{"id":109268,"date":"2023-07-06T03:10:18","date_gmt":"2023-07-06T01:10:18","guid":{"rendered":"https:\/\/prohoster.info\/?p=109268"},"modified":"2023-07-06T09:41:48","modified_gmt":"2023-07-06T07:41:48","slug":"uyazvimost-stackrot-v-yadre-linux-pozvolyayushhaya-povysit-svoi-privilegii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimost-stackrot-v-yadre-linux-pozvolyayushhaya-povysit-svoi-privilegii","title":{"rendered":"Vulnerabiliteti StackRot n\u00eb kernin e Linux, q\u00eb lejon rritjen e privilegjeve.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Transferri n\u00eb b\u00ebrtham\u00ebn Linux 6.1 i VMA (Virtual Memory Area) nga struktura e t\u00eb dh\u00ebnave \u00abred-black tree\u00bb n\u00eb \u00abmaple tree\u00bb \u00e7oi n\u00eb shfaqjen e nj\u00eb vulnerabiliteti (CVE-2023-3269), i cili lejon nj\u00eb p\u00ebrdorues t\u00eb pap\u00ebrshtatur t\u00eb arrij\u00eb ekzekutimin e kodit t\u00eb tij me t\u00eb drejta b\u00ebrthamore. Vulnerabiliteti, i cili ka marr\u00eb emrin kodor StackRot, shfaqet q\u00eb nga publikimi i b\u00ebrtham\u00ebs 6.1 dhe \u00ebsht\u00eb eliminuar n\u00eb azhurnimet 6.4.1, 6.3.11 dhe 6.1.37. <\/p>\n

Struktura \u00abmaple tree\u00bb \u00ebsht\u00eb nj\u00eb variant i B-tree, q\u00eb mb\u00ebshtet indeksimin sipas regjioneve t\u00eb vlerave dhe \u00ebsht\u00eb projektuar p\u00ebr p\u00ebrdorim efikas t\u00eb caches s\u00eb procesor\u00ebve modern\u00eb. Krahasuar me \u00abred-black tree\u00bb, p\u00ebrdorimi i \u00abmaple tree\u00bb ofron nj\u00eb performanc\u00eb m\u00eb t\u00eb lart\u00eb. Vulnerabiliteti shkaktohet nga nj\u00eb gabim n\u00eb trajtimin e zgjerimit t\u00eb stack-ut \u2014 n\u00eb struktur\u00ebn \u00abmaple tree\u00bb, q\u00eb p\u00ebrdoret p\u00ebr menaxhimin e zonave t\u00eb memories virtuale n\u00eb b\u00ebrtham\u00eb, z\u00ebvend\u00ebsimi i nj\u00eb nyje n\u00eb pem\u00eb mund t\u00eb ndodhte pa vendosur nj\u00eb bllokim p\u00ebr t\u00eb shkruar, gj\u00eb q\u00eb krijonte kushte p\u00ebr qasjen n\u00eb nj\u00eb zon\u00eb memories pas \u00e7lirimit t\u00eb saj (use-after-free). <\/p>\n

Eksploitimi i vulnerabilitetit u nd\u00ebrlikua nga fakti se nyjet n\u00eb struktur\u00ebn \u00abmaple tree\u00bb \u00e7lirohen n\u00eb m\u00ebnyr\u00eb t\u00eb vonuar duke p\u00ebrdorur thirrje callback me bllokime RCU (Read-copy-update). Megjithat\u00eb, hulumtuesit arrit\u00ebn t\u00eb kalojn\u00eb v\u00ebshtir\u00ebsit\u00eb q\u00eb u shfaq\u00ebn dhe p\u00ebrgatit\u00ebn nj\u00eb eksploit funksional, t\u00eb cilin planifikojn\u00eb ta publikojn\u00eb n\u00eb fund t\u00eb korrikut, p\u00ebr t'u dh\u00ebn\u00eb p\u00ebrdoruesve koh\u00eb p\u00ebr t\u00eb azhurnuar sistemet e tyre. Eksploitimi \u00ebsht\u00eb i mundur n\u00eb gati t\u00eb gjitha konfigurimet e b\u00ebrtham\u00ebs dhe k\u00ebrkon vet\u00ebm privilegje minimale.
