{"id":101027,"date":"2021-08-17T10:22:36","date_gmt":"2021-08-17T08:22:36","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimos-v-glibc-pozvolyayushhaya-vyzvat-krah-chuzhogo-proczessa"},"modified":"2021-08-17T10:22:36","modified_gmt":"2021-08-17T08:22:36","slug":"uyazvimos-v-glibc-pozvolyayushhaya-vyzvat-krah-chuzhogo-proczessa","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/uyazvimos-v-glibc-pozvolyayushhaya-vyzvat-krah-chuzhogo-proczessa","title":{"rendered":"Haavatavus Glibc-s, mis v\u00f5imaldab katkestada teiste protsesside toimimise","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Glibc-s on tuvastatud haavatavus (CVE-2021-38604), mis v\u00f5imaldab s\u00fcsteemis protsesside kokkujooksmist algatada, saates spetsiaalselt vormindatud s\u00f5numi POSIX s\u00f5numij\u00e4rjekordade API kaudu. Jaotustes ei ole probleem \u00fcles kerkinud, kuna see on olemas vaid versioonis 2.34, mis avaldati kaks n\u00e4dalat tagasi.      <\/p>\n<p>Probleem on p\u00f5hjustatud andmete NOTIFY_REMOVED vale t\u00f6\u00f6tlemise t\u00f5ttu mq_notify.c koodis, mis viib NULL pointeri dereferentsini ja protsessi kokkujooksuni. Huvi pakub, et probleem on teise haavatavuse (CVE-2021-33574) parandamise t\u00f6\u00f6tluse tulemus, mis eemaldati Glibc 2.34 versioonis. Samal ajal, kui esimene haavatavus oli piisavalt keeruline, et seda kasutada, n\u00f5udes teatud tingimuste kombinatsiooni, on teise probleemi kasutamine tunduvalt lihtsam.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55646\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 Glibc \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-38604), \u0434\u0430\u044e\u0449\u0430\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u043d\u0438\u0446\u0438\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043a\u0440\u0430\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0447\u0435\u0440\u0435\u0437 POSIX message queues API. \u0412 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430\u0445 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043d\u0435 \u0443\u0441\u043f\u0435\u043b\u0430 \u043f\u0440\u043e\u044f\u0432\u0438\u0442\u044c\u0441\u044f, \u0442\u0430\u043a \u043a\u0430\u043a \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 2.34, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043d\u043e\u043c \u0434\u0432\u0435 \u043d\u0435\u0434\u0435\u043b\u0438 \u043d\u0430\u0437\u0430\u0434. \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 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0434\u0430\u043d\u043d\u044b\u0445 NOTIFY_REMOVED \u0432 \u043a\u043e\u0434\u0435 mq_notify.c, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0435\u0439 \u043a \u0440\u0430\u0437\u044b\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u044f \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f NULL \u0438 \u043a\u0440\u0430\u0445\u0443 [&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-101027","post","type-post","status-publish","format-standard","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 Glibc 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href=\"https:\/\/prohoster.info\/et\/blog\/news\/uyazvimos-v-glibc-pozvolyayushhaya-vyzvat-krah-chuzhogo-proczessa\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"et_EE\" \/>\n\t\t<meta property=\"og:site_name\" content=\"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\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u044c \u0432 Glibc, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043a\u0440\u0430\u0445 \u0447\u0443\u0436\u043e\u0433\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0412 Glibc \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-38604), \u0434\u0430\u044e\u0449\u0430\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u043d\u0438\u0446\u0438\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043a\u0440\u0430\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0447\u0435\u0440\u0435\u0437 POSIX message queues API.\" \/>\n\t\t<meta property=\"og:url\" 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