{"id":104516,"date":"2022-06-27T21:36:37","date_gmt":"2022-06-27T19:36:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-openssl-3-0-4-privodyashhaya-k-udalyonnomu-povrezhdeniyu-pamyati-proczessa"},"modified":"2022-06-27T21:36:37","modified_gmt":"2022-06-27T19:36:37","slug":"uyazvimost-v-openssl-3-0-4-privodyashhaya-k-udalyonnomu-povrezhdeniyu-pamyati-proczessa","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-v-openssl-3-0-4-privodyashhaya-k-udalyonnomu-povrezhdeniyu-pamyati-proczessa","title":{"rendered":"OpenSSL 3.0.4-ben tal\u00e1lhat\u00f3 sebezhet\u0151s\u00e9g, amely a folyamat t\u00e1voli mem\u00f3riak\u00e1rosod\u00e1s\u00e1t okozza.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Az OpenSSL kriptogr\u00e1fiai k\u00f6nyvt\u00e1r\u00e1ban egy s\u00e9r\u00fcl\u00e9kenys\u00e9get fedeztek fel (CVE m\u00e9g nincs kijel\u00f6lve), amely lehet\u0151v\u00e9 teszi, hogy egy t\u00e1voli t\u00e1mad\u00f3 a TLS-csatlakoz\u00e1s sor\u00e1n speci\u00e1lisan form\u00e1zott adatok k\u00fcld\u00e9s\u00e9vel k\u00e1ros\u00edtsa a folyamat mem\u00f3ri\u00e1j\u00e1nak tartalm\u00e1t. Jelenleg nem vil\u00e1gos, hogy a probl\u00e9ma k\u00f3d v\u00e9grehajt\u00e1s\u00e1hoz \u00e9s adatsziv\u00e1rg\u00e1shoz vezet-e a folyamat mem\u00f3ri\u00e1j\u00e1b\u00f3l, vagy csak a le\u00e1ll\u00e1s\u00e1hoz korl\u00e1toz\u00f3dik. <\/p>\n

A s\u00e9r\u00fcl\u00e9kenys\u00e9g az OpenSSL 3.0.4-es kiad\u00e1s\u00e1ban jelentkezik, amelyet j\u00fanius 21-\u00e9n tettek k\u00f6zz\u00e9, \u00e9s egy hiba rossz jav\u00edt\u00e1sa okozza a k\u00f3dban, amely lehet\u0151v\u00e9 teszi, hogy legfeljebb 8192 b\u00e1jt adatot \u00edrjanak vagy olvassanak a kiosztott puffer hat\u00e1rain k\u00edv\u00fcl. A s\u00e9r\u00fcl\u00e9kenys\u00e9g kihaszn\u00e1l\u00e1sa csak x86_64 architekt\u00far\u00e1j\u00fa, AVX512 utas\u00edt\u00e1sokat t\u00e1mogat\u00f3 rendszereken lehets\u00e9ges. <\/p>\n

Az OpenSSL olyan el\u00e1gaz\u00e1sai, mint a BoringSSL \u00e9s a LibreSSL, valamint az OpenSSL 1.1.1 \u00e1ga nincs kit\u00e9ve a probl\u00e9m\u00e1nak. A jav\u00edt\u00e1s jelenleg csak folt form\u00e1j\u00e1ban \u00e9rhet\u0151 el. A legrosszabb forgat\u00f3k\u00f6nyvben a probl\u00e9ma vesz\u00e9lyesebb lehet, mint a Heartbleed s\u00e9r\u00fcl\u00e9kenys\u00e9g, de a fenyeget\u00e9s szintj\u00e9t cs\u00f6kkenti, hogy a s\u00e9r\u00fcl\u00e9kenys\u00e9g csak az OpenSSL 3.0.4 kiad\u00e1s\u00e1ban jelentkezik, m\u00edg sok disztrib\u00faci\u00f3 alap\u00e9rtelmezetten a 1.1.1 \u00e1gat sz\u00e1ll\u00edtja, vagy m\u00e9g nem alak\u00edtott\u00e1k ki a 3.0.4-es verzi\u00f3j\u00fa csomagfriss\u00edt\u00e9seket.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 OpenSSL \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE \u043f\u043e\u043a\u0430 \u043d\u0435 \u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d), \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u044b\u0439 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0432\u0440\u0435\u0434\u0438\u0442\u044c \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0439 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\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 OpenSSL 3.0.4, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0430\u044f \u043a \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u043c\u0443 \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044e \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 | ProHoster","og:description":"\u0412 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 OpenSSL \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE \u043f\u043e\u043a\u0430 \u043d\u0435 \u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d), \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 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