{"id":121007,"date":"2024-12-17T21:46:00","date_gmt":"2024-12-17T19:46:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-apache-struts-pozvolyayushhaya-vypolnit-kod-na-servere"},"modified":"2024-12-17T21:46:00","modified_gmt":"2024-12-17T19:46:00","slug":"uyazvimost-v-apache-struts-pozvolyayushhaya-vypolnit-kod-na-servere","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-v-apache-struts-pozvolyayushhaya-vypolnit-kod-na-servere","title":{"rendered":"Apache Struts s\u00e9r\u00fcl\u00e9kenys\u00e9g, amely lehet\u0151v\u00e9 teszi a k\u00f3d v\u00e9grehajt\u00e1s\u00e1t a szerveren","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Az Apache Struts webkeretrendszer\u00e9ben, amelyet Java alap\u00fa webalkalmaz\u00e1sok k\u00e9sz\u00edt\u00e9s\u00e9re haszn\u00e1lnak az MVC (Model-View-Controller) paradigma alkalmaz\u00e1s\u00e1val, felfedeztek egy s\u00e9r\u00fcl\u00e9kenys\u00e9get (CVE-2024-53677). A s\u00e9r\u00fcl\u00e9kenys\u00e9g lehet\u0151v\u00e9 teszi a k\u00fcls\u0151 t\u00e1mad\u00f3 sz\u00e1m\u00e1ra, hogy f\u00e1jlt \u00edrjon a f\u00e1jlrendszer b\u00e1rmely hely\u00e9re a szerveren egy speci\u00e1lisan form\u00e1zott HTTP-k\u00e9r\u00e9s elk\u00fcld\u00e9s\u00e9vel. A probl\u00e9ma \u00e9rinti a 2.0.0-2.3.37, 2.5.0-2.5.33 \u00e9s 6.0.0-6.3.0.2 k\u00f6z\u00f6tti kiad\u00e1sokat, \u00e9s megjelenik az olyan alkalmaz\u00e1sokban, amelyek a FileUploadInterceptor komponenst haszn\u00e1lj\u00e1k f\u00e1jlok felt\u00f6lt\u00e9s\u00e9re. <\/p>\n

A sebezhet\u0151s\u00e9g a f\u00e1jlok felt\u00f6lt\u00e9sekor \u00e1tadott param\u00e9terek megfelel\u0151 ellen\u0151rz\u00e9s\u00e9nek hi\u00e1ny\u00e1b\u00f3l ad\u00f3dik. Amennyiben hozz\u00e1f\u00e9r\u00e9s van a f\u00e1jlfelt\u00f6lt\u00e9si funkci\u00f3khoz az Apache Struts alap\u00fa webes fel\u00fcleten, a t\u00e1mad\u00f3 megadhat egy olyan \u00e9rt\u00e9ket, mint p\u00e9ld\u00e1ul \u201e..\\\/..\\\/..\\\/..\\\/..\\\/webapps\\\/ROOT\u201d, \u00e9s el\u00e9rheti, hogy a f\u00e1jl a felt\u00f6lt\u00e9si adatok t\u00e1rol\u00e1s\u00e1ra szolg\u00e1l\u00f3 mappa hat\u00e1rain k\u00edv\u00fcl ker\u00fclj\u00f6n ment\u00e9sre (exploitat\u00edv protot\u00edpus). Ha lehet\u0151s\u00e9g ny\u00edlik f\u00e1jlok \u00edr\u00e1s\u00e1ra a f\u00e1jlrendszer tetsz\u0151leges r\u00e9szeibe, akkor saj\u00e1t parancsait lehet v\u00e9grehajtani. szerveren<\/a>, fel\u00fcl\u00edrva a szkripteket vagy a konfigur\u00e1ci\u00f3s f\u00e1jlokat a felhaszn\u00e1l\u00f3 jogaival, amely alatt a webalkalmaz\u00e1s fut. Ha a webalkalmaz\u00e1s egy root jogokkal fut\u00f3 Apache Tomcat tart\u00e1lyban fut, a t\u00e1mad\u00f3 privilegiz\u00e1lt hozz\u00e1f\u00e9r\u00e9st szerezhet a rendszerhez. <\/p>\n

Az Apache Struts s\u00e9r\u00fcl\u00e9kenys\u00e9gei fontosak, mivel ez a keretrendszer n\u00e9pszer\u0171 v\u00e1llalati rendszerekben, amelyeket weben kereszt\u00fcl \u00e9rnek el. A RedMonk statisztik\u00e1i szerint az Apache Struts keretrendszert a Fortune 100-as lista 65% -\u00e1nak webalkalmaz\u00e1saiban haszn\u00e1lt\u00e1k. A 2017-es t\u00e1mad\u00e1s az Equifax informatikai rendszer\u00e9n, amely a s\u00e9r\u00fcl\u00e9keny Apache Struts verzi\u00f3t haszn\u00e1lta, 143 milli\u00f3 amerikai \u00e1llampolg\u00e1r szem\u00e9lyes adatainak kisziv\u00e1rg\u00e1s\u00e1hoz vezetett.
\n
Forr\u00e1s: opennet.ru<\/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 Apache Struts, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u043c \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f web-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Java \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043f\u0430\u0440\u0430\u0434\u0438\u0433\u043c\u044b \u041cV\u0421 (Model-View-Controller), \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2024-53677). \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0434\u0430\u0451\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0432\u043d\u0435\u0448\u043d\u0435\u043c\u0443 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0443 \u0437\u0430\u043f\u0438\u0441\u0430\u0442\u044c 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