{"id":36164,"date":"2019-10-31T22:09:56","date_gmt":"2019-10-31T19:09:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/v-zavisimostyah-k-npm-paketu-s-ustanovshhikom-purescript-vyyavleny-vredonosnye-izmeneniya\/"},"modified":"2019-10-31T22:09:56","modified_gmt":"2019-10-31T19:09:56","slug":"v-zavisimostyah-k-npm-paketu-s-ustanovshhikom-purescript-vyyavleny-vredonosnye-izmeneniya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/v-zavisimostyah-k-npm-paketu-s-ustanovshhikom-purescript-vyyavleny-vredonosnye-izmeneniya","title":{"rendered":"U zavisnostima npm paketa s installerom PureScript otkrivene su zlo\u0107udne promjene","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

U zavisnostima za npm paket s instalaterom PureScript otkriven<\/a><\/noindex> maliciozni kod koji se javlja prilikom poku\u0161aja instalacije paketa purescript<\/a><\/noindex>. Maliciozni kod je ugra\u0111en kroz zavisnosti load-from-cwd-or-npm<\/a><\/noindex> i rate-map<\/a><\/noindex>. Zanimljivo je da pakete s ovim zavisnostima odr\u017eava izvorni autor npm paketa s instalaterom PureScript, koji je do nedavno bio zadu\u017een za odr\u017eavanje ovog npm paketa, ali je paket pre\u0161ao na druge odr\u017eavaoce prije otprilike mjesec dana. <\/p>\n

Problem je otkrio jedan od novih odr\u017eavaoca paketa, kojem su prava na odr\u017eavanje predata nakon mnogih nesuglasica i neugodnih rasprava s izvorom autora npm paketa purescript. Novi odr\u017eavaoci su odgovorni za kompajler PureScript i insistirali su da npm paket s instalaterom treba odr\u017eavati isti tim, a ne strana lica. Autor npm paketa s instalaterom PureScript se dugo opirao, ali je na kraju popustio i prebacio pristup repozitoriju. Ipak, neki od zavisnosti su ostali pod njegovom kontrolom.<\/p>\n

Pro\u0161le sedmice je objavljen izlaz kompajlera PureScript 0.13.2 i
\nNovi kolege su pripremili a\u017euriranje npm paketa sa installerom, u \u010dijim su zavisnostima otkriveni zlonamerni kodovi. Otpljen s pozicije odr\u017eavaoca, autor npm paketa s installerom PureScript izjavio je da je njegova ra\u010dunica kompromitovana od strane nepoznatih napada\u010da. Ipak, u trenutnom stanju, zlonamerna aktivnost se ograni\u010davala samo na sabotiranje instalacije paketa, koji je postao prva verzija novih odr\u017eavaoca. Zlonamerne radnje svodile su se na petlju s ispisom gre\u0161ke pri poku\u0161aju instalacije paketa komandom 'npm i -g purescript' bez izvr\u0161avanja o\u010ditih zlonamernih aktivnosti.<\/p>\n

Otkrivene su dvije napasti. Nekoliko sati nakon slu\u017ebenog izlaska nove verzije npm paketa purescript, neko je stvorio novu verziju zavisnosti load-from-cwd-or-npm 3.0.2, \u010dije su izmjene dovele do toga da poziv loadFromCwdOrNpm() umjesto liste neophodnih binarnih datoteka za instalaciju vra\u0107a tok PassThrough<\/a><\/noindex>, koji odra\u017eava ulazne zahtjeve kao izlazne vrijednosti. <\/p>\n

Nakon 4 dana, nakon \u0161to su programeri istra\u017eili izvor gre\u0161aka i pripremili se za izdavanje a\u017euriranja za isklju\u010denje load-from-cwd-or-npm iz zavisnosti, zlonamerni akteri su objavili jo\u0161 jedno a\u017euriranje load-from-cwd-or-npm 3.0.4, u kojem je zlonamerni kod uklonjen. Me\u0111utim, skoro odmah je objavljeno a\u017euriranje druge zavisnosti rate-map 1.0.3, u kojoj je dodata ispravka koja blokira callback poziv za u\u010ditavanje. Drugim re\u010dima, u oba slu\u010daja su izmene u novim verzijama load-from-cwd-or-npm i rate-map imale karakter otvorene diverzije. \u0160tavi\u0161e, u zlonamernom kodu je postojala provera koja je aktivirala gre\u0161ke samo pri instalaciji izdanja od novih odr\u017eava\u010da i nikako se nije manifestovala pri instalaciji starih verzija.<\/p>\n

Programeri su re\u0161ili problem izdavanjem a\u017euriranja u kojem su problemati\u010dne zavisnosti uklonjene. Da bi se isklju\u010dilo zadr\u017eavanje kompromitovanog koda na sistemima korisnika nakon poku\u0161aja instalacije problemati\u010dne verzije, preporu\u010duje se da se obri\u0161u sadr\u017eaji foldera node_modules i datoteka package-lock.json, nakon \u010dega treba postaviti kao donju granicu verziju purescript 0.13.2.<\/p>\n

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

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

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