{"id":37310,"date":"2019-10-31T22:16:54","date_gmt":"2019-10-31T19:16:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/v-rest-client-i-eshhyo-10-ruby-paketah-vyyavlen-vredonosnyj-kod\/"},"modified":"2019-10-31T22:16:54","modified_gmt":"2019-10-31T19:16:54","slug":"v-rest-client-i-eshhyo-10-ruby-paketah-vyyavlen-vredonosnyj-kod","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/v-rest-client-i-eshhyo-10-ruby-paketah-vyyavlen-vredonosnyj-kod","title":{"rendered":"V rest-clientu a dal\u0161\u00edch 10 Ruby bal\u00ed\u010dc\u00edch byl zji\u0161t\u011bn \u0161kodliv\u00fd k\u00f3d","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>V popul\u00e1rn\u00edm gem bal\u00ed\u010dku <noindex><a rel=\"nofollow\" href=\"https:\/\/rubygems.org\/gems\/rest-client\">rest-client<\/a><\/noindex>, kter\u00fd m\u00e1 celkem 113 milion\u016f sta\u017een\u00ed, <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rest-client\/rest-client\/issues\/713\">byla odhalena<\/a><\/noindex> byla vlo\u017eena \u0161kodliv\u00e1 k\u00f3d (CVE-2019-15224), kter\u00e1 na\u010d\u00edt\u00e1 spou\u0161t\u011bc\u00ed p\u0159\u00edkazy a odes\u00edl\u00e1 informace na extern\u00ed server. \u00datok byl proveden prost\u0159ednictv\u00edm <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rest-client\/rest-client\/issues\/713#issuecomment-522735093\">kompromitace<\/a><\/noindex> \u00fa\u010dtu v\u00fdvoj\u00e1\u0159e rest-client v repozit\u00e1\u0159i rubygems.org, po kter\u00e9m \u00fato\u010dn\u00edci 13. a 14. srpna zve\u0159ejnili verze 1.6.10-1.6.13, kter\u00e9 obsahovaly \u0161kodliv\u00e9 zm\u011bny. P\u0159ed zablokov\u00e1n\u00edm nebezpe\u010dn\u00fdch verz\u00ed je sta\u010dilo st\u00e1hnout asi tis\u00edc u\u017eivatel\u016f (\u00fato\u010dn\u00edci, aby neupoutali pozornost, vydali aktualizace star\u00fdch verz\u00ed).<\/p>\n<p>Malicious modification overrides the method \u00ab#authenticate\u00bb in the class<br \/>\nIdentity, po \u010dem\u017e ka\u017ed\u00fd v\u00fdstup t\u00e9to metody vede k odesl\u00e1n\u00ed poskytnut\u00e9ho emailu a hesla \u00fato\u010dn\u00edk\u016fm. T\u00edmto zp\u016fsobem se prov\u00e1d\u00ed zachycen\u00ed p\u0159ihla\u0161ovac\u00edch \u00fadaj\u016f u\u017eivatel\u016f slu\u017eeb, kter\u00e9 pou\u017e\u00edvaj\u00ed t\u0159\u00eddu Identity a m\u011bly zranitelnou verzi knihovny rest-client, kter\u00e1 <noindex><a rel=\"nofollow\" href=\"https:\/\/rubygems.org\/gems\/rest-client\/reverse_dependencies\">figuruje<\/a><\/noindex> jako z\u00e1vislost v mnoha popul\u00e1rn\u00edch Ruby bal\u00ed\u010dc\u00edch, v\u010detn\u011b ast (64 milion\u016f sta\u017een\u00ed), oauth (32 milion\u016f), fastlane (18 milion\u016f) a kubeclient (3,7 milionu).<\/p>\n<p>Krom\u011b toho byl do k\u00f3du p\u0159id\u00e1n zadn\u00ed vchod, kter\u00fd umo\u017e\u0148uje vykon\u00e1n\u00ed libovoln\u00e9ho Ruby k\u00f3du prost\u0159ednictv\u00edm funkce eval. K\u00f3d je p\u0159ed\u00e1v\u00e1n prost\u0159ednictv\u00edm cookie podepsan\u00fdch kl\u00ed\u010dem \u00fato\u010dn\u00edka. Pro informov\u00e1n\u00ed \u00fato\u010dn\u00edk\u016f o instalaci \u0161kodliv\u00e9ho bal\u00ed\u010dku na extern\u00edm serveru je odes\u00edl\u00e1n URL c\u00edlov\u00e9ho syst\u00e9mu a sb\u00edrka informac\u00ed o prost\u0159ed\u00ed, jako jsou ulo\u017een\u00e1 hesla k datab\u00e1z\u00edm a cloudov\u00fdm slu\u017eb\u00e1m. S pou\u017eit\u00edm v\u00fd\u0161e zm\u00edn\u011bn\u00e9ho \u0161kodliv\u00e9ho k\u00f3du byly zaznamen\u00e1ny pokusy o stahov\u00e1n\u00ed skript\u016f pro t\u011b\u017ebu kryptom\u011bn.<\/p>\n<p>Po prostudov\u00e1n\u00ed \u0161kodliv\u00e9ho k\u00f3du bylo <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rubygems\/rubygems.org\/issues\/2097\">odhaleno<\/a><\/noindex>, \u017ee podobn\u00e9 zm\u011bny jsou p\u0159\u00edtomny je\u0161t\u011b v <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rubygems\/rubygems.org\/wiki\/Gems-yanked-and-accounts-locked#19-aug-2019\">10 bal\u00ed\u010dc\u00edch<\/a><\/noindex> v Ruby Gems, kter\u00e9 nebyly zachyceny, ale byly speci\u00e1ln\u011b p\u0159ipraveny \u00fato\u010dn\u00edky na z\u00e1klad\u011b dal\u0161\u00edch popul\u00e1rn\u00edch knihoven se podobn\u00fdmi n\u00e1zvy, kde byl poml\u010dka nahrazena podtr\u017e\u00edtkem