{"id":31452,"date":"2019-10-31T21:41:20","date_gmt":"2019-10-31T18:41:20","guid":{"rendered":"https:\/\/prohoster.info\/blog\/podrobnosti-pro-vtoroj-vzlom-matrix-skomprometirovany-gpg-klyuchi-proekta\/"},"modified":"2019-10-31T21:41:20","modified_gmt":"2019-10-31T18:41:20","slug":"podrobnosti-pro-vtoroj-vzlom-matrix-skomprometirovany-gpg-klyuchi-proekta","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/podrobnosti-pro-vtoroj-vzlom-matrix-skomprometirovany-gpg-klyuchi-proekta","title":{"rendered":"R\u00e9szletek a Matrix m\u00e1sodik hackel\u00e9s\u00e9r\u0151l. A projekt GPG-kulcsai kompromitt\u00e1l\u00f3dtak.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00daj r\u00e9szletek ker\u00fcltek nyilv\u00e1noss\u00e1gra a Matrix decentraliz\u00e1lt \u00fczenetk\u00fcld\u0151 platform infrastrukt\u00far\u00e1j\u00e1nak hackel\u00e9s\u00e9r\u0151l, amelyr\u0151l reggel \u00e9rkezett h\u00edr. Az elk\u00f6vet\u0151k behatol\u00e1s\u00e1nak probl\u00e9m\u00e1s l\u00e1ncszeme a Jenkins folyamatos integr\u00e1ci\u00f3s rendszere volt, amely m\u00e1rcius 13-\u00e1n ker\u00fclt felt\u00f6r\u00e9sre. Ezut\u00e1n a Jenkins szerveren egy adminisztr\u00e1tor SSH-\u00fcgyf\u00e9lk\u00e9nti bejelentkez\u00e9s\u00e9t elfogt\u00e1k, \u00e9s \u00e1prilis 4-\u00e9n az elk\u00f6vet\u0151k hozz\u00e1f\u00e9r\u00e9st kaptak az infrastrukt\u00fara tov\u00e1bbi szervereihez.<\/p>\n

A m\u00e1sodik t\u00e1mad\u00e1s sor\u00e1n a matrix.org webhelyet egy m\u00e1sik szerverre (matrixnotorg.github.io) ir\u00e1ny\u00edtott\u00e1k \u00e1t a DNS-param\u00e9terek m\u00f3dos\u00edt\u00e1s\u00e1val, felhaszn\u00e1lva az els\u0151 t\u00e1mad\u00e1s sor\u00e1n megszerzett Cloudflare tartalomszolg\u00e1ltat\u00f3 API kulcs\u00e1t. A tartalom \u00fajragy\u0171jt\u00e9se ut\u00e1n szerverek<\/a> az els\u0151 hackel\u00e9s ut\u00e1n a Matrix adminisztr\u00e1torai csak az \u00faj szem\u00e9lyes kulcsokat friss\u00edtett\u00e9k, a Cloudflare kulcs friss\u00edt\u00e9se azonban elmaradt. <\/p>\n

A m\u00e1sodik t\u00e1mad\u00e1s sor\u00e1n a Matrix szerverei \u00e9rintetlenek maradtak, a v\u00e1ltoz\u00e1sok csak a DNS-c\u00edmlist\u00e1k m\u00f3dos\u00edt\u00e1s\u00e1ra terjedtek ki. Ha a felhaszn\u00e1l\u00f3 m\u00e1r megv\u00e1ltoztatta a jelszav\u00e1t az els\u0151 t\u00e1mad\u00e1s ut\u00e1n, akkor azt m\u00e1sodszor nem kell. De ha a jelsz\u00f3 m\u00e9g mindig nem ker\u00fclt megv\u00e1ltoztat\u00e1sra, azt a lehet\u0151 leghamarabb friss\u00edteni kell, mivel a jelszavakat tartalmaz\u00f3 adatb\u00e1zis sziv\u00e1rg\u00e1sa meger\u0151s\u00edt\u00e9st nyert. Jelenleg tervezik a jelsz\u00f3 k\u00f6telez\u0151 vissza\u00e1ll\u00edt\u00e1s\u00e1nak folyamat\u00e1t az \u00faj bejelentkez\u00e9skor.<\/p>\n

A jelsz\u00f3 sziv\u00e1rg\u00e1sa mellett meger\u0151s\u00edt\u00e9st nyert, hogy az elk\u00f6vet\u0151k kez\u00e9be ker\u00fclt a Debian Synapse t\u00e1rol\u00f3j\u00e1ban \u00e9s a Riot\/Web kiad\u00e1saiban digit\u00e1lis al\u00e1\u00edr\u00e1sok l\u00e9trehoz\u00e1s\u00e1hoz haszn\u00e1lt GPG-kulcsok is. A kulcsokat jelsz\u00f3 v\u00e9dte. Jelenleg a kulcsokat m\u00e1r visszavont\u00e1k. A kulcsokat \u00e1prilis 4-\u00e9n fogt\u00e1k el, de az\u00f3ta a Synapse nem adott ki friss\u00edt\u00e9st, de megjelent a Riot\/Web 1.0.7 \u00fcgyf\u00e9l (az el\u0151zetes ellen\u0151rz\u00e9s nem mutatta, hogy azt megs\u00e9rtett\u00e9k volna). <\/p>\n

Az elk\u00f6vet\u0151 egy sor jelent\u00e9st tett k\u00f6zz\u00e9 a t\u00e1mad\u00e1s r\u00e9szleteir\u0151l a GitHubon, de azokat elt\u00e1vol\u00edtott\u00e1k. Mindazon\u00e1ltal az arch\u00edvumban a jelent\u00e9sek megmaradtak.
\n
Forr\u00e1s: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043d\u043e\u0432\u044b\u0435 \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u043e \u0432\u0437\u043b\u043e\u043c \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u0434\u0435\u0446\u0435\u043d\u0442\u0440\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u043e\u0431\u043c\u0435\u043d\u0430 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f\u043c\u0438 Matrix, \u043e \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0441\u043e\u043e\u0431\u0449\u0430\u043b\u043e\u0441\u044c \u0443\u0442\u0440\u043e\u043c. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u043d\u044b\u043c \u0437\u0432\u0435\u043d\u043e\u043c, \u0447\u0435\u0440\u0435\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u043f\u0440\u043e\u043d\u0438\u043a\u043b\u0438 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0435 \u0431\u044b\u043b\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043d\u0435\u043f\u0440\u0435\u0440\u044b\u0432\u043d\u043e\u0439 \u0438\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u0438 Jenkins, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0431\u044b\u043b\u0430 \u0432\u0437\u043b\u043e\u043c\u0430\u043d\u0430 \u0435\u0449\u0451 13 \u043c\u0430\u0440\u0442\u0430. \u0417\u0430\u0442\u0435\u043c \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435 c Jenkins \u0431\u044b\u043b \u043f\u0435\u0440\u0435\u0445\u0432\u0430\u0447\u0435\u043d \u043f\u0435\u0440\u0435\u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0439 SSH-\u0430\u0433\u0435\u043d\u0442\u043e\u043c \u0432\u0445\u043e\u0434 \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u0437 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u043e\u0432 \u0438 4 \u0430\u043f\u0440\u0435\u043b\u044f \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0438 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0434\u0440\u0443\u0433\u0438\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u0430\u043c \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b. 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