{"id":35393,"date":"2019-10-31T22:04:04","date_gmt":"2019-10-31T19:04:04","guid":{"rendered":"https:\/\/prohoster.info\/blog\/tcp-sack-panic-uyazvimosti-yadra-privodyashhie-k-udalennomu-otkazu-v-obsluzhivanii\/"},"modified":"2019-10-31T22:04:04","modified_gmt":"2019-10-31T19:04:04","slug":"tcp-sack-panic-uyazvimosti-yadra-privodyashhie-k-udalennomu-otkazu-v-obsluzhivanii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/novosti-interneta\/tcp-sack-panic-uyazvimosti-yadra-privodyashhie-k-udalennomu-otkazu-v-obsluzhivanii","title":{"rendered":"TCP SACK Panic \u2013 Kernel-Schwachstellen, die zu einem Remote Denial of Service f\u00fchren k\u00f6nnen","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Netflix-Mitarbeiter haben drei Schwachstellen im Code des TCP-Netzwerkstacks gefunden. Die schwerwiegendste Schwachstelle erm\u00f6glicht es einem entfernten Angreifer, einen Kernel-Panic auszul\u00f6sen.<\/p>\n

F\u00fcr diese Probleme wurden mehrere CVE-IDs angeh\u00e4ngt: CVE-2019-11477, die als signifikante Schwachstelle eingestuft wird, sowie CVE-2019-11478 und CVE-2019-11479, die als moderat gelten.<\/p>\n

Die ersten beiden Schwachstellen betreffen SACK (Selective Acknowledgement) und MSS (Maximum Segment Size). Die dritte betrifft nur MSS.<\/p>\n

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

\u0421\u043e\u0442\u0440\u0443\u0434\u043d\u0438\u043a\u0430\u0438\u043c Netflix \u0431\u044b\u043b\u043e \u043d\u0430\u0439\u0434\u0435\u043d\u043e \u0442\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 \u043a\u043e\u0434\u0435 \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u0441\u0442\u0435\u043a\u0430 \u0434\u043b\u044f TCP. \u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0441\u0435\u0440\u044c\u0435\u0437\u043d\u0430\u044f \u0438\u0437 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e\u043c\u0443 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u043c\u0443 \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043f\u0430\u0434\u0435\u043d\u0438\u0435 \u044f\u0434\u0440\u0430 (kernel panic). \u0414\u043b\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0431\u044b\u043b\u043e \u043f\u0440\u0438\u043a\u0440\u0435\u043f\u043b\u0435\u043d\u043e \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u043e\u0432 CVE: CVE-2019-11477 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u0430\u044f \u043a\u0430\u043a \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c, \u0430 \u0442\u0430\u043a\u0436\u0435 CVE-2019-11478 \u0438 CVE-2019-11479 \u043a\u0430\u043a \u0443\u043c\u0435\u0440\u0435\u043d\u043d\u044b\u0435. \u041f\u0435\u0440\u0432\u044b\u0435 \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442\u043d\u043e\u0441\u044f\u0442\u0441\u044f \u043a SACK (Selective Acknowledgement) \u0438 MSS (Maximum […]<\/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-35393","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\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\n","aioseo_head_json":{"title":"\ud83e\udd47TCP SACK Panic \u2013 Kernel-Schwachstellen, die zu einem entfernten Denial of Service f\u00fchren | ProHoster","description":"Netflix-Mitarbeiter haben drei Schwachstellen im Code des TCP-Netzwerkstacks gefunden. Die schwerwiegendste Schwachstelle erm\u00f6glicht es einem entfernten Angreifer, einen Kernel-Panic auszul\u00f6sen. F\u00fcr diese Probleme wurden mehrere CVE-IDs angeh\u00e4ngt: CVE-2019-11477, die als signifikante Schwachstelle eingestuft wird, sowie CVE-2019-11478 und CVE-2019-11479, die als moderat gelten. Die ersten beiden Schwachstellen betreffen SACK (Selective Acknowledgement) und MSS (Maximum","canonical_url":"https:\/\/prohoster.info\/de\/blog\/novosti-interneta\/tcp-sack-panic-uyazvimosti-yadra-privodyashhie-k-udalennomu-otkazu-v-obsluzhivanii","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"de_DE","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\udd47TCP SACK Panic \u2014 \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u044f\u0434\u0440\u0430, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0438\u0435 \u043a \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e\u043c\u0443 \u043e\u0442\u043a\u0430\u0437\u0443 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438 | ProHoster","og:description":"\u0421\u043e\u0442\u0440\u0443\u0434\u043d\u0438\u043a\u0430\u0438\u043c Netflix \u0431\u044b\u043b\u043e \u043d\u0430\u0439\u0434\u0435\u043d\u043e \u0442\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 \u043a\u043e\u0434\u0435 \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u0441\u0442\u0435\u043a\u0430 \u0434\u043b\u044f TCP. \u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0441\u0435\u0440\u044c\u0435\u0437\u043d\u0430\u044f \u0438\u0437 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0443\u0434\u0430\u043b\u0435\u043d\u043d\u043e\u043c\u0443 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u043c\u0443 \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043f\u0430\u0434\u0435\u043d\u0438\u0435 \u044f\u0434\u0440\u0430 (kernel panic). \u0414\u043b\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0431\u044b\u043b\u043e \u043f\u0440\u0438\u043a\u0440\u0435\u043f\u043b\u0435\u043d\u043e \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u043e\u0432 CVE: CVE-2019-11477 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u0430\u044f \u043a\u0430\u043a \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c, \u0430 \u0442\u0430\u043a\u0436\u0435 CVE-2019-11478 \u0438 CVE-2019-11479 \u043a\u0430\u043a \u0443\u043c\u0435\u0440\u0435\u043d\u043d\u044b\u0435. \u041f\u0435\u0440\u0432\u044b\u0435 \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442\u043d\u043e\u0441\u044f\u0442\u0441\u044f \u043a SACK (Selective Acknowledgement) \u0438 MSS 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