{"id":99606,"date":"2021-03-29T22:22:34","date_gmt":"2021-03-29T20:22:34","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-git-repozitorii-proekta-php-vyyavleny-vredonosnye-izmeneniya"},"modified":"2021-03-29T22:22:34","modified_gmt":"2021-03-29T20:22:34","slug":"v-git-repozitorii-proekta-php-vyyavleny-vredonosnye-izmeneniya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/v-git-repozitorii-proekta-php-vyyavleny-vredonosnye-izmeneniya","title":{"rendered":"A PHP projekt Git-t\u00e1rol\u00f3j\u00e1ban rosszindulat\u00fa v\u00e1ltoz\u00e1sokat fedeztek fel.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A PHP projekt fejleszt\u0151i figyelmeztett\u00e9k a Git-t\u00e1rol\u00f3 kompromitt\u00e1l\u00f3d\u00e1s\u00e1r\u00f3l \u00e9s k\u00e9t rosszindulat\u00fa commit \u00e9szlel\u00e9s\u00e9r\u0151l, amelyeket m\u00e1rcius 28-\u00e1n, Rasmus Lerdorf, a PHP alap\u00edt\u00f3ja, \u00e9s Nikita Popov, a PHP egyik kulcsfejleszt\u0151je nev\u00e9ben adtak hozz\u00e1 a php-src t\u00e1rol\u00f3hoz. <\/p>\n

Mivel k\u00e9ts\u00e9gek mer\u00fcltek fel a Git-t\u00e1rol\u00f3 elhelyez\u00e9s\u00e9nek megb\u00edzhat\u00f3s\u00e1g\u00e1val kapcsolatban, a fejleszt\u0151k \u00fagy d\u00f6nt\u00f6ttek, hogy a Git-infrastrukt\u00fara fenntart\u00e1sa kieg\u00e9sz\u00edt\u0151 biztons\u00e1gi kock\u00e1zatokat hordoz, \u00e9s a referenci\u00e1t a GitHub platformra helyezt\u00e9k \u00e1t, amelyet javasoltak els\u0151dleges haszn\u00e1latra. Minden v\u00e1ltoz\u00e1st ezent\u00fal a GitHub-ra kell beny\u00fajtani, nem a git.php.net-re, bele\u00e9rtve a fejleszt\u00e9st is, amelyhez mostant\u00f3l a GitHub webes fel\u00fclet\u00e9t lehet haszn\u00e1lni. <\/p>\n

Az els\u0151 rosszindulat\u00fa commit, amely \u00e1rtalmatlan jav\u00edt\u00e1snak \u00e1lc\u00e1zva jelent meg az ext\/zlib\/zlib.c f\u00e1jlban, tartalmazott egy m\u00f3dos\u00edt\u00e1st, amely futtatja a PHP k\u00f3dot, amit a User Agent HTTP header\u00e9ben adtak meg, ha a tartalom a \"zerodium\" sz\u00f3val kezd\u0151dik. Miut\u00e1n a fejleszt\u0151k felfedezt\u00e9k a rosszindulat\u00fa m\u00f3dos\u00edt\u00e1st \u00e9s visszavont\u00e1k, a t\u00e1rol\u00f3ban megjelent egy m\u00e1sodik commit, amely visszavonta a PHP fejleszt\u0151k int\u00e9zked\u00e9s\u00e9t \u00e9s vissza\u00e1ll\u00edtotta a rosszindulat\u00fa m\u00f3dos\u00edt\u00e1st. <\/p>\n

A hozz\u00e1adott k\u00f3dban megtal\u00e1lhat\u00f3 a \"REMOVETHIS: sold to zerodium, mid 2017\" sor, amely utalhat arra, hogy 2017 \u00f3ta a k\u00f3dban egy m\u00e1sik, j\u00f3l \u00e1lc\u00e1zott rosszindulat\u00fa m\u00f3dos\u00edt\u00e1s vagy egy be nem jav\u00edtott sebezhet\u0151s\u00e9g tal\u00e1lhat\u00f3, amelyet a Zerodium nev\u0171 c\u00e9gnek adtak el, amely 0-day sebezhet\u0151s\u00e9geket v\u00e1s\u00e1rol. (A Zerodium c\u00e9g v\u00e1laszolt, hogy nem v\u00e1s\u00e1rolt inform\u00e1ci\u00f3kat a PHP sebezhet\u0151s\u00e9g\u00e9r\u0151l.) <\/p>\n

