{"id":102584,"date":"2021-12-11T15:36:53","date_gmt":"2021-12-11T13:36:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-grafana-pozvolyayushhie-poluchit-dostup-k-fajlam-v-sisteme"},"modified":"2021-12-11T15:36:53","modified_gmt":"2021-12-11T13:36:54","slug":"uyazvimosti-v-grafana-pozvolyayushhie-poluchit-dostup-k-fajlam-v-sisteme","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/uyazvimosti-v-grafana-pozvolyayushhie-poluchit-dostup-k-fajlam-v-sisteme","title":{"rendered":"Sicherheitsl\u00fccken in Grafana erm\u00f6glichen den Zugriff auf Systemdateien.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>In der offenen Datenvisualisierungsplattform Grafana wurde eine Schwachstelle (CVE-2021-43798) entdeckt, die es erm\u00f6glicht, \u00fcber das Basisverzeichnis hinauszugehen und auf beliebige Dateien im lokalen Dateisystem des Servers zuzugreifen, je nach den Zugriffsrechten des Benutzers, unter dem Grafana ausgef\u00fchrt wird. Das Problem entsteht durch eine fehlerhafte Verarbeitung des Pfadhandlers &lt;plugin-id&gt;, bei dem die Verwendung von Zeichen wie &#171;..&#187; zum Zugriff auf \u00fcbergeordnete Verzeichnisse erlaubt war.     <\/p>\n<p>\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \u0447\u0435\u0440\u0435\u0437 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435 \u043a URL \u0442\u0438\u043f\u043e\u0432\u044b\u0445 \u043f\u0440\u0435\u0434\u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u043f\u043b\u0430\u0433\u0438\u043d\u043e\u0432, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a &#171;\/public\/plugins\/graph\/&#187;, &#171;\/public\/plugins\/mysql\/&#187; \u0438 &#171;\/public\/plugins\/prometheus\/&#187; (\u0432\u0441\u0435\u0433\u043e \u043f\u0440\u0435\u0434\u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043e \u043e\u043a\u043e\u043b\u043e 40 \u043f\u043b\u0430\u0433\u0438\u043d\u043e\u0432). \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0434\u043b\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u0444\u0430\u0439\u043b\u0443 \/etc\/passwd \u043c\u043e\u0436\u043d\u043e \u0431\u044b\u043b\u043e \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u044c \u0437\u0430\u043f\u0440\u043e\u0441 &#171;\/public\/plugins\/prometheus\/..\/..\/..\/..\/..\/..\/..\/..\/etc\/passwd&#187;. \u0414\u043b\u044f \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u043b\u0435\u0434\u043e\u0432 \u044d\u043a\u0441\u043f\u043b\u0443\u0442\u0430\u0446\u0438\u0438 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u0435\u0442\u0441\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u0442\u044c \u043d\u0430\u043b\u0438\u0447\u0438\u0435 \u043c\u0430\u0441\u043a\u0438 &#171;..%2f&#187; \u0432 \u043b\u043e\u0433\u0430\u0445 http-\u0441\u0435\u0440\u0432\u0435\u0440\u0430.    <center><img decoding=\"async\" alt=\"Sicherheitsl\u00fccken in Grafana erm\u00f6glichen den Zugriff auf Systemdateien.\" src=\"\/wp-content\/uploads\/2021\/12\/aa262408ed021b1c0b5a3725a215a401.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>        <\/p>\n<p>Das Problem trat ab Version 8.0.0-beta1 auf und wurde in den Versionen Grafana 8.3.1, 8.2.7, 8.1.8 und 8.0.7 behoben, jedoch wurden anschlie\u00dfend zwei \u00e4hnliche Schwachstellen (CVE-2021-43813, CVE-2021-43815) entdeckt, die ab den Versionen Grafana 5.0.0 und Grafana 8.0.0-beta3 auftraten und es authentifizierten Benutzern von Grafana erm\u00f6glichten, auf beliebige Dateien im System mit den Erweiterungen &#171;.md&#187; und &#171;.csv&#187; (Dateinamen nur in Klein- oder Gro\u00dfbuchstaben) zuzugreifen, indem sie mit den Zeichen &#171;..&#187; in den Pfaden &#171;\/api\/plugins\/.*\/markdown\/.*&#187; und &#171;\/api\/ds\/query&#187; manipulierend umgingen. Um diese Schwachstellen zu beheben, wurden die Updates Grafana 8.3.2 und 7.5.12 bereitgestellt.<br \/>\n<br \/>Quelle: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56329\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435 \u0432\u0438\u0437\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 Grafana \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-43798), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0432\u044b\u0439\u0442\u0438 \u0437\u0430 \u043f\u0440\u0435\u0434\u0435\u043b\u044b \u0431\u0430\u0437\u043e\u0432\u043e\u0433\u043e \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0430 \u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u043c \u0444\u0430\u0439\u043b\u0430\u043c \u0432 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u0439 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u043d\u0430\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u044d\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u043f\u0440\u0430\u0432\u0430 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f, \u043f\u043e\u0434 \u043a\u043e\u0442\u043e\u0440\u044b\u043c \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f Grafana. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043d\u0435\u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u043e\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430 \u043f\u0443\u0442\u0438 &#171;\/public\/plugins\/&lt;plugin-id&gt;\/&#187;, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u043b\u043e\u0441\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 &#171;..&#187; \u0434\u043b\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u043d\u0438\u0436\u0435\u043b\u0435\u0436\u0430\u0449\u0438\u043c \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0430\u043c. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":102585,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-102584","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435 \u0432\u0438\u0437\u0443\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 Grafana \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-43798), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0432\u044b\u0439\u0442\u0438 \u0437\u0430 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erm\u00f6glichen | ProHoster","description":"In der offenen Datenvisualisierungsplattform Grafana wurde eine Schwachstelle (CVE-2021-43798) entdeckt, die es erm\u00f6glicht, \u00fcber das Basisverzeichnis hinauszugreifen und auf beliebige Dateien im lokalen Dateisystem des Servers zuzugreifen.","canonical_url":"https:\/\/prohoster.info\/de\/blog\/news\/uyazvimosti-v-grafana-pozvolyayushhie-poluchit-dostup-k-fajlam-v-sisteme","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\udd47\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 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