\/noindex><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Kilde: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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SquashFS \u0438 UBIFS. \u0414\u043b\u044f \u0440\u0430\u0441\u043a\u0440\u044b\u0442\u0438\u044f […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":27676,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-36939","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\udd47 Koden til sikkerhedsanalyzeren for firmware FwAnalyzer er offentliggjort | ProHoster","description":"Cruise, et firma der specialiserer sig i teknologier til automatisk bilstyring, har 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