{"id":104694,"date":"2022-07-24T21:36:39","date_gmt":"2022-07-24T19:36:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-web-frejmvorke-grails-i-ruby-module-tzinfo"},"modified":"2022-07-24T21:36:39","modified_gmt":"2022-07-24T19:36:39","slug":"uyazvimosti-v-web-frejmvorke-grails-i-ruby-module-tzinfo","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/uyazvimosti-v-web-frejmvorke-grails-i-ruby-module-tzinfo","title":{"rendered":"Vulnerabilit\u0103\u021bi \u00een framework-ul web Grails \u0219i modulul Ruby TZInfo","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00cen framework-ul web Grails, destinat dezvolt\u0103rii aplica\u021biilor web conform paradigmei MVC pe Java, Groovy \u0219i alte limbaje pentru JVM, a fost identificat\u0103 o vulnerabilitate care permite executarea codului propriu de la distan\u021b\u0103 \u00een mediul \u00een care ruleaz\u0103 aplica\u021bia web. Exploatarea vulnerabilit\u0103\u021bii se realizeaz\u0103 prin trimiterea unei cereri special formulate, care ofer\u0103 atacatorului acces la ClassLoader. Problema a fost cauzat\u0103 de o deficien\u021b\u0103 \u00een logica de legare a datelor (data-binding), utilizat\u0103 at\u00e2t la crearea obiectelor, c\u00e2t \u0219i la legarea manual\u0103 folosind bindData. Problema a fost remediat\u0103 \u00een versiunile 3.3.15, 4.1.1, 5.1.9 \u0219i 5.2.1. <\/p>\n

Se poate men\u021biona \u0219i o vulnerabilitate \u00een modulul Ruby tzinfo, care permite \u00eenc\u0103rcarea con\u021binutului oric\u0103rui fi\u0219ier, \u00een func\u021bie de permisiunile aplica\u021biei atacate. Vulnerabilitatea este legat\u0103 de lipsa unei verific\u0103ri corespunz\u0103toare pentru utilizarea caracterelor speciale \u00een numele fusului orar, specificat \u00een metoda TZInfo::Timezone.get. Problema afecteaz\u0103 aplica\u021biile care transmit date externe necontrolate \u00een TZInfo::Timezone.get. De exemplu, pentru a citi fi\u0219ierul \/tmp\/payload, se poate specifica o valoare de tipul \u201efoo\n\/..\/..\/..\/..\/tmp\/payload\u201d.
\n
Sursa: opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 web-\u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0435 Grails, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u043c \u0434\u043b\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 web-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0432 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u043f\u0430\u0440\u0430\u0434\u0438\u0433\u043c\u043e\u0439 MVC \u043d\u0430 Java, Groovy \u0438 \u043d\u0430 \u0434\u0440\u0443\u0433\u0438\u0445 \u044f\u0437\u044b\u043a\u0430\u0445 \u0434\u043b\u044f JVM, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0441\u0432\u043e\u0439 \u043a\u043e\u0434 \u0432 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0438, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f web-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0437\u0430\u043f\u0440\u043e\u0441\u0430, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u043c\u0443 \u0434\u043e\u0441\u0442\u0443\u043f \u043a ClassLoader. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043d\u0435\u0434\u043e\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0432 \u043b\u043e\u0433\u0438\u043a\u0435 \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 (data-binding), […]<\/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-104694","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\udd47Vulnerabilit\u0103\u021bi \u00een framework-ul web Grails \u0219i modulul Ruby TZInfo | ProHoster","description":"\u00cen framework-ul web Grails, destinat dezvolt\u0103rii aplica\u021biilor web conform 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