{"id":101282,"date":"2021-09-17T04:22:36","date_gmt":"2021-09-17T02:22:36","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-travis-ci-privodyashhaya-k-utechke-klyuchej-publichnyh-repozitoriev"},"modified":"2021-09-17T04:22:36","modified_gmt":"2021-09-17T02:22:36","slug":"uyazvimost-v-travis-ci-privodyashhaya-k-utechke-klyuchej-publichnyh-repozitoriev","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/uyazvimost-v-travis-ci-privodyashhaya-k-utechke-klyuchej-publichnyh-repozitoriev","title":{"rendered":"Ranjivost u Travis CI, \u0161to dovodi do curenja klju\u010deva javnih repozitorija","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

U servisu kontinuirane integracije Travis CI, namijenjenom za testiranje i izgradnju projekata razvijenih na GitHubu i Bitbucketu, otkriven je problem s sigurno\u0161\u0107u (CVE-2021-41077) koji omogu\u0107ava pristup sadr\u017eaju povjerljivih varijabli okru\u017eenja javnih repozitorija koji koriste Travis CI. Izme\u0111u ostalog, ranjivost omogu\u0107ava pristup klju\u010devima kori\u0161tenim u Travis CI za kreiranje digitalnih potpisa, klju\u010devima za pristup i tokenima za API pozive. <\/p>\n

Problem je bio prisutan u Travis CI od 3. do 10. rujna. Zanimljivo je da je informacija o ranjivosti prenesena programerima 7. rujna, ali su u odgovoru dobili samo preporuku o rotaciji klju\u010deva. Ne do\u0161av\u0161i do odgovaraju\u0107e povratne informacije, istra\u017eiva\u010di su kontaktirali GitHub i predlo\u017eili da se Travis stavlja na crnu listu. Problem je otklonjen tek 10. rujna, nakon brojnih pritu\u017ebi raznih projekata. Nakon incidenta, na web stranici tvrtke Travis CI objavljen je \u010dudni izvje\u0161taj o problemu, u kojem umjesto informiranja o ispravku ranjivosti, isklju\u010divo sadr\u017ei navedenu preporuku o cikli\u010dkoj promjeni klju\u010deva pristupa. <\/p>\n

Nakon uzbune zbog skrivenih informacija koje su iznijeli neki veliki projekti, na forumu za podr\u0161ku Travis CI objavljeno je detaljnije izvje\u0161\u0107e u kojem se upozorava da vlasnik forka bilo kojeg javnog repozitorija mo\u017ee putem slanja pull zahtjeva pokrenuti proces izgradnje i dobiti neovla\u0161teni pristup povjerljivim varijablama okru\u017eenja izvorne repozitorija, koje se izla\u017eu tijekom izgradnje na temelju polja iz datoteke «.travis.yml» ili definiranim putem web su\u010delja Travis CI. Takve varijable pohranjuju se u \u0161ifriranom obliku i de\u0161ifriraju se samo tijekom izgradnje. Problem se odnosio samo na javno dostupne repozitorije koji imaju forke (privatni repozitoriji nisu podlo\u017eni napadu).
\n
Izvor: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u0441\u0435\u0440\u0432\u0438\u0441\u0435 \u043d\u0435\u043f\u0440\u0435\u0440\u044b\u0432\u043d\u043e\u0439 \u0438\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u0438 Travis CI, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u043c \u0434\u043b\u044f \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u0441\u0431\u043e\u0440\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432, \u0440\u0430\u0437\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u043c\u044b\u0445 \u043d\u0430 GitHub \u0438 Bitbucket, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0441 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c\u044e (CVE-2021-41077), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0443\u0437\u043d\u0430\u0442\u044c \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 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