{"id":105776,"date":"2022-12-01T15:37:11","date_gmt":"2022-12-01T13:37:11","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/udalyonno-ekspluatiruemaya-root-uyazvimost-v-utilite-ping-postavlyaemoj-vo-freebsd"},"modified":"2022-12-01T15:37:11","modified_gmt":"2022-12-01T13:37:11","slug":"udalyonno-ekspluatiruemaya-root-uyazvimost-v-utilite-ping-postavlyaemoj-vo-freebsd","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/udalyonno-ekspluatiruemaya-root-uyazvimost-v-utilite-ping-postavlyaemoj-vo-freebsd","title":{"rendered":"Pjesa e shfryt\u00ebzueshme e root-it n\u00eb utilitarin ping, i s\u00eb cil\u00ebs ofrohet n\u00eb FreeBSD","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

N\u00eb FreeBSD \u00ebsht\u00eb identifikuar nj\u00eb dob\u00ebsi (CVE-2022-23093) n\u00eb utilitarin ping, i cili b\u00ebn pjes\u00eb n\u00eb paket\u00ebn baz\u00eb. Problemi potencialisht mund t\u00eb \u00e7oj\u00eb n\u00eb ekzekutimin e kodit nga distanca me privilegje root kur kontrollohet nj\u00eb host i jasht\u00ebm, i kontrolluar nga nj\u00eb sulmues. Rregullimi \u00ebsht\u00eb propozuar n\u00eb p\u00ebrdit\u00ebsimet FreeBSD 13.1-RELEASE-p5, 12.4-RC2-p2 dhe 12.3-RELEASE-p10. Nuk \u00ebsht\u00eb ende e qart\u00eb n\u00ebse sistemet e tjera BSD jan\u00eb t\u00eb prekshme nga dob\u00ebsia e identifikuar (nuk ka raportime p\u00ebr dob\u00ebsi n\u00eb NetBSD, DragonFlyBSD dhe OpenBSD deri tani). <\/p>\n

Dob\u00ebsia shkaktohet nga nj\u00eb mbushje e tamponit n\u00eb kodin e analiz\u00ebs s\u00eb mesazhve ICMP q\u00eb vijn\u00eb si p\u00ebrgjigje ndaj k\u00ebrkes\u00ebs kontroluese. Kodi i d\u00ebrgimit dhe marrjes s\u00eb mesazheve ICMP n\u00eb ping p\u00ebrdor soket\u00eb raw dhe t\u00eb ekzekutohet me privilegje t\u00eb rritura (utilitari ofrohet me flamurin setuid root). P\u00ebrpunimi i p\u00ebrgjigjes b\u00ebhet nga ping p\u00ebrmes rikonstruksionit t\u00eb IP- dhe ICMP-headerave t\u00eb pakove q\u00eb merren nga soketi raw. Headerat IP dhe ICMP t\u00eb alokuar kopjohen nga funksioni pr_pack() n\u00eb tampon\u00eb, pa marr\u00eb parasysh se n\u00eb paket\u00eb pas headerit IP mund t\u00eb jen\u00eb t\u00eb pranish\u00ebm header t\u00eb tjer\u00eb t\u00eb zgjatur. <\/p>\n

