A Cloudflare, a tartalomk\u00e9zbes\u00edt\u0151 h\u00e1l\u00f3zat, amely a glob\u00e1lis internetforgalom k\u00f6r\u00fclbel\u00fcl 20%-\u00e1t szolg\u00e1lja ki, k\u00f6zz\u00e9tette egy bels\u0151 wiki-szolg\u00e1ltat\u00e1s\u00e1nak szerver\u00e9ben t\u00f6rt\u00e9nt bet\u00f6r\u00e9s jelent\u00e9s\u00e9t, amely az Atlassian Confluence platformon m\u0171k\u00f6dik, valamint az Atlassian Jira hibak\u00f6vet\u0151 rendszer\u00e9hez \u00e9s a Bitbucket k\u00f3dkezel\u0151 rendszerhez is kapcsol\u00f3dik. A vizsg\u00e1lat szerint a t\u00e1mad\u00f3 hozz\u00e1f\u00e9r\u00e9st szerzett a szerverhez a c\u00e9g okt\u00f3berben t\u00f6rt\u00e9nt Okta-bet\u00f6r\u00e9s\u00e9nek k\u00f6vetkezm\u00e9nyek\u00e9nt kapott tokenek kihaszn\u00e1l\u00e1s\u00e1val, amely sor\u00e1n hozz\u00e1f\u00e9r\u00e9si tokenek sziv\u00e1rogtak ki. <\/p>\n
Az \u0151sszel, az Okta bet\u00f6r\u00e9s\u00e9r\u0151l sz\u00f3l\u00f3 inform\u00e1ci\u00f3k nyilv\u00e1noss\u00e1gra hozatala ut\u00e1n a Cloudflare elind\u00edtotta a rendszeres\u00edtett hiteles\u00edt\u0151 adatok, kulcsok \u00e9s tokenek friss\u00edt\u00e9si folyamat\u00e1t, de kider\u00fclt, hogy egy token \u00e9s h\u00e1rom felhaszn\u00e1l\u00f3i fi\u00f3k (t\u00f6bb ezerb\u0151l) a bet\u00f6r\u00e9s k\u00f6vetkezt\u00e9ben nem lett lecser\u00e9lve, \u00e9s tov\u00e1bbra is m\u0171k\u00f6d\u00f6tt, amelyet a t\u00e1mad\u00f3 kihaszn\u00e1lt. Ezeket a hiteles\u00edt\u0151 adatokat t\u00f6r\u00f6ltnek tekintett\u00e9k, de val\u00f3j\u00e1ban hozz\u00e1f\u00e9r\u00e9st biztos\u00edtottak az Atlassian platformhoz, a Bitbucket k\u00f3dkezel\u0151 rendszerhez, egy SaaS alkalmaz\u00e1shoz, amely adminisztr\u00e1tori hozz\u00e1f\u00e9r\u00e9ssel rendelkezett az Atlassian Jira k\u00f6rnyezet\u00e9hez, \u00e9s egy AWS k\u00f6rnyezethez, amely a Cloudflare Apps katal\u00f3gust szolg\u00e1lta ki, de nem volt hozz\u00e1f\u00e9r\u00e9se a CDN infrastrukt\u00far\u00e1hoz, \u00e9s nem t\u00e1rolt bizalmas adatokat. <\/p>\n
Az incidens nem \u00e9rintette a Cloudflare felhaszn\u00e1l\u00f3inak adatait \u00e9s rendszereit. Az elv\u00e9gzett audit meg\u00e1llap\u00edtotta, hogy a t\u00e1mad\u00e1s az Atlassian term\u00e9kekre korl\u00e1toz\u00f3dott, \u00e9s nem terjedt ki m\u00e1sokra. szerverek<\/a>, a Cloudflare r\u00e9v\u00e9n alkalmazott null\u00e1s bizalom (Zero Trust) modellnek \u00e9s az infrastrukt\u00fara r\u00e9szeinek elszigetel\u00e9s\u00e9nek k\u00f6sz\u00f6nhet\u0151en. <\/p>\n A Cloudflare szerver\u00e9nek bet\u00f6r\u00e9s\u00e9t november 23-\u00e1n \u00e9szlelt\u00e9k, az els\u0151 enged\u00e9ly n\u00e9lk\u00fcli hozz\u00e1f\u00e9r\u00e9s nyomait pedig november 14-\u00e9n r\u00f6gz\u00edtett\u00e9k a wiki \u00e9s a hibak\u00f6vet\u0151 rendszer fel\u00e9. November 22-\u00e9n a t\u00e1mad\u00f3 egy h\u00e1ts\u00f3 ajt\u00f3t telep\u00edtett, amelyet a Jira ScriptRunner seg\u00edts\u00e9g\u00e9vel hozott l\u00e9tre a tart\u00f3s hozz\u00e1f\u00e9r\u00e9s \u00e9rdek\u00e9ben. Ugyanezen a napon a t\u00e1mad\u00f3 hozz\u00e1f\u00e9r\u00e9st kapott a forr\u00e1sk\u00f3d-kezel\u0151 rendszerhez, amely az Atlassian Bitbucket platformot haszn\u00e1lta. Ezt k\u00f6vet\u0151en csatlakoz\u00e1si k\u00eds\u00e9rleteket tettek egy konzolhoz, szerverhez<\/a>, amelyet egy m\u00e9g \u00fczembe nem helyezett braz\u00edliai adatk\u00f6zponthoz val\u00f3 hozz\u00e1f\u00e9r\u00e9sre haszn\u00e1ltak, de minden csatlakoz\u00e1si k\u00eds\u00e9rlet sikertelen