{"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\/news\/uyazvimost-v-samba-pozvolyayushhaya-udalyonno-vypolnit-kod-na-servere","title":{"rendered":"Samba haavatavus, mis v\u00f5imaldab serveris kaugelt koodi t\u00e4ita","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

On avaldatud Samba pakettide 4.23.2, 4.22.5 ja 4.21.9 korrektsiooniversioonid, mis lahendavad haavatavuse (CVE-2025-10230) WINS nime lahendamise serveri rakenduses, mis v\u00f5imaldab kaugt\u00e4idistuste teostamist serveris ilma autentimiseta. Probleemile on antud k\u00f5rgeim ohtlikkuse tase \u2014 10 punkti 10-st. <\/p>\n

Haavatavus on p\u00f5hjustatud sobiva kontrolli puudumisest parameteris \"wins hook\" antud rakenduse k\u00e4ivitamise eel. Antud rakendus k\u00e4ivitatakse k\u00e4su \"sh -c\" abil iga kord, kui WINSis tehakse nime muutmine. domeen<\/a> Active Directory, NetBIOS nimed, mis edastatakse k\u00e4ivitamise ajal hook-rakenduse k\u00e4surida argumentidena, ei puhastatud erim\u00e4rkidest, mis v\u00f5imaldas j\u00e4rjestikku t\u00e4ita erakorralisi shell-k\u00e4sklusi, edastades WINS-serverile spetsiaalselt struktureeritud NetBIOS nime. cmd = talloc_asprintf(tmp_mem, \"%s %s %s x %ld\", wins_hook_script, wins_hook_action_string(action), rec->name->name, rec->name->type, (long int) rec->expire_time); ... execl(\"\/bin\/sh\", \"sh\", \"-c\", cmd, NULL); <\/p>\n

Ilma autentimiseta klient v\u00f5ib saata WINS-serverile registreerimispaketti ja n\u00f5uda mistahes NetBIOS nime, mis ei \u00fcleta 15 m\u00e4rki. Selliseid m\u00e4rke nagu '' ja ';' nime puhastamine ei toimu. Seet\u00f5ttu, kui hook-k\u00e4itlejat k\u00e4ivitatakse, toob nime esitamine kujul \"name;id>file\" kaasa utiliidi \"id\" k\u00e4ivitamise ja sisendi suunamise faili \"file\". <\/p>\n

Haavatavus ilmneb s\u00fcsteemides, kus smb.conf-is on seatud parameeter 'wins hook', kasutades aktiivset domeeni kontrollerit. serverilt<\/a> WINS (vaikimisi keelatud ja n\u00f5uab parameetri 'wins support = yes' sissel\u00fclitamist). Kui WINS-serverit kasutatakse s\u00fcsteemides ilma domeeni kontrollerita, ei ilmne haavatavus. Uue paketi versiooni v\u00f5i paranduste ettevalmistuse olekut distributsioonides saab kontrollida j\u00e4rgmistelt lehtedelt: Debian, Ubuntu, Fedora, SUSE\/openSUSE, RHEL, Gentoo, Arch, FreeBSD, OpenBSD ja NetBSD. <\/p>\n

Avaldatud Samba v\u00e4ljalaskedes on samuti k\u00f5rvaldatud v\u00e4hem ohtlik haavatavus (CVE-2025-9640), mis p\u00f5hjustab initsialiseerimata m\u00e4lu lekkimist. Probleem ilmneb moodulis vfs_streams_xattr m\u00e4lu eraldamise vigade t\u00f5ttu, mida saab saavutada kirjutamisoperatsioonide tegemise kaudu, mis loovad failis t\u00fchje alasid. Haavatavust saab \u00e4ra kasutada autentitud kasutaja.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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\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-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\udd47Haavatavus Samba-s, mis v\u00f5imaldab kaugjuhtimisega koodi t\u00e4itmist serveris | ProHoster","description":"V\u00e4lja on antud Samba versioonide 4.23.2, 4.22.5 ja 4.21.9 kohtparanduste v\u00e4ljaanded, mis k\u00f5rvaldab haavatavuse (CVE-2025-10230) 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\u043d\u0430.","og:url":"https:\/\/prohoster.info\/et\/blog\/news\/uyazvimost-v-samba-pozvolyayushhaya-udalyonno-vypolnit-kod-na-servere","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":"2025-10-16T15:11:54+00:00","article:modified_time":"2025-10-16T15:11:54+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"145323","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-03-05 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