\n
Burimi: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u043d\u044b\u0439 \u0432 \u044f\u0434\u0440\u0435 Linux 6.1 \u043f\u0435\u0440\u0435\u0432\u043e\u0434 VMA (Virtual Memory Area) \u0441\u043e \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u0434\u0430\u043d\u043d\u044b\u0445 «red-black tree» \u043d\u0430 «maple tree» \u043f\u0440\u0438\u0432\u0451\u043b \u043a \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u044e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE-2023-3269), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u043d\u0435\u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 \u044f\u0434\u0440\u0430. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c, \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d\u043e \u043a\u043e\u0434\u043e\u0432\u043e\u0435 \u0438\u043c\u044f StackRot, \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u044f\u0434\u0440\u0430 6.1 \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 6.4.1, 6.3.11 \u0438 6.1.37. \u0421\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 «maple […]<\/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-109268","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\udd47Dob\u00ebsia StackRot n\u00eb b\u00ebrtham\u00ebn Linux, q\u00eb lejon rritjen e privilegjeve | ProHoster","description":"P\u00ebrkthimi i VMA-s (Virtual Memory Area) n\u00eb b\u00ebrtham\u00ebn Linux 6.1 nga struktura e t\u00eb dh\u00ebnave \"red-black tree\" n\u00eb \"maple tree\" ka sjell\u00eb nj\u00eb dob\u00ebsi (CVE-2023-3269), e cila i lejon nj\u00eb p\u00ebrdoruesi t\u00eb paautorizuar t\u00eb arrij\u00eb ekzekutimin e kodit t\u00eb tij me t\u00eb drejtat e b\u00ebrtham\u00ebs. Kjo dob\u00ebsi, e cila ka emrin kodor StackRot, shfaqet duke filluar nga l\u00ebshimi i b\u00ebrtham\u00ebs 6.1 dhe \u00ebsht\u00eb eliminuar n\u00eb p\u00ebrdit\u00ebsimet 6.4.1, 6.3.11 dhe 6.1.37. Struktura \"maple","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimost-stackrot-v-yadre-linux-pozvolyayushhaya-povysit-svoi-privilegii","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sq_AL","og:site_name":"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","og:type":"article","og:title":"\ud83e\udd47\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c StackRot \u0432 \u044f\u0434\u0440\u0435 Linux, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 | ProHoster","og:description":"\u0412\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u043d\u044b\u0439 \u0432 \u044f\u0434\u0440\u0435 Linux 6.1 \u043f\u0435\u0440\u0435\u0432\u043e\u0434 VMA (Virtual Memory Area) \u0441\u043e \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u0434\u0430\u043d\u043d\u044b\u0445 "red-black tree" \u043d\u0430 "maple tree" \u043f\u0440\u0438\u0432\u0451\u043b \u043a \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u044e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE-2023-3269), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u043d\u0435\u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 \u044f\u0434\u0440\u0430. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c, \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d\u043e \u043a\u043e\u0434\u043e\u0432\u043e\u0435 \u0438\u043c\u044f StackRot, \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u044f\u0434\u0440\u0430 6.1 \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 6.4.1, 6.3.11 \u0438 6.1.37. \u0421\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 "maple","og:url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimost-stackrot-v-yadre-linux-pozvolyayushhaya-povysit-svoi-privilegii","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":"2023-07-06T01:10:18+00:00","article:modified_time":"2023-07-06T07:41:48+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/109268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/comments?post=109268"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/109268\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/media?parent=109268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/categories?post=109268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/tags?post=109268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}