nebo naopak (nap\u0159\u00edklad na z\u00e1klad\u011b <noindex><a rel=\"nofollow\" href=\"https:\/\/rubygems.org\/gems\/cron-parser\">cron-parser<\/a><\/noindex> byl vytvo\u0159en \u0161kodliv\u00fd bal\u00ed\u010dek cron_parser, a na z\u00e1klad\u011b <noindex><a rel=\"nofollow\" href=\"https:\/\/rubygems.org\/gems\/doge_coin\">doge_coin<\/a><\/noindex> \u0161kodliv\u00fd bal\u00ed\u010dek doge-coin). Problematick\u00e9 bal\u00ed\u010dky:<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/rubygems.org\/gems\/coin_base\">coin_base<\/a><\/noindex>: 4.2.2, 4.2.1\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/rubygems.org\/gems\/blockchain_wallet\">blockchain_wallet<\/a><\/noindex>: 0.0.6, 0.0.7\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/rubygems.org\/gems\/awesome-bot\">awesome-bot<\/a><\/noindex>: 1.18.0\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/rubygems.org\/gems\/doge-coin\">doge-coin<\/a><\/noindex>: 1.0.2\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/rubygems.org\/gems\/capistrano-colors\">capistrano-colors<\/a><\/noindex>: 0.5.5\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/rubygems.org\/gems\/bitcoin_vanity\">bitcoin_vanity<\/a><\/noindex>: 4.3.3\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/rubygems.org\/gems\/lita_coin\">lita_coin<\/a><\/noindex>: 0.0.3\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/rubygems.org\/gems\/coming-soon\">coming-soon<\/a><\/noindex>: 0.2.8\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/rubygems.org\/gems\/omniauth_amazon\">omniauth_amazon<\/a><\/noindex>: 1.0.1\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/rubygems.org\/gems\/cron_parser\">cron_parser<\/a><\/noindex>: 1.0.12, 1.0.13, 0.1.4\n<\/ul>\n<p>Prvn\u00ed \u0161kodliv\u00fd bal\u00ed\u010dek z tohoto seznamu byl um\u00edst\u011bn 12. kv\u011btna, ale v\u011bt\u0161ina se objevila v \u010dervenci. Celkem uveden\u00e9 bal\u00ed\u010dky byly sta\u017eeny asi 2500kr\u00e1t.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51321\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u043e\u043c gem-\u043f\u0430\u043a\u0435\u0442\u0435 rest-client, \u043d\u0430\u0441\u0447\u0438\u0442\u044b\u0432\u0430\u044e\u0449\u0435\u043c \u0432 \u0441\u0443\u043c\u043c\u0435 113 \u043c\u0438\u043b\u043b\u0438\u043e\u043d\u0430 \u0437\u0430\u0433\u0440\u0443\u0437\u043e\u043a, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 (CVE-2019-15224), \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0435 \u043a\u043e\u043c\u0430\u043d\u0434\u044b \u0438 \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u0442 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u043d\u0430 \u0432\u043d\u0435\u0448\u043d\u0438\u0439 \u0445\u043e\u0441\u0442. \u0410\u0442\u0430\u043a\u0430 \u0431\u044b\u043b\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0430 \u0447\u0435\u0440\u0435\u0437 \u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0430\u0446\u0438\u044e \u0443\u0447\u0451\u0442\u043d\u043e\u0439 \u0437\u0430\u043f\u0438\u0441\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430 rest-client \u0432 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438 rubygems.org, \u043f\u043e\u0441\u043b\u0435 \u0447\u0435\u0433\u043e \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0438 13 \u0438 14 \u0430\u0432\u0433\u0443\u0441\u0442\u0430 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0438 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 1.6.10-1.6.13, \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0438\u0435 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f. \u0414\u043e \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u0438 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u0439 \u0438\u0445 [&hellip;]<\/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-37310","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u043e\u043c gem-\u043f\u0430\u043a\u0435\u0442\u0435 rest-client, \u043d\u0430\u0441\u0447\u0438\u0442\u044b\u0432\u0430\u044e\u0449\u0435\u043c \u0432 \u0441\u0443\u043c\u043c\u0435 113 \u043c\u0438\u043b\u043b\u0438\u043e\u043d\u0430 \u0437\u0430\u0433\u0440\u0443\u0437\u043e\u043a,\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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