{"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\/et\/blog\/novosti-interneta\/uyazvimosti-v-grafana-pozvolyayushhie-poluchit-dostup-k-fajlam-v-sisteme","title":{"rendered":"Turbeteated Grafanas, mis v\u00f5imaldavad p\u00e4\u00e4seda s\u00fcsteemi failidele","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Andmevisualiseerimise avatud platvormis Grafana leiti haavatavus (CVE-2021-43798), mis v\u00f5imaldab p\u00e4\u00e4seda v\u00e4ljapoole p\u00f5hikatalooge ja juurde p\u00e4\u00e4seda juhuslikele failidele serveri kohalikus failis\u00fcsteemis, s\u00f5ltuvalt \u00f5igustest, millega Grafana t\u00f6\u00f6tab. Probleem tuleneb tee t\u00f6\u00f6tleja «\/public\/plugins\/\/» vale toimimisest, kus oli lubatud kasutada s\u00fcmboleid «..» alamkataloogide juurde p\u00e4\u00e4semiseks. <\/p>\n

\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 «\/public\/plugins\/graph\/», «\/public\/plugins\/mysql\/» \u0438 «\/public\/plugins\/prometheus\/» (\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 «\/public\/plugins\/prometheus\/..\/..\/..\/..\/..\/..\/..\/..\/etc\/passwd». \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 «..%2f» \u0432 \u043b\u043e\u0433\u0430\u0445 http-\u0441\u0435\u0440\u0432\u0435\u0440\u0430.

\"Turbeteated<\/center> <\/p>\n

Probleem ilmus alates versioonist 8.0.0-beta1 ja lahendati v\u00e4ljaannetes Grafana 8.3.1, 8.2.7, 8.1.8 ja 8.0.7, kuid seej\u00e4rel tuvastati veel kaks sarnast haavatavust (CVE-2021-43813, CVE-2021-43815), mis ilmusid alates versioonidest Grafana 5.0.0 ja Grafana 8.0.0-beta3 ning v\u00f5imaldasid autentitud kasutajal Grafana p\u00e4\u00e4seda juurde s\u00fcsteemis olevale mis tahes failile, millel on laiendused «.md» ja «.csv» (failinimed ainult v\u00e4ike- v\u00f5i suurte t\u00e4htedega), manipuleerides s\u00fcmbolitega «..» teedel «\/api\/plugins\/.*\/markdown\/.*» ja «\/api\/ds\/query». Haavatavuste k\u00f5rvaldamiseks on loodud uuendused Grafana 8.3.2 ja 7.5.12.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 «\/public\/plugins\/<plugin-id>\/», \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 «..» \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 […]<\/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-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\udd47Haavatavused Grafanas, mis v\u00f5imaldavad p\u00e4\u00e4seda failidele s\u00fcsteemis | ProHoster","description":"Avas platvormis andmete visualiseerimiseks Grafana on avastatud haavatavus (CVE-2021-43798), mis v\u00f5imaldab p\u00e4\u00e4seda baasikataloogist v\u00e4lja ja ligip\u00e4\u00e4seda s\u00fcsteemi juhuslikele failidele serveri kohalikus failis\u00fcsteemis, olenevalt kasutaja \u00f5igustest, kelle all Grafana t\u00f6\u00f6tab. 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ProHoster","og:description":"\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 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