{"id":103543,"date":"2022-03-15T09:37:16","date_gmt":"2022-03-15T07:37:16","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-http-servera-apache-2-4-53-s-ustraneniem-opasnyh-uyazvimostej"},"modified":"2022-03-15T09:37:16","modified_gmt":"2022-03-15T07:37:16","slug":"reliz-http-servera-apache-2-4-53-s-ustraneniem-opasnyh-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/reliz-http-servera-apache-2-4-53-s-ustraneniem-opasnyh-uyazvimostej","title":{"rendered":"Lansarea serverului http Apache 2.4.53 cu remedierea vulnerabilit\u0103\u021bilor critice","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A fost publicat release-ul serverului HTTP Apache 2.4.53, care aduce 14 modific\u0103ri \u0219i remediaz\u0103 4 vulnerabilit\u0103\u021bi:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-22720 \u2014 posibilitatea de a efectua un atac \u00abHTTP Request Smuggling\u00bb, care permite, prin trimiterea unor cereri client personalizate, s\u0103 se intercaleze \u00een con\u021binutul cererilor altor utilizatori, transmise prin mod_proxy (de exemplu, se poate ob\u021bine inserarea de cod JavaScript mali\u021bios \u00een sesiunea unui alt utilizator al site-ului). Problema este cauzat\u0103 de l\u0103sarea conexiunilor de intrare deschise dup\u0103 apari\u021bia unor erori \u00een procesarea unui corp de cerere incorect.\n<li class=\"l\"> CVE-2022-23943 \u2014 dep\u0103\u0219irea buffer-ului \u00een modulul mod_sed, permi\u021b\u00e2nd rescrierea con\u021binutului memoriei heap cu date controlate de atacator.\n<li class=\"l\"> CVE-2022-22721 \u2014 posibilitatea de a scrie dincolo de buffer din cauza unei dep\u0103\u0219iri de integer care apare atunci c\u00e2nd se trimite un corp de cerere mai mare de 350 MB. Problema se manifest\u0103 pe sistemele de 32 de bi\u021bi \u00een care setarea LimitXMLRequestBody este prea mare (implicit 1 MB, pentru atac limita trebuie s\u0103 fie peste 350 MB).\n<li class=\"l\"> CVE-2022-22719 \u2014 vulnerabilitate \u00een mod_lua, care permite citirea unor zone aleatorii din memorie \u0219i blocarea procesului \u00een timpul proces\u0103rii unui corp de cerere personalizat. Problema este cauzat\u0103 de utilizarea unor valori neini\u021bializate \u00een codul func\u021biei r:parsebody.    <\/ul>\n<p>Cele mai notabile modific\u0103ri, nelegate de securitate:  <\/p>\n<ul>\n<li class=\"l\"> \u00cen mod_proxy, a fost crescut limita de caractere pentru numele handler-ului (worker). A fost ad\u0103ugat\u0103 posibilitatea de configurare selectiv\u0103 a timeout-urilor pentru backend \u0219i frontend (de exemplu, asociate cu worker-ul). Pentru cererile transmise prin websockets sau metoda CONNECT, timpul de timeout a fost setat la valoarea maxim\u0103 stabilit\u0103 pentru backend \u0219i frontend.\n<li class=\"l\"> A fost separat\u0103 procesarea deschiderii fi\u0219ierelor DBM \u0219i \u00eenc\u0103rcarea driverului DBM. \u00cen caz de eroare \u00een log, acum sunt afi\u0219ate informa\u021bii mai detaliate despre eroare \u0219i driver.\n<li class=\"l\"> \u00cen mod_md, a fost oprit\u0103 procesarea cererilor c\u0103tre \\.well-known\\\/acme-challenge\\\/, dac\u0103 \u00een set\u0103rile <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/domain\/\"   title=\"domeniu\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4146\">domeniu<\/a> explicit nu este inclus\u0103 utilizarea tipului de verificare \u2018http-01.\n<li class=\"l\"> \u00cen mod_dav a fost eliminat\u0103 modificarea regresiv\u0103 care ducea la un consum mare de memorie \u00een procesarea unui num\u0103r mare de resurse.\n<li class=\"l\"> A fost ad\u0103ugat\u0103 posibilitatea de a utiliza biblioteca pcre2 (10.x) \u00een loc de pcre (8.x) pentru procesarea expresiilor regulate.\n<li class=\"l\"> Filtrele solicit\u0103rilor a fost ad\u0103ugat\u0103 suportul pentru analiza anomaliilor pentru protocolul LDAP pentru a caracteriza corect datele \u00een cazul \u00eencerc\u0103rilor de atac prin substituirea construc\u021biilor LDAP.\n<li class=\"l\"> \u00cen mpm_event a fost eliminat\u0103 blocarea mutual\u0103 care ap\u0103rea \u00een timpul repornirii sau dep\u0103\u0219irii limitei MaxConnectionsPerChild pe sisteme cu \u00eenc\u0103rc\u0103turi mari.      <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56854\">opennet.ro<\/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 HTTP-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 Apache 2.4.53, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043e 14 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 4 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438: CVE-2022-22720 &#8212; \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a\u0438 &#171;HTTP Request Smuggling&#187;, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u044b\u0445 \u043a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u0438\u0445 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0432\u043a\u043b\u0438\u043d\u0438\u0432\u0430\u0442\u044c\u0441\u044f \u0432 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0434\u0440\u0443\u0433\u0438\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0445 \u0447\u0435\u0440\u0435\u0437 mod_proxy (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043c\u043e\u0436\u043d\u043e \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u043e\u0433\u043e JavaScript-\u043a\u043e\u0434\u0430 \u0432 \u0441\u0435\u0430\u043d\u0441 \u0434\u0440\u0443\u0433\u043e\u0433\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0441\u0430\u0439\u0442\u0430). \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u043c\u0438 \u0432\u0445\u043e\u0434\u044f\u0449\u0438\u0445 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439 [&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-103543","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - 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