volt. <\/p>\n A t\u00e1mad\u00f3 nyilv\u00e1nval\u00f3an a tartalomkezel\u0151 h\u00e1l\u00f3zat architekt\u00far\u00e1j\u00e1nak tanulm\u00e1nyoz\u00e1s\u00e1ra \u00e9s gyenge pontok keres\u00e9s\u00e9re korl\u00e1toz\u00f3dott. Tev\u00e9kenys\u00e9ge sor\u00e1n a t\u00e1mad\u00f3 kulcsszavakra keresett a wiki-ben, amelyek az t\u00e1voli hozz\u00e1f\u00e9r\u00e9sre, titkokra, openconnect-ra, cloudflared-re \u00e9s tokenekre vonatkoztak. A t\u00e1mad\u00f3 \u00f6sszesen 202 wiki-oldalt nyitott meg (194100-b\u00f3l) \u00e9s 36 probl\u00e9mabejegyz\u00e9st (2059357-b\u00f3l), amelyek a sebezhet\u0151s\u00e9gek kezel\u00e9s\u00e9vel \u00e9s a kulcsok rot\u00e1ci\u00f3j\u00e1val kapcsolatosak. Emellett 120 k\u00f3dreposit\u00f3riumot t\u00f6lt\u00f6tt le (11904-b\u0151l), amelyek t\u00f6bbs\u00e9ge adatment\u00e9sre, CDN be\u00e1ll\u00edt\u00e1s\u00e1ra \u00e9s kezel\u00e9s\u00e9re, azonos\u00edt\u00e1si rendszerekre, t\u00e1voli hozz\u00e1f\u00e9r\u00e9sre, valamint a Terraform \u00e9s Kubernetes platformok haszn\u00e1lat\u00e1ra vonatkozott. N\u00e9h\u00e1ny rep\u00f3ban titkos\u00edtott kulcsokat hagytak a k\u00f3dban, amelyeket az incidens ut\u00e1n azonnal kicser\u00e9ltek, annak ellen\u00e9re, hogy megb\u00edzhat\u00f3 titkos\u00edt\u00e1si m\u00f3dszereket alkalmaztak. \u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cloudflare, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0430\u044f \u0441\u0435\u0442\u044c \u0434\u043e\u0441\u0442\u0430\u0432\u043a\u0438 \u043a\u043e\u043d\u0442\u0435\u043d\u0442\u0430, \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u044e\u0449\u0443\u044e \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e 20% \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442-\u0442\u0440\u0430\u0444\u0438\u043a\u0430, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u043e\u0442\u0447\u0451\u0442 \u043e \u0432\u0437\u043b\u043e\u043c\u0435 \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u0437 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432 \u0432 \u0441\u0432\u043e\u0435\u0439 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435, \u043d\u0430 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043b \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0438\u0439 wiki-\u0441\u0430\u0439\u0442 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Atlassian Confluence, \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u043d\u0438\u044f \u043e\u0448\u0438\u0431\u043e\u043a Atlassian Jira \u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u043e\u043c Bitbucket. \u0420\u0430\u0437\u0431\u043e\u0440 \u043f\u043e\u043a\u0430\u0437\u0430\u043b, \u0447\u0442\u043e \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u0441\u043c\u043e\u0433 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[…]<\/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-113361","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\udd47 A Cloudflare felfedte egy szerver\u00e9nek felt\u00f6r\u00e9s\u00e9t | ProHoster","description":"A Cloudflare, a tartalomkezel\u0151 h\u00e1l\u00f3zat szolg\u00e1ltat\u00f3ja, amely k\u00f6r\u00fclbel\u00fcl 20%-\u00e1t szolg\u00e1lja ki az internetes forgalomnak, k\u00f6zz\u00e9tette egy szerver\u00e9nek felt\u00f6r\u00e9s\u00e9r\u0151l sz\u00f3l\u00f3 jelent\u00e9s\u00e9t, amelyen bels\u0151 rendszer 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Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"