{"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\/fr\/blog\/news\/docker-obrazy-alpine-postavlyalis-s-pustym-parolem-polzovatelya-root","title":{"rendered":"Les images Docker Alpine \u00e9taient livr\u00e9es avec un mot de passe vide pour l'utilisateur root.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Des chercheurs en s\u00e9curit\u00e9 de Cisco ont r\u00e9v\u00e9l\u00e9<\/a><\/noindex> informations sur la vuln\u00e9rabilit\u00e9 (CVE-2019-5021) dans les versions<\/a><\/noindex> la distribution Alpine pour le syst\u00e8me d'isolation de conteneurs Docker. La nature du probl\u00e8me identifi\u00e9 est que pour l'utilisateur root, un mot de passe vide a \u00e9t\u00e9 d\u00e9fini par d\u00e9faut sans blocage de l'acc\u00e8s direct en tant que root. Rappelons qu'Alpine est utilis\u00e9 pour cr\u00e9er des images officielles du projet Docker (auparavant, les constructions officielles \u00e9taient bas\u00e9es sur Ubuntu, mais ensuite elles ont \u00e9t\u00e9 sont transf\u00e9r\u00e9es<\/a><\/noindex> sur Alpine).<\/p>\n

Le probl\u00e8me se manifeste depuis la version 3.3 d'Alpine Docker et a \u00e9t\u00e9 caus\u00e9 par un changement r\u00e9gressif introduit en 2015 (avant la version 3.3, la ligne «root:!::0:::::» \u00e9tait utilis\u00e9e dans \"\/etc\/shadow\", mais apr\u00e8s l'abandon du drapeau «-d», la ligne «root:::0:::::» a commenc\u00e9 \u00e0 \u00eatre ajout\u00e9e). Le probl\u00e8me a \u00e9t\u00e9 initialement d\u00e9tect\u00e9 et corrig\u00e9<\/a><\/noindex> en novembre 2015, mais en d\u00e9cembre, il a \u00e9t\u00e9 accidentellement r\u00e9introduit une grave<\/a><\/noindex> dans les fichiers d'assemblage de la branche exp\u00e9rimentale, puis a \u00e9t\u00e9 transf\u00e9r\u00e9 dans les versions stables.<\/p>\n

Les informations sur la vuln\u00e9rabilit\u00e9 indiquent que le probl\u00e8me appara\u00eet \u00e9galement dans la derni\u00e8re version Alpine Docker 3.9. Les d\u00e9veloppeurs d'Alpine en mars publi\u00e9s par<\/a><\/noindex> corrig\u00e9 et la vuln\u00e9rabilit\u00e9 n'appara\u00eet pas<\/a><\/noindex> \u00e0 partir des versions 3.9.2, 3.8.4, 3.7.3 et 3.6.5, mais reste dans les anciennes branches 3.4.x et 3.5.x, dont le support a d\u00e9j\u00e0 \u00e9t\u00e9 interrompu. De plus, les d\u00e9veloppeurs affirment que le vecteur d'attaque est fortement limit\u00e9 et n\u00e9cessite que l'attaquant ait acc\u00e8s \u00e0 la m\u00eame infrastructure.<\/p>\n

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

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

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