{"id":100585,"date":"2021-06-23T10:22:42","date_gmt":"2021-06-23T08:22:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/oshibka-v-bind-9-16-17-privodyashhaya-k-nevernoj-obrabotke-simvola-w-v-dns-zaprosah"},"modified":"2021-06-23T10:22:42","modified_gmt":"2021-06-23T08:22:42","slug":"oshibka-v-bind-9-16-17-privodyashhaya-k-nevernoj-obrabotke-simvola-w-v-dns-zaprosah","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/oshibka-v-bind-9-16-17-privodyashhaya-k-nevernoj-obrabotke-simvola-w-v-dns-zaprosah","title":{"rendered":"Viga BIND 9.16.17-s, mis p\u00f5hjustab W s\u00fcmboli vale t\u00f6\u00f6tlemise DNS-i p\u00e4ringutes","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Avaldatud on DNS-serveri BIND 9.16.18 stabiilse haru ja arendusj\u00e4rgus oleva katseharu 9.17.15 parandusteated, milles on k\u00f5rvaldatu t\u00f5sine viga, mis ilmus BIND 9.16.17 ja 9.17.14 v\u00e4ljaannetes, mis avaldati eelmisel n\u00e4dalal (j\u00e4rgmisel p\u00e4eval p\u00e4rast nende v\u00e4ljaannete ilmumist hoiatati arendajate poolt probleemist ja soovitati mitte installida versioone 9.16.17 ja 9.17.14). <\/p>\n

Versioonides 9.16.17 ja 9.17.14 j\u00e4i s\u00fcmbolite vastendustabelites (maptoupper ja maptolower) vahele s\u00fcmbol «w», mis p\u00f5hjustas, et s\u00fcmbolid «W» ja «w» domeeninimedes asendati j\u00e4rjestusega «\000» ning tulemuseks oli vale vastus p\u00e4ringute t\u00f6\u00f6tlemisel maski j\u00e4rgi. N\u00e4iteks, kui DNS-i tsoonis oli kirje «*.sub.test.local. 1 A 127.0.0.1″, siis p\u00e4ring nimele UVW.sub.test.local» viis vastuseni, kus tagastati nimi «uv\/000.sub.test.local» asemel, et see oleks «uvw.sub.test.local». <\/p>\n

Lisaks ilmnes probleeme s\u00fcmboli «w» asendamisega «\000» ga d\u00fcnaamilise tsooni uuendamise korral, juhul kui s\u00fcmboli «w» t\u00e4histamine p\u00e4ringus erineb DNS-i tsoonis olekust. N\u00e4iteks, kui tsoonis oli kirje «WW.example», t\u00f6\u00f6tati uuendus nimele «foo.ww.example.» l\u00e4bi kui «foo.\000\000.example.». S\u00fcmbolite asendamise probleemid v\u00f5isid samuti tekkida tsoonide edastamise operatsioonide k\u00e4igus esmasest teisesele DNS-serverile. <\/p>\n

Uuenduse 9.16.18 avaldamine viibis, kuna avastati veel kaks viga, mis j\u00e4id lahendamata versioonides 9.16.18 ja 9.17.15. Vead p\u00f5hjustavad vastastikuste ummikute tekkimist initsialiseerimise ajal ja ilmnevad konfiguratsioonides, kus dnssec-policy-s kasutatakse samu tsoone, mis on erinevates esindustes (view). Sarnaste seadistustega kasutajatele soovitatakse taastuda versioonile BIND 9.16.16.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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9.17.14, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043d\u0430 \u043f\u0440\u043e\u0448\u043b\u043e\u0439 \u043d\u0435\u0434\u0435\u043b\u0435 (\u043d\u0430 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0434\u0435\u043d\u044c \u043f\u043e\u0441\u043b\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 \u0440\u0435\u043b\u0438\u0437\u043e\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0434\u0438\u043b\u0438 \u043e \u043d\u0430\u043b\u0438\u0447\u0438\u0438 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0438 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u043e\u0432\u0430\u043b\u0438 \u043d\u0435 \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0442\u044c \u0432\u0435\u0440\u0441\u0438\u0438 9.16.17 \u0438 9.17.14). \u0412 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 9.16.17 \u0438 9.17.14 […]<\/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-100585","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\udd47Viga BIND 9.16.17, mis toob kaasa vale W s\u00fcmboli t\u00f6\u00f6tlemise DNS-p\u00e4ringutes | ProHoster","description":"On avaldati stabiilse DNS-serveri BIND 9.16.18 ja arenduses oleva eksperimentaalse haru 9.17.15 parandavad v\u00e4rskendused, milles on k\u00f5rvaldunud t\u00f5sine viga, mis ilmus versioonides BIND 9.16.17 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