Headerat e till\u00eb alokohen nga paketa dhe p\u00ebrfshihen n\u00eb bllokun e headerave, por nuk merren parasysh n\u00eb llogaritjen e madh\u00ebsis\u00eb s\u00eb tamponit. N\u00ebse hosti n\u00eb p\u00ebrgjigje t\u00eb k\u00ebrkes\u00ebs ICMP t\u00eb d\u00ebrguar kthen nj\u00eb paket\u00eb me header t\u00eb shtuar, p\u00ebrmbajtja e tyre do t\u00eb shkruhet n\u00eb nj\u00eb hap\u00ebsir\u00eb jasht\u00eb tamponit n\u00eb stok. Si rezultat, sulmuesi mund t\u00eb ri-shkruaj\u00eb deri n\u00eb 40 byte t\u00eb dh\u00ebnash n\u00eb stok, gj\u00eb q\u00eb potencialisht lejon ekzekutimin e kodit t\u00eb tij. Rrezikshm\u00ebria e problemit zbutet nga fakti se, gjat\u00eb manifestimit t\u00eb gabimit, procesi ndodhet n\u00eb nj\u00eb gjendje t\u00eb izoluar t\u00eb thirrjeve sistemike (capability mode), gj\u00eb q\u00eb e v\u00ebshtir\u00ebson marrjen e aksesit n\u00eb sistemin e mbetur pas shfryt\u00ebzimit t\u00eb dob\u00ebsis\u00eb.
\n
Burimi: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412\u043e FreeBSD \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2022-23093) \u0432 \u0443\u0442\u0438\u043b\u0438\u0442\u0435 ping, \u0432\u0445\u043e\u0434\u044f\u0449\u0435\u0439 \u0432 \u0431\u0430\u0437\u043e\u0432\u0443\u044e \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0443. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u043c\u0443 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0434\u0430 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root \u043f\u0440\u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0435 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 ping \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u0445\u043e\u0441\u0442\u0430, \u043f\u043e\u0434\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c\u043d\u043e\u0433\u043e \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0443. \u0418\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043e \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 FreeBSD 13.1-RELEASE-p5, 12.4-RC2-p2 \u0438 12.3-RELEASE-p10. \u041f\u043e\u0434\u0432\u0435\u0440\u0436\u0435\u043d\u044b \u043b\u0438 \u0434\u0440\u0443\u0433\u0438\u0435 BSD-\u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043d\u043e\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u043e\u043a\u0430 \u043d\u0435 \u044f\u0441\u043d\u043e (\u043e\u0442\u0447\u0451\u0442\u043e\u0432 \u043e\u0431 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 NetBSD, […]<\/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-105776","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\u00ebsi root e cila eksploitohet nga distanca n\u00eb utilitarin ping, i cili ofrohet n\u00eb FreeBSD | ProHoster","description":"N\u00eb FreeBSD \u00ebsht\u00eb identifikuar nj\u00eb dob\u00ebsi (CVE-2022-23093) n\u00eb utilitarin ping, i cili b\u00ebn pjes\u00eb n\u00eb paket\u00ebn baz\u00eb. Problemi potencialisht mund t\u00eb \u00e7oj\u00eb n\u00eb ekzekutimin e kodit nga distanca me privilegje root kur kontrollohet nj\u00eb host i jasht\u00ebm, i kontrolluar nga nj\u00eb sulmues. Rregullimi \u00ebsht\u00eb propozuar n\u00eb p\u00ebrdit\u00ebsimet FreeBSD 13.1-RELEASE-p5, 12.4-RC2-p2 dhe 12.3-RELEASE-p10. Nuk \u00ebsht\u00eb ende e qart\u00eb n\u00ebse sistemet e tjera BSD jan\u00eb t\u00eb prekshme nga dob\u00ebsia e identifikuar (nuk ka raportime p\u00ebr dob\u00ebsi n\u00eb NetBSD,","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/udalyonno-ekspluatiruemaya-root-uyazvimost-v-utilite-ping-postavlyaemoj-vo-freebsd","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\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u0443\u0435\u043c\u0430\u044f root-\u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u0443\u0442\u0438\u043b\u0438\u0442\u0435 ping, \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u043e\u0439 \u0432\u043e FreeBSD | ProHoster","og:description":"\u0412\u043e FreeBSD \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2022-23093) \u0432 \u0443\u0442\u0438\u043b\u0438\u0442\u0435 ping, \u0432\u0445\u043e\u0434\u044f\u0449\u0435\u0439 \u0432 \u0431\u0430\u0437\u043e\u0432\u0443\u044e \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0443. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u043c\u0443 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0434\u0430 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root \u043f\u0440\u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0435 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 ping \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u0445\u043e\u0441\u0442\u0430, \u043f\u043e\u0434\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c\u043d\u043e\u0433\u043e \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0443. \u0418\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043e \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 FreeBSD 13.1-RELEASE-p5, 12.4-RC2-p2 \u0438 12.3-RELEASE-p10. \u041f\u043e\u0434\u0432\u0435\u0440\u0436\u0435\u043d\u044b \u043b\u0438 \u0434\u0440\u0443\u0433\u0438\u0435 BSD-\u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043d\u043e\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u043e\u043a\u0430 \u043d\u0435 \u044f\u0441\u043d\u043e (\u043e\u0442\u0447\u0451\u0442\u043e\u0432 \u043e\u0431 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 NetBSD,","og:url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/udalyonno-ekspluatiruemaya-root-uyazvimost-v-utilite-ping-postavlyaemoj-vo-freebsd","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":"2022-12-01T13:37:11+00:00","article:modified_time":"2022-12-01T13:37:11+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\/105776","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=105776"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/105776\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/media?parent=105776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/categories?post=105776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/tags?post=105776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}