{"id":104640,"date":"2022-07-12T21:36:50","date_gmt":"2022-07-12T19:36:50","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-x-org-server-21-1-4-s-ustraneniem-uyazvimostej"},"modified":"2022-07-12T21:36:50","modified_gmt":"2022-07-12T19:36:50","slug":"obnovlenie-x-org-server-21-1-4-s-ustraneniem-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/obnovlenie-x-org-server-21-1-4-s-ustraneniem-uyazvimostej","title":{"rendered":"X.Org Server 21.1.4 uuendus haavatavuste k\u00f5rvaldamisega","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

K\u00e4ivitatud on X.Org Server 21.1.4 versiooni uuendust, mis lahendab kaks turvaprobleemi Xkb laienduse t\u00f6\u00f6tlejates, mis v\u00f5imaldavad t\u00f5sta privileege s\u00fcsteemis, kui X-server t\u00f6\u00f6tab root-\u00f5igustega, v\u00f5i k\u00e4ivitada koodi kaugs\u00fcsteemis, kui juurdep\u00e4\u00e4s toimub X11 seansi edastamise kaudu SSH kaudu. Turvaprobleemid tulenevad n\u00f5uetekohase suuruse kontrolli puudumisest ProcXkbSetGeometry (CVE-2022-2319) ja ProcXkbSetDeviceInfo (CVE-2022-2320) p\u00e4ringute t\u00f6\u00f6tlejates, mida saab kasutada m\u00e4lu \u00fclet\u00e4itumise saavutamiseks. <\/p>\n

ProcXkbSetGeometry puhul puudus p\u00e4ringuv\u00e4ljade suuruse kontroll, mis v\u00f5imaldas kliendil spetsialiseeritud \u00fcleujutuse tekitada, m\u00e4\u00e4rates p\u00e4ringus sektsioonide arvu, mis ei vastanud tegelikult edastatud andmetele. ProcXkbSetDeviceInfo t\u00f6\u00f6tlemise k\u00e4igus tekkis haavatavus vale funktsioonide kutsumise j\u00e4rjekorra t\u00f5ttu \u2014 parameetrite kontrollimise funktsiooni kutsuti p\u00e4rast nende parameetrite kasutamise funktsiooni (funktsioonide nimed olid segamini ja funktsioon XkbSetDeviceInfo sisaldas kontrollimise koodi, samas kui XkbSetDeviceInfoCheck oli v\u00e4\u00e4rtuste m\u00e4\u00e4ramiseks).
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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ProcXkbSetGeometry (CVE-2022-2319) \u0438 […]<\/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-104640","post","type-post","status-publish","format-standard","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 X.Org Server 21.1.4 uuendus haavatavuste k\u00f5rvaldamisega | ProHoster","description":"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a X.Org Server 21.1.4, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b 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