{"id":99182,"date":"2021-02-17T22:22:46","date_gmt":"2021-02-17T20:22:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-openssl-1-1-1j-wolfssl-4-7-0-i-libressl-3-2-4"},"modified":"2021-02-17T22:22:46","modified_gmt":"2021-02-17T20:22:46","slug":"obnovlenie-openssl-1-1-1j-wolfssl-4-7-0-i-libressl-3-2-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/obnovlenie-openssl-1-1-1j-wolfssl-4-7-0-i-libressl-3-2-4","title":{"rendered":"Aktualizacja OpenSSL 1.1.1j, wolfSSL 4.7.0 i LibreSSL 3.2.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Opublikowano poprawk\u0119 biblioteki kryptograficznej OpenSSL 1.1.1j, kt\u00f3ra usuwa dwie podatno\u015bci:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2021-23841 \u2014 dereferencja wska\u017anika zerowego w funkcji X509_issuer_and_serial_hash(), co mo\u017ce prowadzi\u0107 do awarii aplikacji, kt\u00f3re wywo\u0142uj\u0105 t\u0119 funkcj\u0119 do przetwarzania certyfikat\u00f3w X509 z nieprawid\u0142ow\u0105 warto\u015bci\u0105 w polu issuer.\n<li class=\"l\"> CVE-2021-23840 \u2014 przepe\u0142nienie ca\u0142kowite w funkcjach EVP_CipherUpdate, EVP_EncryptUpdate i EVP_DecryptUpdate, co mo\u017ce skutkowa\u0107 zwr\u00f3ceniem warto\u015bci 1, co oznacza pomy\u015blne wykonanie operacji oraz ustawieniem warto\u015bci ujemnej z rozmiarem, co mo\u017ce prowadzi\u0107 do awarii aplikacji lub zak\u0142\u00f3cenia normalnego dzia\u0142ania.\n<li class=\"l\"> CVE-2021-23839 \u2014 niedoci\u0105gni\u0119cie w implementacji ochrony przed powrotem do u\u017cycia protoko\u0142u SSLv2. Objawia si\u0119 jedynie w starszej ga\u0142\u0119zi 1.0.2.      <\/ul>\n<p>Opublikowano r\u00f3wnie\u017c wydanie pakietu LibreSSL 3.2.4, w ramach kt\u00f3rego projekt OpenBSD rozwija fork OpenSSL, maj\u0105cy na celu zapewnienie wy\u017cszego poziomu bezpiecze\u0144stwa. Wydanie to charakteryzuje si\u0119 powrotem do starego kodu weryfikacji certyfikat\u00f3w, u\u017cywanego w LibreSSL 3.1.x, z powodu zak\u0142\u00f3ce\u0144 w dzia\u0142aniu niekt\u00f3rych aplikacji z powod\u00f3w obja\u015bniaj\u0105cych b\u0142\u0119dy w starym kodzie. Wprowadzono nowe elementy w TLSv1.3, takie jak komponenty exporter i autochain.    <\/p>\n<p>Ponadto, wydano now\u0105 wersj\u0119 kompaktnej biblioteki kryptograficznej wolfSSL 4.7.0, zoptymalizowanej do u\u017cytku na urz\u0105dzeniach wbudowanych z ograniczonymi zasobami procesora i pami\u0119ci, takich jak urz\u0105dzenia Internetu Rzeczy, systemy inteligentnego domu, systemy informacyjne w samochodach, routery i telefony kom\u00f3rkowe. Kod napisano w j\u0119zyku C i jest dystrybuowany na licencji GPLv2.      <\/p>\n<p>Nowa wersja wprowadza wsparcie dla RFC 5705 (Keying Material Exporters for TLS) oraz S\/MIME (Secure\/Multipurpose Internet Mail Extensions). Dodano flag\u0119 \u2014enable-reproducible-build dla zapewnienia powtarzalnych kompilacji. Do warstwy zapewniaj\u0105cej zgodno\u015b\u0107 z OpenSSL dodano API SSL_get_verify_mode, API X509_VERIFY_PARAM i X509_STORE_CTX. Wprowadzono makro WOLFSSL_PSK_IDENTITY_ALERT. Dodano now\u0105 funkcj\u0119 _CTX_NoTicketTLSv12 s\u0142u\u017c\u0105c\u0105 do wy\u0142\u0105czenia bilet\u00f3w sesyjnych TLS 1.2 przy jednoczesnym ich zachowaniu dla TLS 1.3.<br \/>\n<br \/>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=54601\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \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\u0438 OpenSSL 1.1.1j, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438: CVE-2021-23841 &#8212; \u0440\u0430\u0437\u044b\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u043d\u0443\u043b\u0435\u0432\u043e\u0433\u043e \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f \u0432 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 X509_issuer_and_serial_hash(), \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u043a\u0440\u0430\u0445\u0443 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u0432\u044b\u0437\u044b\u0432\u0430\u044e\u0449\u0438\u0445 \u0434\u0430\u043d\u043d\u0443\u044e \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u0434\u043b\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0432 X509 \u0441 \u043d\u0435\u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u044b\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c \u0432 \u043f\u043e\u043b\u0435 issuer. CVE-2021-23840 &#8212; \u0446\u0435\u043b\u043e\u0447\u0438\u0441\u043b\u0435\u043d\u043d\u043e\u0435 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0432 \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u0445 EVP_CipherUpdate, EVP_EncryptUpdate \u0438 EVP_DecryptUpdate, \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u043c \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0432\u043e\u0437\u0432\u0440\u0430\u0442 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f [&hellip;]<\/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-99182","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - 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