{"id":114657,"date":"2024-03-30T00:25:55","date_gmt":"2024-03-29T22:25:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-kode-xz-versij-5-6-0-i-5-6-1-obnaruzhen-bekdor"},"modified":"2024-03-30T00:25:55","modified_gmt":"2024-03-29T22:25:55","slug":"v-kode-xz-versij-5-6-0-i-5-6-1-obnaruzhen-bekdor","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/v-kode-xz-versij-5-6-0-i-5-6-1-obnaruzhen-bekdor","title":{"rendered":"Az xz 5.6.0 \u00e9s 5.6.1 verzi\u00f3iban h\u00e1ts\u00f3 bej\u00e1ratra bukkantak","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Andres Freund, a Debian fejleszt\u0151je \u00e9s inform\u00e1ci\u00f3biztons\u00e1gi szakember jelentette be, hogy val\u00f3sz\u00edn\u0171leg h\u00e1ts\u00f3 bej\u00e1ratot tal\u00e1ltak az xz 5.6.0 \u00e9s 5.6.1 verzi\u00f3inak forr\u00e1sk\u00f3dj\u00e1ban.<\/p>\n

<\/p>\n

A h\u00e1ts\u00f3 bej\u00e1rat egy sor a m4-scriptek egyik\u00e9ben<\/a>, amely obfuszk\u00e1lt rosszindulat\u00fa k\u00f3dot ad hozz\u00e1 a configure script v\u00e9g\u00e9hez. Ez a k\u00f3d m\u00f3dos\u00edtja a projekt gener\u00e1lt Makefile-j\u00e9nek egyik\u00e9t, v\u00e9g\u00fcl pedig a rosszindulat\u00fa k\u00f3d (amelyet a bad-3-corrupt_lzma2.xz tesztarch\u00edvum alatt \u00e1lc\u00e1znak) beker\u00fcl a liblzma bin\u00e1ris f\u00e1jlba.<\/p>\n

<\/noindex><\/noindex> <\/p>\n

Az incidens saj\u00e1toss\u00e1ga, hogy a rosszindulat\u00fa k\u00f3d benne van a f\u0151 DB p\u00e9ld\u00e1nyhoz<\/em> az elosztott forr\u00e1sk\u00f3d tar-arch\u00edvumokban, \u00e9s nem tal\u00e1lhat\u00f3 a projekt git-t\u00e1rhely\u00e9n.<\/p>\n

Jelent\u00e9sek szerint az az ember, akinek nev\u00e9ben a rosszindulat\u00fa k\u00f3dot a projekt t\u00e1rol\u00f3j\u00e1ba adt\u00e1k, vagy k\u00f6zvetlen\u00fcl \u00e9rintett a t\u00f6rt\u00e9ntekben, vagy s\u00falyos kompromitt\u00e1ci\u00f3 \u00e1ldozat\u00e1v\u00e1 v\u00e1lt (de a szakember az els\u0151 lehet\u0151s\u00e9g fel\u00e9 hajlik, mivel ez az ember szem\u00e9lyesen r\u00e9szt vett n\u00e9h\u00e1ny, a rosszindulat\u00fa v\u00e1ltoz\u00e1sokkal kapcsolatos megbesz\u00e9l\u00e9sen).<\/p>\n

A link szerint a kutat\u00f3 megjegyzi, hogy a h\u00e1ts\u00f3 bej\u00e1rat c\u00e9lja l\u00e1that\u00f3an a k\u00f3d injekt\u00e1l\u00e1sa az sshd folyamatba \u00e9s az RSA-kulcsok ellen\u0151rz\u00e9s\u00e9nek manipul\u00e1l\u00e1sa, valamint t\u00f6bb m\u00f3dszert is felsorol, amelyekkel k\u00f6zvetve ellen\u0151rizheti, hogy a rosszindulat\u00fa k\u00f3d v\u00e9grehajt\u00f3dik-e aktu\u00e1lisan a rendszer\u00e9n.<\/p>\n

