{"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\/sk\/blog\/news\/microsoft-predlozhil-modul-yadra-linux-dlya-proverki-czelostnosti-sistemy","title":{"rendered":"Microsoft navrhol modul jadra Linux na overenie integrity syst\u00e9mu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V\u00fdvoj\u00e1ri spolo\u010dnosti Microsoft predstavili<\/a><\/noindex> mechanizmus overovania integrity IPE<\/a><\/noindex> (Integrity Policy Enforcement) implementovan\u00fd ako modul LSM (Linux Security Module) pre jadro Linuxu. Modul umo\u017e\u0148uje definova\u0165 celkov\u00fa politiku zabezpe\u010denia integrity pre cel\u00fd syst\u00e9m, ktor\u00e1 ur\u010duje, ak\u00e9 oper\u00e1cie s\u00fa povolen\u00e9 a ak\u00fdm sp\u00f4sobom by sa mala overi\u0165 autenticita komponentov. Pomocou IPE je mo\u017en\u00e9 uvies\u0165, ktor\u00e9 spustite\u013en\u00e9 s\u00fabory je povolen\u00e9 sp\u00fa\u0161\u0165a\u0165, a zaru\u010di\u0165, \u017ee tieto s\u00fabory s\u00fa identick\u00e9 s verziou poskytnutou d\u00f4veryhodn\u00fdm zdrojom. K\u00f3d spr\u00edstupnen\u00fd<\/a><\/noindex> pod licenciou MIT.<\/p>\n

IPE je zameran\u00fd na vytvorenie plne overite\u013en\u00fdch syst\u00e9mov, ktor\u00fdch integrita je potvrden\u00e1 od po\u010diato\u010dn\u00e9ho bootloadera a jadra a\u017e po kone\u010dn\u00e9 spustite\u013en\u00e9 s\u00fabory, konfigur\u00e1cie a na\u010d\u00edtan\u00e9 s\u00fabory. V pr\u00edpade zmeny alebo podvrhnutia s\u00faboru m\u00f4\u017ee IPE blokova\u0165 oper\u00e1ciu alebo zaznamen\u00e1va\u0165 fakt poru\u0161enia integrity. Navrhovan\u00fd mechanizmus sa m\u00f4\u017ee pou\u017e\u00edva\u0165 vo firmv\u00e9roch pre zabudovan\u00e9 zariadenia, kde je v\u0161etok softv\u00e9r a nastavenia \u0161peci\u00e1lne zostaven\u00e9 a poskytnut\u00e9 vlastn\u00edkom, napr\u00edklad v d\u00e1tov\u00fdch centr\u00e1ch. Microsoft IPE sa pou\u017e\u00edva v zariadeniach pre firewally.<\/p>\n

Od in\u00fdch syst\u00e9mov overovania integrity, ako s\u00fa IMA<\/a><\/noindex>, IPE sa vyzna\u010duje nez\u00e1vislos\u0165ou od metad\u00e1t v FS \u2014 v\u0161etky vlastnosti ur\u010duj\u00face opr\u00e1vnenos\u0165 oper\u00e1ci\u00ed s\u00fa ulo\u017een\u00e9 priamo v jadre. Na overenie integrity obsahu s\u00faborov sa pou\u017e\u00edvaj\u00fa u\u017e existuj\u00face mechanizmy v jadre zalo\u017een\u00e9 na kryptografick\u00fdch hachoch.
\ndm-verity<\/a><\/noindex> alebo fs-verity<\/a><\/noindex>.
\nPodobne ako pri SELinux je podporovan\u00e9 dva re\u017eimy prev\u00e1dzky \u201epermissive\u201c a \u201eenforce\u201c. V prvom re\u017eime sa iba zaznamen\u00e1va log probl\u00e9mov pri vykon\u00e1van\u00ed kontrol, \u010do m\u00f4\u017ee napr\u00edklad sl\u00fa\u017ei\u0165 na predbe\u017en\u00e9 testovanie prostredia.<\/p>\n

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

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

\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Microsoft \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u0438 IPE (Integrity Policy Enforcement), \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0432 \u0432\u0438\u0434\u0435 LSM-\u043c\u043e\u0434\u0443\u043b\u044f (Linux Security Module) \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux. \u041c\u043e\u0434\u0443\u043b\u044c \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u043e\u0431\u0449\u0443\u044e \u043f\u043e\u043b\u0438\u0442\u0438\u043a\u0443 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f 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