{"id":101233,"date":"2021-09-09T10:22:51","date_gmt":"2021-09-09T08:22:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-npm-privodyashhaya-k-perezapisi-fajlov-v-sisteme"},"modified":"2021-09-09T10:22:51","modified_gmt":"2021-09-09T08:22:51","slug":"uyazvimost-v-npm-privodyashhaya-k-perezapisi-fajlov-v-sisteme","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimost-v-npm-privodyashhaya-k-perezapisi-fajlov-v-sisteme","title":{"rendered":"Vulnerabilitet n\u00eb NPM, q\u00eb \u00e7on n\u00eb rishkrimin e skedar\u00ebve n\u00eb sistem","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kompania GitHub zbuloi detaje rreth shtat\u00eb vulnerabiliteteve n\u00eb paketat tar dhe @npmcli\/arborist, q\u00eb ofrojn\u00eb funksione p\u00ebr pun\u00ebn me arkivat tar dhe llogaritjen e pem\u00ebs s\u00eb var\u00ebsive n\u00eb Node.js. Vulnerabilitetet lejojn\u00eb q\u00eb gjat\u00eb zhveshjes s\u00eb nj\u00eb arkivi t\u00eb dizajnuar posa\u00e7\u00ebrisht, t\u00eb rinovohen skedar\u00eb jasht\u00eb katalogut kryesor ku po b\u00ebhet zhveshja, sa e lejojn\u00eb aktualisht t\u00eb drejtat e aksesit. Problemet ofrojn\u00eb mund\u00ebsin\u00eb p\u00ebr t\u00eb organizuar ekzekutimin e kodit arbitrar n\u00eb sistem, p\u00ebr shembull, p\u00ebrmes shtimit t\u00eb komandave n\u00eb ~\/ .bashrc ose ~\/ .profile gjat\u00eb kryerjes s\u00eb veprimit nga nj\u00eb p\u00ebrdorues pa privilegje ose p\u00ebrmes z\u00ebvend\u00ebsimit t\u00eb skedar\u00ebve sistemor\u00eb kur startohet me t\u00eb drejtat root. <\/p>\n

Rreziku i dobive t\u00eb ndjeshm\u00ebris\u00eb p\u00ebrkeq\u00ebsohet nga p\u00ebrdorimi i kodit problematik n\u00eb menaxherin e paketave npm gjat\u00eb operacioneve me paketat npm, duke mund\u00ebsuar organizimin e nj\u00eb sulmi ndaj p\u00ebrdoruesve duke publikuar nj\u00eb paket\u00eb npm t\u00eb formatuar posa\u00e7\u00ebrisht n\u00eb depo, ekzekutimi i kodit t\u00eb sulmuesit do t\u00eb ndodhte gjat\u00eb p\u00ebrpunimit t\u00eb saj n\u00eb sistem. Sulmi \u00ebsht\u00eb i mundur edhe kur instalohen paketat n\u00eb modalitetin «—ignore-scripts», i cili \u00e7aktivizon ekzekutimin e skenareve t\u00eb integruar. Npm p\u00ebrfshin kat\u00ebr ndjeshm\u00ebri (CVE-2021-32804, CVE-2021-37713, CVE-2021-39134 dhe CVE-2021-39135) nga shtat\u00eb n\u00eb total. Dy problemet e para lidhen me paket\u00ebn tar, nd\u00ebrsa dy t\u00eb tjerat me paket\u00ebn @npmcli\/arborist. <\/p>\n

Ndjeshm\u00ebria m\u00eb e rrezikshme CVE-2021-32804 shkaktohet nga m\u00ebnyra se si trajtohen keq simbolet e p\u00ebrs\u00ebritura «\/» gjat\u00eb pastrimit t\u00eb rrug\u00ebve absolute t\u00eb specifikuara n\u00eb arkivin tar \u2014 duke fshir\u00eb vet\u00ebm simbolin e par\u00eb, nd\u00ebrsa t\u00eb tjer\u00ebt mbarten. P\u00ebr shembull, rruga «\/home\/user\/.bashrc» do t\u00eb shnd\u00ebrrohet n\u00eb «home\/user\/.bashrc», nd\u00ebrsa rruga «\/\/home\/user\/.bashrc» n\u00eb «\/home\/user\/.bashrc». Ndjeshm\u00ebria e dyt\u00eb CVE-2021-37713 shfaqet vet\u00ebm n\u00eb platform\u00ebn Windows dhe lidhet me pastrimin e gabuar t\u00eb rrug\u00ebve relative, duke p\u00ebrfshir\u00eb simbolin e disku t\u00eb pandar\u00eb («C:some\path») dhe sekuenc\u00ebn p\u00ebr rikthimin n\u00eb direktorin\u00eb e m\u00ebparshme («C:..\/foo»). <\/p>\n

