{"id":38918,"date":"2019-10-31T22:26:45","date_gmt":"2019-10-31T19:26:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/uyazvimost-v-sudo-pozvolyayushhaya-povysit-privilegii-pri-ispolzovanii-spetsifichnyh-pravil\/"},"modified":"2019-10-31T22:26:45","modified_gmt":"2019-10-31T19:26:45","slug":"uyazvimost-v-sudo-pozvolyayushhaya-povysit-privilegii-pri-ispolzovanii-spetsifichnyh-pravil","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimost-v-sudo-pozvolyayushhaya-povysit-privilegii-pri-ispolzovanii-spetsifichnyh-pravil","title":{"rendered":"Vulnerabilitet n\u00eb sudo q\u00eb lejon ngritjen e privilegjeve me rregulla specifike","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

N\u00eb utilitarin Sudo<\/a><\/noindex>, i p\u00ebrdorur p\u00ebr organizimin e ekzekutimit t\u00eb komandave n\u00eb em\u00ebr t\u00eb p\u00ebrdoruesve t\u00eb tjer\u00eb, u identifikua<\/a><\/noindex> vulnerabiliteti<\/a><\/noindex> (CVE-2019-14287<\/a><\/noindex>), e cila lejon kryerjen e komandave me t\u00eb drejta root, n\u00ebse n\u00eb konfigurimin e sudoers ka rregulla, n\u00eb t\u00eb cilat n\u00eb seksionin e verifikimit t\u00eb identifikuesit t\u00eb p\u00ebrdoruesit pas fjal\u00ebs ky\u00e7e q\u00eb lejon «ALL» ndiqet nj\u00eb ndalim i qart\u00eb p\u00ebr t\u00eb ekzekutuar me t\u00eb drejta root («… (ALL, !root) …»). N\u00eb konfigurimet e pritshme n\u00eb shp\u00ebrndarjet, kjo vulnerabilitet nuk shfaqet. <\/p>\n

N\u00ebse n\u00eb sudoers ka rregulla t\u00eb vlefshme, por q\u00eb zakonisht nuk hasen n\u00eb praktik\u00eb, duke lejuar kryerjen e nj\u00eb komande t\u00eb caktuar n\u00ebn identifikuesin UID t\u00eb \u00e7do p\u00ebrdoruesi p\u00ebrve\u00e7 root, nj\u00eb sulmues, q\u00eb ka autorizimin p\u00ebr t\u00eb kryer k\u00ebt\u00eb komand\u00eb, mund t\u00eb anashkaloj\u00eb kufizimin e vendosur dhe t\u00eb ekzekutoj\u00eb komand\u00ebn me t\u00eb drejta root. P\u00ebr t\u00eb anashkaluar kufizimin, mjafton t\u00eb p\u00ebrpiqet t\u00eb ekzekutoj\u00eb komand\u00ebn e caktuar n\u00eb konfigurime me UID «-1» ose «4294967295», e cila do t\u00eb rezultoj\u00eb n\u00eb ekzekutimin e saj me UID 0. <\/p>\n

P\u00ebr shembull, n\u00ebse n\u00eb rregullat ka nj\u00eb rregull q\u00eb i jep t\u00eb gjith\u00eb p\u00ebrdoruesve t\u00eb drejtat p\u00ebr t\u00eb ekzekutuar programin \/usr\/bin\/id n\u00ebn \u00e7do UID:<\/p>\n

myhost ALL = (ALL, !root) \/usr\/bin\/id<\/p>\n

ose zgjidhje q\u00eb lejon ekzekutimin vet\u00ebm nga p\u00ebrdoruesi specifik bob:<\/p>\n

myhost bob = (T\u00cb GJITHA, !root) \/usr\/bin\/id<\/p>\n

P\u00ebrdoruesi mund t\u00eb ekzekutoj\u00eb «sudo -u ‘#-1’ id» dhe utilitari \/usr\/bin\/id do t\u00eb ekzekutohet me t\u00eb drejtat e root, pavar\u00ebsisht ndalimit t\u00eb qart\u00eb n\u00eb konfigurim. Problemi shkaktohet nga nj\u00eb harrim i vlerave speciale «-1» ose «4294967295», t\u00eb cilat nuk \u00e7ojn\u00eb n\u00eb ndryshimin e UID, por pasi sudo tashm\u00eb ekzekutohet n\u00ebn root, pa ndryshimin e UID, komandat e synuara gjithashtu ekzekutohen me t\u00eb drejtat e root. <\/p>\n

N\u00eb shp\u00ebrndarjet SUSE dhe openSUSE pa specifikimin n\u00eb rregullin «NOPASSWD» ekziston nj\u00eb vulnerabilitet nuk shfryt\u00ebzohet<\/a><\/noindex>, pasi n\u00eb sudoers n\u00eb m\u00ebnyr\u00eb default \u00ebsht\u00eb aktivizuar moda «Defaults targetpw» ku kryhet kontrolli i UID duke p\u00ebrdorur baz\u00ebn e fjal\u00ebkalimeve me daljen e k\u00ebrkes\u00ebs p\u00ebr futje t\u00eb fjal\u00ebkalimit t\u00eb p\u00ebrdoruesit t\u00eb synuar. P\u00ebr sisteme t\u00eb k\u00ebtilla, sulmi mund t\u00eb kryhet vet\u00ebm n\u00ebse ekzistojn\u00eb rregulla t\u00eb natyr\u00ebs:<\/p>\n

