{"id":170415,"date":"2026-05-05T12:24:56","date_gmt":"2026-05-05T10:24:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-apache-httpd-2-4-67-ustranena-uyazvimost-v-http-2-ne-isklyuchayushhaya-udalyonnoe-vypolnenie-koda"},"modified":"2026-05-05T12:24:56","modified_gmt":"2026-05-05T10:24:56","slug":"v-apache-httpd-2-4-67-ustranena-uyazvimost-v-http-2-ne-isklyuchayushhaya-udalyonnoe-vypolnenie-koda","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/v-apache-httpd-2-4-67-ustranena-uyazvimost-v-http-2-ne-isklyuchayushhaya-udalyonnoe-vypolnenie-koda","title":{"rendered":"V Apache httpd 2.4.67 byla odstran\u011bna zranitelnost v HTTP\/2, kter\u00e1 nevyj\u00edmaje mo\u017enost vzd\u00e1len\u00e9ho vykon\u00e1n\u00ed k\u00f3du","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byla p\u0159edstavena verze HTTP serveru Apache 2.4.67, kter\u00e1 opravila 11 zranitelnost\u00ed a obsahuje n\u011bkolik dal\u0161\u00edch oprav. Nejv\u00e1\u017en\u011bj\u0161\u00ed zranitelnost\u00ed (CVE-2026-23918) je dvojit\u00e9 uvoln\u011bn\u00ed pam\u011bti v modulu mod_http2, kter\u00e9 m\u016f\u017ee potenci\u00e1ln\u011b v\u00e9st k d\u00e1lkov\u00e9mu proveden\u00ed k\u00f3du na serveru prost\u0159ednictv\u00edm manipulace s protokolem HTTP\/2. Tato zranitelnost se projevuje pouze ve verzi 2.4.66. Probl\u00e9m byl ohodnocen \u00farovn\u00ed nebezpe\u010dnosti 8.8 z 10.    <\/p>\n<p>Dal\u0161\u00ed zranitelnost (CVE-2026-24072) s \u00farovn\u00ed nebezpe\u010dnosti 8.8 se nach\u00e1z\u00ed v modulu mod_rewrite a umo\u017e\u0148uje m\u00edstn\u00edm u\u017eivatel\u016fm <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/\" title=\"hostingu\" data-wpil-keyword-link=\"linked\">hostingu<\/a>, kter\u00fd m\u00e1 opr\u00e1vn\u011bn\u00ed vytv\u00e1\u0159et soubory &#171;.htaccess&#187;, m\u016f\u017ee \u010d\u00edst obsah jak\u00fdchkoli soubor\u016f v syst\u00e9mu s privilegii u\u017eivatele, pod n\u00edm\u017e je spu\u0161t\u011bn proces httpd.        <\/p>\n<p>M\u00e9n\u011b nebezpe\u010dn\u00e9 zranitelnosti:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2026-28780 &#8212; p\u0159ete\u010den\u00ed bufferu v mod_proxy_ajp, kter\u00e9 m\u016f\u017ee b\u00fdt zneu\u017eito p\u0159i p\u0159ipojen\u00ed proxy k \u0161kodliv\u00e9mu AJP serveru. Pomoc\u00ed speci\u00e1ln\u011b form\u00e1tovan\u00fdch AJP zpr\u00e1v (Apache JServ Protocol) lze zp\u016fsobit z\u00e1pis 4 byt\u016f za hranice vyhrazen\u00e9ho bufferu.\n<li class=\"l\"> CVE-2026-33523 &#8212; mo\u017enost proveden\u00ed \u00fato\u010dn\u00e9 metody d\u011blen\u00ed odpov\u011bd\u00ed HTTP na syst\u00e9mech frontend-backend (HTTP response splitting), kter\u00e1 umo\u017e\u0148uje vlo\u017een\u00ed dodate\u010dn\u00fdch hlavi\u010dek odpov\u011bdi nebo rozd\u011blen\u00ed odpov\u011bd\u00ed, aby se infiltrace do obsahu odpov\u011bd\u00ed jin\u00fdch u\u017eivatel\u016f, kter\u00e9 se zpracov\u00e1vaj\u00ed ve stejn\u00e9m vl\u00e1knu mezi frontendem a backendem.\n<li class=\"l\"> CVE-2026-33006 &#8212; \u00fatok p\u0159es extern\u00ed kan\u00e1ly (anal\u00fdza zpo\u017ed\u011bn\u00ed) na mod_auth_digest, kter\u00fd umo\u017e\u0148uje obej\u00edt Digest autentizaci.\n<li class=\"l\"> CVE-2026-29168 &#8212; nedostate\u010dn\u00e9 omezen\u00ed vyhrazen\u00fdch prost\u0159edk\u016f p\u0159i zpracov\u00e1n\u00ed speci\u00e1ln\u011b form\u00e1tovan\u00e9 odpov\u011bdi OCSP v mod_md.\n<li class=\"l\"> CVE-2026-29169 &#8212; dereference nulov\u00e9ho ukazatele v modulu mod_dav_lock, kter\u00e9 m\u016f\u017ee b\u00fdt pou\u017eito k vyvol\u00e1n\u00ed hav\u00e1rie procesu serveru.\n<li class=\"l\"> CVE-2026-33007 &#8212; dereference nulov\u00e9ho ukazatele v modulu mod_authn_socache, kter\u00e9 m\u016f\u017ee b\u00fdt pou\u017eito k vyvol\u00e1n\u00ed hav\u00e1rie podprocesu v konfigurac\u00edch s cachuj\u00edc\u00edm proxy.\n<li class=\"l\"> CVE-2026-33857 &#8212; \u010dten\u00ed jednoho bytu z pam\u011bti mimo vyhrazen\u00fd buffer v modulu mod_proxy_ajp.\n<li class=\"l\"> CVE-2026-34032 &#8212; \u010dten\u00ed dat z pam\u011bti mimo vyhrazen\u00fd buffer kv\u016fli absenci kontroly na termin\u00e1ln\u00ed nulov\u00fd znak v mod_proxy_ajp.\n<li class=\"l\"> CVE-2026-34059 &#8212; \u00fanik obsahu pam\u011bti v mod_proxy_ajp.    <\/ul>\n<p>D\u00e1le byl v nov\u00e9 verzi odstran\u011bn problematick\u00fd k\u00f3d souvisej\u00edc\u00ed se zabezpe\u010den\u00edm v mod_http2 a mod_md a byly p\u0159id\u00e1ny nov\u00e9 MIME typy do souboru conf\/mime.types: vnd.sqlite3, HEIC, HEIF.<br \/>\n<br \/>Zdroj: <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65361\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 HTTP-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 Apache 2.4.67, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 11 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0438 \u0432\u043d\u0435\u0441\u0435\u043d\u043e \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439. \u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043e\u043f\u0430\u0441\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2026-23918) \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0434\u0432\u043e\u0439\u043d\u044b\u043c \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u0435\u043c \u043f\u0430\u043c\u044f\u0442\u0438 \u0432 \u043c\u043e\u0434\u0443\u043b\u0435 mod_http2 \u0438 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u043c\u0443 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0434\u0430 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u0447\u0435\u0440\u0435\u0437 \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u044f\u0446\u0438\u0438 \u0441 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u043c HTTP\/2. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 2.4.66. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0435 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 8.8 \u0438\u0437 10. \u0415\u0449\u0451 \u043e\u0434\u043d\u0430 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-170415","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\" 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