Ndjeshm\u00ebrit\u00eb CVE-2021-39134 dhe CVE-2021-39135 jan\u00eb specifike p\u00ebr modul @npmcli\/arborist. Problemi i par\u00eb shkaktohet vet\u00ebm n\u00eb sisteme q\u00eb nuk b\u00ebjn\u00eb dallimin e regjistrave t\u00eb simboleve n\u00eb FS (macOS dhe Windows), dhe lejon shkruarjen e skedar\u00ebve n\u00eb \u00e7do pjes\u00eb t\u00eb FS-s\u00eb, duke specifikuar n\u00eb mesin e var\u00ebsive dy modulet ‘»foo»: «file:\/some\/path»‘ dhe ‘FOO: «file:foo.tgz»‘, procesi i t\u00eb cil\u00ebve do t\u00eb \u00e7onte n\u00eb fshirjen e p\u00ebrmbajtjes s\u00eb direktoris\u00eb \/some\/path dhe shkruarjen e p\u00ebrmbajtjes nga foo.tgz. Problemi i dyt\u00eb lejon q\u00eb skedar\u00ebt t\u00eb ri-shkruhen p\u00ebrmes manipulimit me lidhjet simbolike. <\/p>\n

Ndjeshm\u00ebrit\u00eb jan\u00eb eliminuar n\u00eb versionet Node.js 12.22.6 dhe 14.17.6, npm CLI 6.14.15 dhe 7.21.0, si dhe n\u00eb versionet e ve\u00e7anta t\u00eb paket\u00ebs tar 4.4.19, 5.0.11 dhe 6.1.10. Pas marrjes s\u00eb informacionit p\u00ebr problemin n\u00eb kuad\u00ebr t\u00eb iniciativ\u00ebs «bug bounty», GitHub i pagoi k\u00ebrkuesve $14500 dhe skanoi p\u00ebrmbajtjen e depot, ku nuk u identifikuan p\u00ebrpjekje p\u00ebr shfryt\u00ebzimin e ndjeshm\u00ebrive. P\u00ebr t\u00eb mbrojtur nga k\u00ebto probleme, GitHub gjithashtu aplikoi nj\u00eb ndalim n\u00eb publikimin e paketave NPM n\u00eb depo q\u00eb p\u00ebrfshijn\u00eb lidhje simbolike, lidhje t\u00eb forta dhe rrug\u00eb absolute.
\n
Burimi: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f GitHub \u0440\u0430\u0441\u043a\u0440\u044b\u043b\u0430 \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0438 \u043e \u0441\u0435\u043c\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u0445 \u0432 \u043f\u0430\u043a\u0435\u0442\u0430\u0445 tar \u0438 @npmcli\/arborist, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 tar-\u0430\u0440\u0445\u0438\u0432\u0430\u043c\u0438 \u0438 \u0440\u0430\u0441\u0447\u0435\u0442\u0430 \u0434\u0435\u0440\u0435\u0432\u0430 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 Node.js. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u043f\u0440\u0438 \u0440\u0430\u0441\u043f\u0430\u043a\u043e\u0432\u043a\u0435 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0430\u0440\u0445\u0438\u0432\u0430 \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u0444\u0430\u0439\u043b\u044b \u0437\u0430 \u043f\u0440\u0435\u0434\u0435\u043b\u0430\u043c\u0438 \u043a\u043e\u0440\u043d\u0435\u0432\u043e\u0433\u043e \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0430, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0440\u0430\u0441\u043f\u0430\u043a\u043e\u0432\u043a\u0430, \u043d\u0430\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u044d\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0442\u0435\u043a\u0443\u0449\u0438\u0435 \u043f\u0440\u0430\u0432\u0430 \u0434\u043e\u0441\u0442\u0443\u043f\u0430. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0434\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 \u0432 […]<\/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-101233","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\udd47Vulnerabiliteti n\u00eb NPM q\u00eb shkakton rinovimin e skedar\u00ebve n\u00eb sistem | ProHoster","description":"Kompania GitHub zbuloi detaje rreth shtat\u00eb vulnerabiliteteve n\u00eb paketat tar dhe @npmcli\/arborist, q\u00eb ofrojn\u00eb funksione p\u00ebr pun\u00ebn me arkivat tar dhe llogaritjen e pem\u00ebs s\u00eb var\u00ebsive n\u00eb Node.js. Vulnerabilitetet lejojn\u00eb q\u00eb gjat\u00eb zhveshjes s\u00eb nj\u00eb arkivi t\u00eb dizajnuar posa\u00e7\u00ebrisht, t\u00eb rinovohen skedar\u00eb jasht\u00eb katalogut kryesor ku po b\u00ebhet zhveshja, sa e lejojn\u00eb aktualisht t\u00eb drejtat e aksesit. Problemet ofrojn\u00eb mund\u00ebsin\u00eb p\u00ebr t\u00eb organizuar ekzekutimin e kodit arbitrar n\u00eb","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimost-v-npm-privodyashhaya-k-perezapisi-fajlov-v-sisteme","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 NPM, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0430\u044f \u043a \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0438\u0441\u0438 \u0444\u0430\u0439\u043b\u043e\u0432 \u0432 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