{"id":106652,"date":"2023-02-06T18:48:11","date_gmt":"2023-02-06T16:48:12","guid":{"rendered":"https:\/\/prohoster.info\/?p=106652"},"modified":"2023-02-07T12:08:50","modified_gmt":"2023-02-07T10:08:50","slug":"uyazvimost-v-imagemagick-privodyashhaya-k-utechke-soderzhimogo-lokalnyh-fajlov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/uyazvimost-v-imagemagick-privodyashhaya-k-utechke-soderzhimogo-lokalnyh-fajlov","title":{"rendered":"ImageMagicki haavatavus, mis p\u00f5hjustab kohalike failide sisu lekkimist","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

ImageMagick paketis, mida veebiarendajad sageli kasutavad piltide t\u00f6\u00f6tlemiseks, on avastatud haavatavus CVE-2022-44268, mis v\u00f5ib p\u00f5hjustada failide sisu leket, kui r\u00fcnnakutegevuse k\u00e4igus t\u00f6\u00f6deldakse r\u00fcndaja ettevalmistatud PNG-pilte. See haavatavus ohustab s\u00fcsteeme, mis t\u00f6\u00f6tlevad v\u00e4liseid pilte ja v\u00f5imaldavad seej\u00e4rel laadida muudetud tulemusi. <\/p>\n

Haavatavus tuleneb sellest, et ImageMagick t\u00f6\u00f6tleb PNG-pilte metainfo parameetri \u201eprofile\u201c sisu kasutades faili nime m\u00e4\u00e4ramiseks, mis lisatakse v\u00e4ljundfaili. Seega piisab r\u00fcnnaku l\u00e4biviimiseks PNG-pildi juurde lisada parameeter \u201eprofile\u201c vajaliku faili teega (n\u00e4iteks \u201e\/etc\/passwd\u201c), ja selle pildi t\u00f6\u00f6tlemisel, n\u00e4iteks pildi suuruse muutmisel, lisatakse v\u00e4ljundfaili vajalik faili sisu. Kui faili nime asemel m\u00e4\u00e4rata \u201e-\u201c, j\u00e4\u00e4b t\u00f6\u00f6tleja standardse sisendi ootusesse, mida saab kasutada teenuse t\u00f5kestamiseks (CVE-2022-44267). <\/p>\n

T\u00e4psemat uuendust haavatavuse parandamiseks pole veel v\u00e4lja antud, kuid ImageMagicki arendajad on soovitanud leevenduslahendusena luua seadistustes reegel, mis piirab ligip\u00e4\u00e4su teatud failitee. N\u00e4iteks absoluutsete ja suhteliste tee juurdep\u00e4\u00e4su keeldumiseks policy.xml failis saab lisada: <policy domain=»path» rights=»none» pattern=»\/*» \/> <policy domain=»path» rights=»none» pattern=»..\/*» \/> <\/p>\n

Avalikult on juba saadaval skript, mis genereerib haavatavust ekspluateerivaid PNG-pilte.

\"ImageMagicki<\/center>
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u043f\u0430\u043a\u0435\u0442\u0435 ImageMagick, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0447\u0430\u0441\u0442\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f web-\u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c\u0438 \u0434\u043b\u044f \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0439, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2022-44268, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0443\u0442\u0435\u0447\u043a\u0435 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u0444\u0430\u0439\u043b\u043e\u0432 \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 ImageMagick \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u043c PNG-\u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0439. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0433\u0440\u043e\u0436\u0430\u0435\u0442 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u043c, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u044e\u0442 \u0432\u043d\u0435\u0448\u043d\u0438\u0435 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f \u0438 \u0437\u0430\u0442\u0435\u043c \u0434\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u0433\u0440\u0443\u0437\u0438\u0442\u044c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0442\u0435\u043c, \u0447\u0442\u043e \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 PNG-\u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u044f ImageMagick \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430 «profile» […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":106653,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-106652","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"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\udd47 ImageMagick'i haavatavus, mis p\u00f5hjustab kohalikest failidest sisu leket | ProHoster","description":"ImageMagick paketis, mida veebiarendajad sageli kasutavad piltide t\u00f6\u00f6tlemiseks, on avastatud haavatavus CVE-2022-44268, mis v\u00f5ib p\u00f5hjustada failide sisu leket t\u00f6\u00f6tlemise k\u00e4igus.","canonical_url":"https:\/\/prohoster.info\/et\/blog\/news\/uyazvimost-v-imagemagick-privodyashhaya-k-utechke-soderzhimogo-lokalnyh-fajlov","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","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\u044c \u0432 ImageMagick, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0430\u044f \u043a \u0443\u0442\u0435\u0447\u043a\u0435 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 | ProHoster","og:description":"\u0412 \u043f\u0430\u043a\u0435\u0442\u0435 ImageMagick, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0447\u0430\u0441\u0442\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f web-\u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c\u0438 \u0434\u043b\u044f \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0439, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2022-44268, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0443\u0442\u0435\u0447\u043a\u0435 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u0444\u0430\u0439\u043b\u043e\u0432 \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0440\u0438.","og:url":"https:\/\/prohoster.info\/et\/blog\/news\/uyazvimost-v-imagemagick-privodyashhaya-k-utechke-soderzhimogo-lokalnyh-fajlov","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2023-02-06T16:48:12+00:00","article:modified_time":"2023-02-07T10:08:50+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/posts\/106652","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/comments?post=106652"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/posts\/106652\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/media\/106653"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/media?parent=106652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/categories?post=106652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/tags?post=106652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}