{"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\/nl\/blog\/news\/opublikovan-kod-analizatora-bezopasnosti-proshivok-fwanalyzer","title":{"rendered":"De code van de beveiligingsanalysator voor firmware FwAnalyzer is gepubliceerd","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Het bedrijf Cruise, gespecialiseerd in technologie\u00ebn voor automatische voertuigbesturing, <noindex><a rel=\"nofollow\" href=\"https:\/\/medium.com\/cruise\/firmware-security-fwanalyzer-dcbd95cef717\">heeft geopend<\/a><\/noindex> de broncodes van het project  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.fwanalyzer.io\">FwAnalyzer<\/a><\/noindex>, biedt tools voor het analyseren van firmware-images gebaseerd op Linux en het identificeren van mogelijke kwetsbaarheden en datalekken. De code is geschreven in de programmeertaal Go en <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/cruise-automation\/fwanalyzer\">wordt verspreid<\/a><\/noindex> onder de Apache 2.0-licentie.<\/p>\n<p>Ondersteunt de analyse van images die gebruikmaken van bestandssystemen zoals ext2\/3\/4, FAT\/VFat, SquashFS en UBIFS. Voor het openen van de images worden reguliere hulpprogramma's zoals e2tools, mtools, squashfs-tools en ubi_reader gebruikt. FwAnalyzer haalt een directory-structuur uit de image en evalueert de inhoud op basis van een set regels. De regels kunnen gekoppeld worden aan metadata van het bestandssysteem, bestandsindelingen en inhoud. Output is een rapport in JSON-formaat, dat de uit de firmware ingezamelde informatie samenvat en waarschuwingen en een lijst van bestanden geeft die niet voldoen aan de behandelde regels. <\/p>\n<p>Toegangsrechten voor bestanden en directories worden gecontroleerd (bijvoorbeeld wordt toegang voor iedereen tot schrijven en onjuiste UID\/GID vastgesteld), de aanwezigheid van uitvoerbare bestanden met de suid-vlag en het gebruik van SELinux-labels worden bepaald, en vergeten encryptiesleutels en potentieel gevaarlijke bestanden worden ge\u00efdentificeerd. In de inhoud worden achtergelaten engineer-wachtwoorden en debuggegevens gemarkeerd, versie-informatie wordt vastgesteld, en er wordt hashing met SHA-256 uitgevoerd. Zoekacties maken gebruik van statische maskers en reguliere expressies. Externe analyzerscripts kunnen aan specifieke bestandsindelingen worden gekoppeld. Voor firmware gebaseerd op Android worden bouwparameters gedefinieerd (bijvoorbeeld het gebruik van ro.secure=1, de toestand van ro.build.type en de activering van SELinux).<\/p>\n<p>FwAnalyzer kan worden gebruikt om het analyseren van beveiligingsproblemen in externe firmware te vergemakkelijken, maar het belangrijkste doel is kwaliteitscontrole van eigen firmware of die van externe leveranciers op contractbasis. De regels van FwAnalyzer stellen in staat om een nauwkeurige specificatie van de status van de firmware op te stellen en ontoelaatbare afwijkingen te identificeren, zoals het toekennen van onjuiste toegangsrechten of het achterlaten van geheime sleutels en debugcode (bijvoorbeeld de controle helpt situaties zoals <noindex><a rel=\"nofollow\" href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2018-5399\">het achterlaten van<\/a><\/noindex> een gebruikte ssh-server in de testfase, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=46175\">een vooraf gedefinieerd<\/a><\/noindex> engineer-wachtwoord, <noindex><a rel=\"nofollow\" href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2014-5457\">beschikbaar<\/a><\/noindex> toegang tot \/etc\/config\/shadow of <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=43043\">vergeten<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=42986\">sleutels<\/a><\/noindex> voor het genereren van digitale handtekeningen).<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/miro.medium.com\/max\/627\/0*pHcZA7XBqCy_pv2V?a.png\"><img decoding=\"async\" alt=\"De code van de beveiligingsanalysator voor firmware FwAnalyzer is gepubliceerd\" src=\"\/wp-content\/uploads\/2019\/08\/e4fe0f2486b7a3755e388756b8deafc9.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Bron: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51249\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cruise, \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u0443\u044e\u0449\u0430\u044f\u0441\u044f \u043d\u0430 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f\u0445 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0430\u0432\u0442\u043e\u043c\u043e\u0431\u0438\u043b\u044f\u043c\u0438, \u043e\u0442\u043a\u0440\u044b\u043b\u0430 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0435 \u0442\u0435\u043a\u0441\u0442\u044b \u043f\u0440\u043e\u0435\u043a\u0442\u0430 FwAnalyzer, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u044b \u0434\u043b\u044f \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u043e\u0431\u0440\u0430\u0437\u043e\u0432 \u043f\u0440\u043e\u0448\u0438\u0432\u043e\u043a \u043d\u0430 \u0431\u0430\u0437\u0435 Linux \u0438 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u0432 \u043d\u0438\u0445 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0438 \u0443\u0442\u0435\u0447\u0435\u043a \u0434\u0430\u043d\u043d\u044b\u0445. \u041a\u043e\u0434 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Go \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0430\u043d\u0430\u043b\u0438\u0437 \u043e\u0431\u0440\u0430\u0437\u043e\u0432, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0445 \u0444\u0430\u0439\u043b\u043e\u0432\u044b\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b ext2\/3\/4, FAT\/VFat, SquashFS \u0438 UBIFS. \u0414\u043b\u044f \u0440\u0430\u0441\u043a\u0440\u044b\u0442\u0438\u044f [&hellip;]<\/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<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cruise, \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u0443\u044e\u0449\u0430\u044f\u0441\u044f \u043d\u0430 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f\u0445 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0430\u0432\u0442\u043e\u043c\u043e\u0431\u0438\u043b\u044f\u043c\u0438, 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