{"id":102799,"date":"2021-12-29T09:36:48","date_gmt":"2021-12-29T07:36:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/%d0%be%d0%b1%d0%bd%d0%be%d0%b2%d0%bb%d0%b5%d0%bd%d0%b8%d0%b5-log4j-2-17-1-%d1%81-%d1%83%d1%81%d1%82%d1%80%d0%b0%d0%bd%d0%b5%d0%bd%d0%b8%d0%b5%d0%bc-%d0%b5%d1%89%d1%91-%d0%be%d0%b4%d0%bd%d0%be%d0%b9"},"modified":"2021-12-29T09:36:48","modified_gmt":"2021-12-29T07:36:48","slug":"%d0%be%d0%b1%d0%bd%d0%be%d0%b2%d0%bb%d0%b5%d0%bd%d0%b8%d0%b5-log4j-2-17-1-%d1%81-%d1%83%d1%81%d1%82%d1%80%d0%b0%d0%bd%d0%b5%d0%bd%d0%b8%d0%b5%d0%bc-%d0%b5%d1%89%d1%91-%d0%be%d0%b4%d0%bd%d0%be%d0%b9","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/%d0%be%d0%b1%d0%bd%d0%be%d0%b2%d0%bb%d0%b5%d0%bd%d0%b8%d0%b5-log4j-2-17-1-%d1%81-%d1%83%d1%81%d1%82%d1%80%d0%b0%d0%bd%d0%b5%d0%bd%d0%b8%d0%b5%d0%bc-%d0%b5%d1%89%d1%91-%d0%be%d0%b4%d0%bd%d0%be%d0%b9","title":{"rendered":"Aktualiz\u00e1cia Log4j 2.17.1 s opravou \u010fal\u0161ej zranite\u013enosti","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Bol spusten\u00fd opraven\u00fd vydania kni\u017enice Log4j 2.17.1, 2.3.2-rc1 a 2.12.4-rc1, v ktor\u00fdch bola odstr\u00e1nen\u00e1 \u010fal\u0161ia zranite\u013enos\u0165 (CVE-2021-44832). Uv\u00e1dza sa, \u017ee probl\u00e9m umo\u017e\u0148uje vzdialen\u00e9 vykon\u00e1vanie k\u00f3du (RCE), av\u0161ak je ozna\u010den\u00fd ako nie ve\u013emi nebezpe\u010dn\u00fd (CVSS Score 6.6) a predstavuje sk\u00f4r teoretick\u00fd z\u00e1ujem, ke\u010f\u017ee vy\u017eaduje \u0161pecifick\u00e9 podmienky na zneu\u017eitie \u2014 \u00fato\u010dn\u00edk mus\u00ed ma\u0165 mo\u017enos\u0165 zmeni\u0165 s\u00fabor s nastaveniami Log4j, t.j. mus\u00ed ma\u0165 pr\u00edstup k napadnutej s\u00fastave a opr\u00e1vnenia na zmenu hodnoty parametra konfigur\u00e1cie log4j2.configurationFile alebo na vykonanie zmien v existuj\u00facich s\u00faboroch s nastaveniami pre z\u00e1znam. <\/p>\n

\u00datok spo\u010d\u00edva v ur\u010den\u00ed konfigur\u00e1cie na lok\u00e1lnom syst\u00e9me zalo\u017eenej na JDBC Appender, ktor\u00e1 odkazuje na extern\u00fd JNDI URI, pri \u017eiadosti o ktor\u00fd m\u00f4\u017ee by\u0165 vr\u00e1ten\u00e1 Java trieda na vykonanie. Predvolene nie je JDBC Appender nakonfigurovan\u00fd na spracovanie protokolov odli\u0161n\u00fdch od Java, t.j. bez zmeny konfigur\u00e1cie je \u00fatok nemo\u017en\u00fd. Okrem toho, probl\u00e9m sa prejavuje iba v JAR s\u00fabore log4j-core a net\u00fdka sa aplik\u00e1ci\u00ed, ktor\u00e9 pou\u017e\u00edvaj\u00fa JAR s\u00fabor log4j-api bez log4j-core. \t …
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 Log4j 2.17.1, 2.3.2-rc1 \u0438 2.12.4-rc1, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0435\u0449\u0451 \u043e\u0434\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-44832). \u0423\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043a\u043e\u0434\u0430 (RCE), \u043d\u043e \u043f\u0440\u0438 \u044d\u0442\u043e\u043c \u043f\u043e\u043c\u0435\u0447\u0435\u043d\u0430 \u043a\u0430\u043a \u043d\u0435\u043e\u043f\u0430\u0441\u043d\u0430\u044f (CVSS Score 6.6) \u0438 \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043b\u0438\u0448\u044c \u0442\u0435\u043e\u0440\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0438\u043d\u0442\u0435\u0440\u0435\u0441, \u0442\u0430\u043a \u043a\u0430\u043a \u0442\u0440\u0435\u0431\u0443\u0435\u0442 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u044b\u0445 \u0443\u0441\u043b\u043e\u0432\u0438\u0439 \u0434\u043b\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 — \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u0434\u043e\u043b\u0436\u0435\u043d \u0438\u043c\u0435\u0442\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0432\u043d\u0435\u0441\u0442\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 […]<\/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-102799","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\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\udd47Aktualiz\u00e1cia Log4j 2.17.1 s odstr\u00e1nen\u00edm \u010fal\u0161ej zranite\u013enosti | ProHoster","description":"Boli zverejnen\u00e9 opravy kni\u017enice Log4j 2.17.1, 2.3.2-rc1 a 2.12.4-rc1, v ktor\u00fdch bola odstr\u00e1nen\u00e1 \u010fal\u0161ia zranite\u013enos\u0165 (CVE-2021-44832).","canonical_url":"https:\/\/prohoster.info\/sk\/blog\/news\/%d0%be%d0%b1%d0%bd%d0%be%d0%b2%d0%bb%d0%b5%d0%bd%d0%b8%d0%b5-log4j-2-17-1-%d1%81-%d1%83%d1%81%d1%82%d1%80%d0%b0%d0%bd%d0%b5%d0%bd%d0%b8%d0%b5%d0%bc-%d0%b5%d1%89%d1%91-%d0%be%d0%b4%d0%bd%d0%be%d0%b9","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sk_SK","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 Log4j 2.17.1 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0435\u0449\u0451 \u043e\u0434\u043d\u043e\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 | ProHoster","og:description":"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 Log4j 2.17.1, 2.3.2-rc1 \u0438 2.12.4-rc1, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0435\u0449\u0451 \u043e\u0434\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c 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