{"id":145323,"date":"2025-10-16T17:11:54","date_gmt":"2025-10-16T15:11:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-samba-pozvolyayushhaya-udalyonno-vypolnit-kod-na-servere"},"modified":"2025-10-16T17:11:54","modified_gmt":"2025-10-16T15:11:54","slug":"uyazvimost-v-samba-pozvolyayushhaya-udalyonno-vypolnit-kod-na-servere","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/uyazvimost-v-samba-pozvolyayushhaya-udalyonno-vypolnit-kod-na-servere","title":{"rendered":"R\u00fcnnak Samba haavatavuse kaudu, mis v\u00f5imaldab kaugt\u00f6\u00f6tluse serveris","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ametlikud paranduste v\u00e4ljaanded Samba komplekti 4.23.2, 4.22.5 ja 4.21.9, mis lahendavad haavatavuse (CVE-2025-10230) WINS nime resolveri rakenduses, v\u00f5imaldades kauglokatsioonide t\u00e4itmist serveris ilma autentimiseta. Probleemile on antud k\u00f5rgeim ohtlikkuse tase \u2014 10 10-st. <\/p>\n

Haavatavus on tingitud n\u00f5rgast v\u00e4\u00e4rtuste kontrollimisest, mis edastatakse enne rakenduse k\u00e4ivitamist, mis on m\u00e4\u00e4ratud parameetris \u00abwins hook\u00bb. Antud rakendus k\u00e4ivitub k\u00e4suga \u00absh -c\u00bb iga kord, kui WINS-is nime muudetakse. domeeni<\/a> Active Directory-s ei puhastatud k\u00e4surea argumentides edastatavaid NetBIOS nimesid eris\u00fcmbolitest, mis v\u00f5imaldas juhuslike shell-k\u00e4skude t\u00e4itmist, kui WINS-serverisse esitati spetsiaalselt vormistatud NetBIOS nimi. cmd = talloc_asprintf(tmp_mem, \u00ab%s %s %s x %ld\u00bb, wins_hook_script, wins_hook_action_string(action), rec->name->name, rec->name->type, (long int) rec->expire_time); ... execl(\u00ab\/bin\/sh\u00bb, \u00absh\u00bb, \u00ab-c\u00bb, cmd, NULL); <\/p>\n

Autentimata klient v\u00f5ib saata WINS-serverisse registreerimispaketi ja k\u00fcsida mis tahes NetBIOS nime, mis ei \u00fcleta 15 t\u00e4hem\u00e4rki. Sellega ei puhastata s\u00fcmboleid nagu \u2018\u2019 ja \u2018;\u2019 nimes. Seet\u00f5ttu, kui hook-t\u00f6\u00f6tlejat k\u00e4ivitatakse, toob nime \u00fclekandmine vormis \u00abname;id>file\u00bb kaasa utiliidi \u00abid\u00bb k\u00e4itamise ja v\u00e4ljundi suunamise faili \u00abfile\u00bb. <\/p>\n

Haavatavus avaldub s\u00fcsteemides, kus smb.conf-is on seatud parameeter \u2018wins hook\u2019 ja kasutatakse aktiivset domeenikontrollerit. serveriga<\/a> WINS (vaikimisi keelatud ja n\u00f5uab parameetri \u00abwins support = yes\u00bb lubamist). WINS-serveri kasutamisel s\u00fcsteemides, kus domeenikontrollerit ei ole, ei avaldu haavatavus. Uue versiooni paketi v\u00f5i paranduse staatust saab kontrollida j\u00e4rgmistes distributsioonides: Debian, Ubuntu, Fedora, SUSE\/openSUSE, RHEL, Gentoo, Arch, FreeBSD, OpenBSD ja NetBSD. <\/p>\n

Avaldatud Samba versioonides on k\u00f5rvaldatud ka v\u00e4hem ohtlik haavatavus (CVE-2025-9640), mis p\u00f5hjustab mittealgatatud m\u00e4lu lekke. Probleem ilmneb moodulis vfs_streams_xattr m\u00e4lu eraldamise t\u00f5rgete korral, mida saab esile kutsuda kirjutamisoperatsioonide l\u00e4biviimisega, mis loovad failis t\u00fchjad alad. Haavatavust saab kasutada autentitud kasutaja.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u043f\u0430\u043a\u0435\u0442\u0430 Samba 4.23.2, 4.22.5 \u0438 4.21.9 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE-2025-10230) \u0432 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0438\u043c\u0451\u043d WINS, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u0431\u0435\u0437 \u043f\u0440\u043e\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0435 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u043d\u0430\u0438\u0432\u044b\u0441\u0448\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 — 10 \u0438\u0437 10. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435\u043c \u0434\u043e\u043b\u0436\u043d\u043e\u0439 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439, \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0445 \u043f\u0435\u0440\u0435\u0434 \u0437\u0430\u043f\u0443\u0441\u043a\u043e\u043c \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0433\u043e \u0432 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0435 «wins hook». \u0414\u0430\u043d\u043d\u043e\u0435 […]<\/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-145323","post","type-post","status-publish","format-standard","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\udd47Haavatavus Sambas, mis v\u00f5imaldab kaugelt k\u00e4ivitada koodi serveris | ProHoster","description":"On avaldatud Samba paketi 4.23.2, 4.22.5 ja 4.21.9 parandavad v\u00e4ljalasked, mis k\u00f5rvaldasid haavatavuse (CVE-2025-10230) WINS-nimelahenduse serveri teostuses, mis v\u00f5imaldab kaugelt k\u00e4ivitada oma koodi serveris ilma autentimiseta. Probleemile on antud k\u00f5rgeim ohtlikkuse tase - 10 skaalal 10. Haavatavus on tingitud piisava kontrolli puudumisest v\u00e4\u00e4rtuste \u00fcle, mis edastatakse rakenduse jooksutamise eel, nagu on m\u00e4\u00e4ratletud \"wins hook\" parameetris. 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