<\/p>\n

A openSUSE projekt<\/a>, a h\u00e1ts\u00f3 ajt\u00f3 k\u00f3dj\u00e1nak zavaros jellege \u00e9s a v\u00e1rhat\u00f3 kihaszn\u00e1l\u00e1si mechanizmus miatt neh\u00e9z meg\u00e1llap\u00edtani, hogy valaha is «aktiv\u00e1l\u00f3dott» -e ez a g\u00e9p, \u00e9s azt javasolja, hogy a rendszert teljesen telep\u00edts\u00fck \u00fajra, \u00e9s minden relev\u00e1ns kulcsot rot\u00e1ljunk azokon a g\u00e9peken, ahol legal\u00e1bb egyszer el\u0151fordultak fert\u0151z\u00f6tt xz verzi\u00f3k.<\/p>\n

<\/noindex><\/p>\n

Forr\u00e1s: linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a Debian \u0438 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0432 \u0441\u0444\u0435\u0440\u0435 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 Andres Freund \u0441\u043e\u043e\u0431\u0449\u0430\u0435\u0442 \u043e\u0431 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0438 \u0432\u0435\u0440\u043e\u044f\u0442\u043d\u043e\u0433\u043e \u0431\u044d\u043a\u0434\u043e\u0440\u0430 \u0432 \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u043c \u043a\u043e\u0434\u0435 xz \u0432\u0435\u0440\u0441\u0438\u0439 5.6.0 \u0438 5.6.1. \u0411\u044d\u043a\u0434\u043e\u0440 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u0441\u0442\u0440\u043e\u0447\u043a\u0443 \u0432 \u043e\u0434\u043d\u043e\u043c \u0438\u0437 m4-\u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0434\u043e\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442 \u043e\u0431\u0444\u0443\u0441\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0439 \u043a\u043e\u0434 \u0432 \u043a\u043e\u043d\u0435\u0446 \u0441\u043a\u0440\u0438\u043f\u0442\u0430 configure. \u042d\u0442\u043e\u0442 \u043a\u043e\u0434 \u0437\u0430\u0442\u0435\u043c \u043c\u043e\u0434\u0438\u0444\u0438\u0446\u0438\u0440\u0443\u0435\u0442 \u043e\u0434\u0438\u043d \u0438\u0437 \u0441\u0433\u0435\u043d\u0435\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 Makefile \u043f\u0440\u043e\u0435\u043a\u0442\u0430, \u0447\u0442\u043e \u0432 \u043a\u043e\u043d\u0435\u0447\u043d\u043e\u043c \u0438\u0442\u043e\u0433\u0435 \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442 \u043a […]<\/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-114657","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\udd47Az xz 5.6.0 \u00e9s 5.6.1 verzi\u00f3iban h\u00e1ts\u00f3 bej\u00e1ratra bukkantak | ProHoster","description":"Andres Freund, a Debian fejleszt\u0151je \u00e9s inform\u00e1ci\u00f3biztons\u00e1gi szakember jelentette be, hogy val\u00f3sz\u00edn\u0171leg h\u00e1ts\u00f3 bej\u00e1ratot tal\u00e1ltak az xz 5.6.0 \u00e9s 5.6.1 verzi\u00f3inak forr\u00e1sk\u00f3dj\u00e1ban. A h\u00e1ts\u00f3 bej\u00e1rat pedig.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/v-kode-xz-versij-5-6-0-i-5-6-1-obnaruzhen-bekdor","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","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\u0412 \u043a\u043e\u0434\u0435 xz \u0432\u0435\u0440\u0441\u0438\u0439 5.6.0 \u0438 5.6.1 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d \u0431\u044d\u043a\u0434\u043e\u0440 | ProHoster","og:description":"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a Debian \u0438 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0432 \u0441\u0444\u0435\u0440\u0435 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 Andres Freund \u0441\u043e\u043e\u0431\u0449\u0430\u0435\u0442 \u043e\u0431 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0438 \u0432\u0435\u0440\u043e\u044f\u0442\u043d\u043e\u0433\u043e \u0431\u044d\u043a\u0434\u043e\u0440\u0430 \u0432 \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u043c \u043a\u043e\u0434\u0435 xz \u0432\u0435\u0440\u0441\u0438\u0439 5.6.0 \u0438 5.6.1. \u0411\u044d\u043a\u0434\u043e\u0440 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442.","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/v-kode-xz-versij-5-6-0-i-5-6-1-obnaruzhen-bekdor","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2024-03-29T22:25:55+00:00","article:modified_time":"2024-03-29T22:25:55+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/114657","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=114657"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/114657\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=114657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=114657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=114657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}