{"id":77154,"date":"2020-04-08T07:41:59","date_gmt":"2020-04-08T05:41:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/microsoft-predlozhil-modul-yadra-linux-dlya-proverki-czelostnosti-sistemy"},"modified":"2020-04-08T07:41:59","modified_gmt":"2020-04-08T05:41:59","slug":"microsoft-predlozhil-modul-yadra-linux-dlya-proverki-czelostnosti-sistemy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/microsoft-predlozhil-modul-yadra-linux-dlya-proverki-czelostnosti-sistemy","title":{"rendered":"Microsoft hat ein Kernel-Modul f\u00fcr Linux zur \u00dcberpr\u00fcfung der Systemintegrit\u00e4t angeboten.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Entwickler von Microsoft die<\/a><\/noindex> Integrit\u00e4tspr\u00fcfmechanismus IPE<\/a><\/noindex> (Integrity Policy Enforcement), umgesetzt als LSM-Modul (Linux Security Module) f\u00fcr den Linux-Kernel. Das Modul erm\u00f6glicht die Festlegung einer allgemeinen Integrit\u00e4tspolitik f\u00fcr das gesamte System, die angibt, welche Operationen zul\u00e4ssig sind und wie die Authentizit\u00e4t der Komponenten zu verifizieren ist. Mit IPE kann festgelegt werden, welche ausf\u00fchrbaren Dateien gestartet werden d\u00fcrfen und sichergestellt werden, dass diese Dateien identisch mit der Version sind, die von einer vertrauensw\u00fcrdigen Quelle bereitgestellt wurde. Der Code offen<\/a><\/noindex> unterliegt der MIT-Lizenz.<\/p>\n

IPE zielt darauf ab, vollst\u00e4ndig verifizierbare Systeme zu schaffen, deren Integrit\u00e4t vom Bootloader und Kernel bis zu den endg\u00fcltigen ausf\u00fchrbaren Dateien, Konfigurationen und geladenen Dateien best\u00e4tigt wird. Bei \u00c4nderungen oder Manipulationen von Dateien kann IPE entweder die Operation blockieren oder das Vorliegen einer Integrit\u00e4tsverletzung protokollieren. Der vorgeschlagene Mechanismus kann in Firmware f\u00fcr eingebettete Ger\u00e4te eingesetzt werden, bei denen alle Software und Einstellungen speziell vom Eigent\u00fcmer zusammengestellt und bereitgestellt werden. Beispielsweise wird in Microsoft-Rechenzentren IPE in der Hardware f\u00fcr Firewalls eingesetzt.<\/p>\n

Im Gegensatz zu anderen Integrit\u00e4tspr\u00fcfsystemen, wie IMA<\/a><\/noindex>, IPE zeichnet sich durch die Unabh\u00e4ngigkeit von Metadaten im Dateisystem aus \u2014 alle Eigenschaften, die die Zul\u00e4ssigkeit von Operationen bestimmen, werden direkt im Kernel gespeichert. Zur \u00dcberpr\u00fcfung der Integrit\u00e4t von Dateiinhalten werden bereits vorhandene Mechanismen im Kernel verwendet, die kryptografische Hashes nutzen.
\ndm-verity<\/a><\/noindex> oder fs-verity<\/a><\/noindex>.
\nAnalog zu SELinux gibt es zwei Betriebsmodi: 'permissive' und 'enforce'. Im ersten Modus werden nur Probleme w\u00e4hrend der \u00dcberpr\u00fcfungen protokolliert, was beispielsweise f\u00fcr die vorl\u00e4ufige Testung der Umgebung verwendet werden kann.<\/p>\n

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

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

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\u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u043e \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0442\u044c \u0438 \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c, […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-77154","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\udd47Microsoft hat ein Linux-Kernel-Modul zur \u00dcberpr\u00fcfung der Systemintegrit\u00e4t vorgeschlagen | ProHoster","description":"Die Entwickler von Microsoft haben einen Integrit\u00e4tspr\u00fcfmechanismus 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