{"id":93182,"date":"2020-09-04T07:41:58","date_gmt":"2020-09-04T05:41:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-gnupg-2-2-23-s-ustraneniem-kriticheskoj-uyazvimosti"},"modified":"2020-09-04T07:41:58","modified_gmt":"2020-09-04T05:41:58","slug":"obnovlenie-gnupg-2-2-23-s-ustraneniem-kriticheskoj-uyazvimosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/obnovlenie-gnupg-2-2-23-s-ustraneniem-kriticheskoj-uyazvimosti","title":{"rendered":"Aktualizace GnuPG 2.2.23 s opravou kritick\u00e9 zranitelnosti","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/lists.gnupg.org\/pipermail\/gnupg-announce\/2020q3\/000448.html\">Byl zve\u0159ejn\u011bn<\/a><\/noindex>  verze n\u00e1stroje  <noindex><a rel=\"nofollow\" href=\"https:\/\/gnupg.org\/\">GnuPG 2.2.23<\/a><\/noindex> (GNU Privacy Guard), kompatibiln\u00ed se standardy OpenPGP (<noindex><a rel=\"nofollow\" href=\"https:\/\/tools.ietf.org\/html\/rfc4880\">RFC-4880<\/a><\/noindex>) a S\/MIME, poskytuj\u00edc\u00ed n\u00e1stroje pro \u0161ifrov\u00e1n\u00ed dat, pr\u00e1ci s elektronick\u00fdmi podpisy, spr\u00e1vu kl\u00ed\u010d\u016f a p\u0159\u00edstup k ve\u0159ejn\u00fdm \u00falo\u017ei\u0161t\u00edm kl\u00ed\u010d\u016f. Nov\u00e1 verze odstra\u0148uje kritickou zranitelnost (<noindex><a rel=\"nofollow\" href=\"https:\/\/security-tracker.debian.org\/tracker\/CVE-2020-25125\">CVE-2020-25125<\/a><\/noindex>), kter\u00e1 se objevuje od verze 2.2.21 a je zneu\u017eiteln\u00e1 p\u0159i importu speci\u00e1ln\u011b upraven\u00e9ho kl\u00ed\u010de OpenPGP.<\/p>\n<p>Import kl\u00ed\u010de se speci\u00e1ln\u011b upraven\u00fdm velk\u00fdm seznamem AEAD algoritm\u016f m\u016f\u017ee v\u00e9st k p\u0159ete\u010den\u00ed pole a zhroucen\u00ed nebo neur\u010dit\u00e9mu chov\u00e1n\u00ed. V\u0161imn\u011bte si, \u017ee vytv\u00e1\u0159en\u00ed exploitu, kter\u00fd zp\u016fsobuje nejen zhroucen\u00ed, je slo\u017eit\u00fd \u00fakol, ale mo\u017enost to nelze vylou\u010dit. Hlavn\u00ed obt\u00ed\u017e p\u0159i v\u00fdvoji exploitu spo\u010d\u00edv\u00e1 v tom, \u017ee \u00fato\u010dn\u00edk m\u016f\u017ee ovl\u00e1dat pouze ka\u017ed\u00fd druh\u00fd bajt sekvence, zat\u00edmco prvn\u00ed bajt v\u017edy z\u00edsk\u00e1v\u00e1 hodnotu 0x04. Syst\u00e9my distribuce softwaru s ov\u011b\u0159ov\u00e1n\u00edm digit\u00e1ln\u00edmi kl\u00ed\u010di jsou mimo nebezpe\u010d\u00ed, proto\u017ee pou\u017e\u00edvaj\u00ed p\u0159eddefinovan\u00fd seznam kl\u00ed\u010d\u016f.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53655\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f GnuPG 2.2.23 (GNU Privacy Guard), \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0433\u043e \u0441\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430\u043c\u0438 OpenPGP (RFC-4880) \u0438 S\/MIME, \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0443\u0442\u0438\u043b\u0438\u0442\u044b \u0434\u043b\u044f \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445, \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u043d\u044b\u043c\u0438 \u043f\u043e\u0434\u043f\u0438\u0441\u044f\u043c\u0438, \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043a\u043b\u044e\u0447\u0430\u043c\u0438 \u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u044b\u043c \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0430\u043c \u043a\u043b\u044e\u0447\u0435\u0439. \u0412 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2020-25125), \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u044e\u0449\u0430\u044f\u0441\u044f \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u0435\u0440\u0441\u0438\u0438 2.2.21 \u0438 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u0443\u0435\u043c\u0430\u044f \u043f\u0440\u0438 \u0438\u043c\u043f\u043e\u0440\u0442\u0435 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043a\u043b\u044e\u0447\u0430 OpenPGP. \u0418\u043c\u043f\u043e\u0440\u0442 \u043a\u043b\u044e\u0447\u0430 [&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-93182","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f GnuPG.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/cs\/blog\/news\/obnovlenie-gnupg-2-2-23-s-ustraneniem-kriticheskoj-uyazvimosti\" \/>\n\t\t<meta name=\"generator\" 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