{"id":54112,"date":"2019-12-18T00:00:00","date_gmt":"2019-12-17T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/ataka-na-sistemy-online-kompilyatsii-cherez-manipulyatsiyu-s-zagolovochnymi-fajlami"},"modified":"2020-02-18T14:02:05","modified_gmt":"2020-02-18T11:02:05","slug":"ataka-na-sistemy-online-kompilyatsii-cherez-manipulyatsiyu-s-zagolovochnymi-fajlami","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/ataka-na-sistemy-online-kompilyatsii-cherez-manipulyatsiyu-s-zagolovochnymi-fajlami","title":{"rendered":"R\u00fcnnakud online-kompileerimisse s\u00fcsteemidesse pealkirjafailide manipuleerimise kaudu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Hanno B\u00f6ck, projekti autor <noindex><a rel=\"nofollow\" href=\"https:\/\/fuzzing-project.org\/\">fuzzing-project.org<\/a><\/noindex>,  <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.hboeck.de\/archives\/898-include-etcshadow.html\">t\u00e4helepanu<\/a><\/noindex> interaktiivse kompileerimise liideste haavatavusele, mis v\u00f5imaldavad v\u00e4lise C keeles koodi t\u00f6\u00f6tlemist. Kui m\u00e4\u00e4rata suvaline tee direktiivis \"#include\", kompilatsiooniviga kaasab faili sisu, mida ei \u00f5nnestunud kompileerida.<\/p>\n<p>N\u00e4iteks, kui sisestada \u00fchte online-teenust koodi \"#include \", saadi tulemuseks root-kasutaja parooli hash failist \/etc\/shadow, mis n\u00e4itab ka, et veebiteenus t\u00f6\u00f6tab root \u00f5igustes ja k\u00e4ivitab kompileerimise k\u00e4ske root kasutajana (pole v\u00e4listatud, et kompileerimiseks kasutati isoleeritud konteinerit, kuid k\u00e4ivitamine root \u00f5igustes konteineris on samuti probleem). Probleemne teenus, kus probleem reproduktiivne, ei ole seni avalikustatud. Katsetused failide avamiseks vale FS \/proc ei olnud edukad, kuna GCC t\u00f5lgendab neid t\u00fchjade failidena, kuid failide avamine \/sys-st t\u00f6\u00f6tab.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Allikas: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52048\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Hanno B&#246;ck, \u0430\u0432\u0442\u043e\u0440 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 fuzzing-project.org, \u043e\u0431\u0440\u0430\u0442\u0438\u043b \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432 \u0438\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0439 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438, \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u044e\u0449\u0438\u0445 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438. \u041f\u0440\u0438 \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u0443\u0442\u0438 \u0432 \u0434\u0438\u0440\u0435\u043a\u0442\u0438\u0432\u0435 &#171;#include&#187; \u043e\u0448\u0438\u0431\u043a\u0430 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438 \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u0444\u0430\u0439\u043b\u0430, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043d\u0435 \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u0441\u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u043e\u0434\u0441\u0442\u0430\u0432\u0438\u0432 \u0432 \u043e\u0434\u043d\u043e\u043c \u0438\u0437 online-\u0441\u0435\u0440\u0432\u0438\u0441\u043e\u0432 \u0432 \u043a\u043e\u0434 &#171;#include &lt;\/etc\/shadow&gt;&#187; \u043d\u0430 \u0432\u044b\u0445\u043e\u0434\u0435 \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0445\u044d\u0448 \u043f\u0430\u0440\u043e\u043b\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f root \u0438\u0437 \u0444\u0430\u0439\u043b\u0430 [&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-54112","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - 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