myhost T\u00cb GJITHA = (T\u00cb GJITHA, !root) NOPASSWD: \/usr\/bin\/id<\/p>\n

Problemi \u00ebsht\u00eb zgjidhur n\u00eb l\u00ebshimin Sudo 1.8.28<\/a><\/noindex>. Rregullimi \u00ebsht\u00eb gjithashtu n\u00eb dispozicion si patch<\/a><\/noindex>. N\u00eb shp\u00ebrndarjet, dob\u00ebsia tashm\u00eb \u00ebsht\u00eb e eliminuar n\u00eb Debian<\/a><\/noindex>, Arch Linux<\/a><\/noindex>, SUSE\/openSUSE<\/a><\/noindex>, Ubuntu<\/a><\/noindex>, Gentoo<\/a><\/noindex> dhe FreeBSD<\/a><\/noindex>. N\u00eb momentin e shkruajtjes s\u00eb lajmeve, problemi mbetet i pap\u00ebrmir\u00ebsuar n\u00eb RHEL<\/a><\/noindex> dhe Fedora<\/a><\/noindex>. Dob\u00ebsia \u00ebsht\u00eb identifikuar nga k\u00ebrkuesit e siguris\u00eb nga kompanis\u00eb Apple.<\/p>\n

<\/a><\/noindex><\/p>\n

Burimi: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u0443\u0442\u0438\u043b\u0438\u0442\u0435 Sudo, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0439 \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u043c\u0430\u043d\u0434 \u043e\u0442 \u0438\u043c\u0435\u043d\u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2019-14287), \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u043c\u0430\u043d\u0434 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root, \u043f\u0440\u0438 \u043d\u0430\u043b\u0438\u0447\u0438\u0438 \u0432 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430\u0445 sudoers \u043f\u0440\u0430\u0432\u0438\u043b, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0432 \u0441\u0435\u043a\u0446\u0438\u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u0430 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043f\u043e\u0441\u043b\u0435 \u0440\u0430\u0437\u0440\u0435\u0448\u0430\u044e\u0449\u0435\u0433\u043e \u043a\u043b\u044e\u0447\u0435\u0432\u043e\u0433\u043e \u0441\u043b\u043e\u0432\u0430 «ALL» \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u044f\u0432\u043d\u044b\u0439 \u0437\u0430\u043f\u0440\u0435\u0442 \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root («… (ALL, !root) …»). \u0412 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f\u0445 \u043f\u043e […]<\/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-38918","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 n\u00eb sudo q\u00eb lejon rritjen e privilegjeve me p\u00ebrdorimin e rregullave specifike | ProHoster","description":"N\u00eb utilitarin Sudo, i p\u00ebrdorur p\u00ebr t\u00eb organizuar ekzekutimin e komandave n\u00eb em\u00ebr t\u00eb p\u00ebrdoruesve t\u00eb tjer\u00eb, \u00ebsht\u00eb zbuluar nj\u00eb dob\u00ebsi (CVE-2019-14287) e cila lejon ekzekutimin e komandave me t\u00eb drejtat root, n\u00eb rast se n\u00eb konfigurimin e sudoers ka rregulla ku n\u00eb seksionin e verifikimit t\u00eb identitetit t\u00eb p\u00ebrdoruesit pas fjal\u00ebs ky\u00e7e lejuese \"ALL\" ndodhet nj\u00eb ndales\u00eb e qart\u00eb p\u00ebr ekzekutimin me t\u00eb drejtat root (\"... (ALL, !root) ...\"). N\u00eb konfigurimet sipas","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimost-v-sudo-pozvolyayushhaya-povysit-privilegii-pri-ispolzovanii-spetsifichnyh-pravil","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 \u0432 sudo, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u044b\u0445 \u043f\u0440\u0430\u0432\u0438\u043b | ProHoster","og:description":"\u0412 \u0443\u0442\u0438\u043b\u0438\u0442\u0435 Sudo, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0439 \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u043c\u0430\u043d\u0434 \u043e\u0442 \u0438\u043c\u0435\u043d\u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2019-14287), \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u043c\u0430\u043d\u0434 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root, \u043f\u0440\u0438 \u043d\u0430\u043b\u0438\u0447\u0438\u0438 \u0432 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430\u0445 sudoers \u043f\u0440\u0430\u0432\u0438\u043b, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0432 \u0441\u0435\u043a\u0446\u0438\u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u0430 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043f\u043e\u0441\u043b\u0435 \u0440\u0430\u0437\u0440\u0435\u0448\u0430\u044e\u0449\u0435\u0433\u043e \u043a\u043b\u044e\u0447\u0435\u0432\u043e\u0433\u043e \u0441\u043b\u043e\u0432\u0430 "ALL" \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u044f\u0432\u043d\u044b\u0439 \u0437\u0430\u043f\u0440\u0435\u0442 \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root ("... (ALL, !root) ..."). \u0412 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f\u0445 \u043f\u043e","og:url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimost-v-sudo-pozvolyayushhaya-povysit-privilegii-pri-ispolzovanii-spetsifichnyh-pravil","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":"2019-10-31T19:26:45+00:00","article:modified_time":"2019-10-31T19:26:45+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"38918","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":null,"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":"2026-01-23 23:57:19","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-03-01 01:00:27","updated":"2026-01-23 23:57:19"},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/38918","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=38918"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/38918\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/media?parent=38918"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/categories?post=38918"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/tags?post=38918"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}