{"id":33301,"date":"2019-10-31T21:51:51","date_gmt":"2019-10-31T18:51:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/docker-obrazy-alpine-postavlyalis-s-pustym-parolem-polzovatelya-root\/"},"modified":"2019-10-31T21:51:51","modified_gmt":"2019-10-31T18:51:51","slug":"docker-obrazy-alpine-postavlyalis-s-pustym-parolem-polzovatelya-root","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/docker-obrazy-alpine-postavlyalis-s-pustym-parolem-polzovatelya-root","title":{"rendered":"Le immagini Docker Alpine venivano fornite con la password vuota per l'utente root.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

I ricercatori della sicurezza di Cisco hanno rivelato<\/a><\/noindex> dettagli sulla vulnerabilit\u00e0 (CVE-2019-5021) in build<\/a><\/noindex> distribuzione Alpine per il sistema di isolamento dei contenitori Docker. Il problema riscontrato \u00e8 che per l'utente root \u00e8 stata impostata di default una password vuota senza bloccare l'accesso diretto come root. Ricordiamo che Alpine \u00e8 utilizzato per formare le immagini ufficiali del progetto Docker (in passato, le versioni ufficiali si basavano su Ubuntu, ma poi sono tradotti<\/a><\/noindex> su Alpine).<\/p>\n

\u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441\u043e \u0441\u0431\u043e\u0440\u043a\u0438 Alpine Docker 3.3 \u0438 \u0431\u044b\u043b\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0440\u0435\u0433\u0440\u0435\u0441\u0441\u0438\u0432\u043d\u044b\u043c \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435\u043c, \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u043c \u0432 2015 \u0433\u043e\u0434\u0443 (\u0434\u043e \u0432\u0435\u0440\u0441\u0438\u0438 3.3 \u0432 \/etc\/shadow \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0430\u0441\u044c \u0441\u0442\u0440\u043e\u043a\u0430 «root:!::0:::::», \u0430 \u043f\u043e\u0441\u043b\u0435 \u0438\u0437-\u0437\u0430 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0444\u043b\u0430\u0433\u0430 «-d» \u0441\u0442\u0430\u043b\u0430 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0442\u044c\u0441\u044f \u0441\u0442\u0440\u043e\u043a\u0430 «root:::0:::::»). \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0431\u044b\u043b\u0430 \u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0438 \u00e8 stata corretta<\/a><\/noindex> a novembre 2015, ma a dicembre \u00e8 stato erroneamente ripristinato \u00e8 emerso<\/a><\/noindex> nei file di build del ramo sperimentale, per poi essere trasferito nelle versioni stabili.<\/p>\n

Nei dettagli sulla vulnerabilit\u00e0 \u00e8 indicato che il problema si manifesta anche nell'ultima versione di Alpine Docker 3.9. Gli sviluppatori di Alpine a marzo hanno rilasciato<\/a><\/noindex> la correzione e la vulnerabilit\u00e0 non si manifesta<\/a><\/noindex> A partire dalle versioni 3.9.2, 3.8.4, 3.7.3 e 3.6.5, ma rimane nelle vecchie ramificazioni 3.4.x e 3.5.x, il cui supporto \u00e8 gi\u00e0 terminato. Inoltre, gli sviluppatori affermano che il vettore per l'attacco \u00e8 fortemente limitato e richiede che l'attaccante abbia accesso alla stessa infrastruttura.<\/p>\n

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

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

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Il problema rilevato \u00e8 che per l'utente root \u00e8 stata impostata per impostazione predefinita una password vuota senza bloccare l'accesso diretto come root. 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