Jelenleg nincs r\u00e9szletes inform\u00e1ci\u00f3 az esetr\u0151l, csup\u00e1n annyit felt\u00e9teleznek, hogy a v\u00e1ltoz\u00e1sok egy hackel\u00e9s k\u00f6vetkezt\u00e9ben ker\u00fcltek hozz\u00e1ad\u00e1sra a git.php.net-hez, nem pedig a fejleszt\u0151k egyedi fi\u00f3kjainak kompromitt\u00e1l\u00f3d\u00e1sa miatt. Elemz\u00e9s kezd\u0151d\u00f6tt a t\u00e1rol\u00f3 m\u00e1s rosszindulat\u00fa v\u00e1ltoztat\u00e1sainak felder\u00edt\u00e9s\u00e9re is a m\u00e1r \u00e9szlelt probl\u00e9m\u00e1k mellett. Mindenkit megh\u00edvnak a v\u00e9lem\u00e9nyez\u00e9sre, gyan\u00fas v\u00e1ltoz\u00e1sok \u00e9szlel\u00e9se eset\u00e9n k\u00e9rj\u00fck, k\u00fcldj\u00f6n inform\u00e1ci\u00f3t a security@php.net c\u00edmre. a szerver<\/a> git.php.net, nem pedig a fejleszt\u0151k egyes fi\u00f3kjainak kompromitt\u00e1l\u00f3d\u00e1sa. Kezdet\u00e9t vette a t\u00e1rol\u00f3 vizsg\u00e1lata, hogy m\u00e1s, rosszindulat\u00fa v\u00e1ltoz\u00e1sok ut\u00e1n nyomozzanak a m\u00e1r \u00e9szlelt probl\u00e9m\u00e1k mellett. Minden \u00e9rdekl\u0151d\u0151t v\u00e1rnak a v\u00e9lem\u00e9nyez\u00e9sre, ha gyan\u00fas v\u00e1ltoz\u00e1sok mer\u00fclnek fel, k\u00e9rj\u00fck, k\u00fcldj\u00e9k el az inform\u00e1ci\u00f3kat a security@php.net c\u00edmre. <\/p>\n

A GitHub-ra val\u00f3 \u00e1tt\u00e9r\u00e9s kapcs\u00e1n a fejleszt\u0151i csoport tagjainak \u00edr\u00e1si jogot kell kapniuk az \u00faj t\u00e1rol\u00f3hoz, amihez be kell l\u00e9pni\u00fck a PHP szervezetbe. Akik nincsenek a PHP GitHub fejleszt\u0151k k\u00f6z\u00f6tt, azoknak Nikita Popovval kell kapcsolatba l\u00e9pni\u00fck a nikic@php.net email c\u00edmen. A megfelel\u0151 jogosults\u00e1gok megszerz\u00e9se ut\u00e1n a t\u00e1rol\u00f3 v\u00e1lt\u00e1s\u00e1hoz elegend\u0151 a \"git remote set-url origin git@github.com:php\/php-src.git\" parancsot v\u00e9grehajtani. Emellett felmer\u00fclt a k\u00e9rd\u00e9s a k\u00f6telez\u0151 digit\u00e1lis al\u00e1\u00edr\u00e1sos commitok bevezet\u00e9s\u00e9r\u0151l is. Tov\u00e1bb\u00e1 javasolt\u00e1k a k\u00f6zvetlen v\u00e1ltoztat\u00e1sok hozz\u00e1ad\u00e1s\u00e1nak tilalm\u00e1t, amelyek el\u0151zetes fel\u00fclvizsg\u00e1laton nem estek \u00e1t.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 PHP \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0434\u0438\u043b\u0438 \u043e \u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0430\u0446\u0438\u0438 Git-\u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u044f \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0438 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0438 \u0434\u0432\u0443\u0445 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0445 \u043a\u043e\u043c\u043c\u0438\u0442\u043e\u0432, \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 28 \u043c\u0430\u0440\u0442\u0430 \u0432 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0439 php-src \u043e\u0442 \u0438\u043c\u0435\u043d\u0438 \u0420\u0430\u0441\u043c\u0443\u0441\u0430 \u041b\u0435\u0440\u0434\u043e\u0440\u0444\u0430, \u043e\u0441\u043d\u043e\u0432\u0430\u0442\u0435\u043b\u044f PHP, 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