{"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\/et\/blog\/news\/reliz-http-servera-apache-2-4-53-s-ustraneniem-opasnyh-uyazvimostej","title":{"rendered":"Apache http-serveri versioon 2.4.53 on v\u00e4lja antud koos ohtlike haavatavustega parandustega.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Avaldatud on HTTP-serveri Apache 2.4.53 v\u00e4ljalase, kus on esitatud 14 muudatust ja k\u00f5rvaldatud 4 haavatavust:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-22720 \u2014 v\u00f5imalus r\u00fcnnata &#171;HTTP Request Smuggling&#187; kaudu, mis v\u00f5imaldab spetsiaalselt vormistatud kliendik\u00fcsimuste saatmise kaudu segada teiste kasutajate p\u00e4ringutesse, mis edastatakse mod_proxy kaudu (nt v\u00f5ib saavutada pahatahtliku JavaScripti koodi sisestamise teise kasutaja sessiooni). Probleem on tingitud sissetulevate \u00fchenduste avatud j\u00e4tmisest p\u00e4rast vigade tekkimist vale p\u00e4ringu keha t\u00f6\u00f6tlemisel.\n<li class=\"l\"> CVE-2022-23943 \u2014 p\u00fcsim\u00e4lu \u00fclevool mod_sed moodulis, mis v\u00f5imaldab r\u00fcndajal kirjutada m\u00e4lu sisu kasulike andmetega.\n<li class=\"l\"> CVE-2022-22721 \u2014 v\u00f5imalus kirjutada m\u00e4lu v\u00e4lja buffri piiridest, mis tuleneb t\u00e4isarvu \u00fclevoolust, mis tekkib, kui saadetakse \u00fcle 350 MB suurune p\u00e4ring. Probleem avaldub 32-bitistel s\u00fcsteemidel, mille seadistustes on m\u00e4\u00e4ratud liiga suur v\u00e4\u00e4rtus LimitXMLRequestBody (vaikimisi 1 MB, r\u00fcnnaku jaoks peab piir olema \u00fcle 350 MB).\n<li class=\"l\"> CVE-2022-22719 \u2014 haavatavus mod_lua moodulis, mis v\u00f5imaldab juhuslike m\u00e4lukohtade lugemist ja protsesside kokkuvarisemist spetsiaalselt vormistatud p\u00e4ringu keha t\u00f6\u00f6tlemisel. Probleem tuleneb initsialiseerimata v\u00e4\u00e4rtuste kasutamisest r:parsebody funktsiooni koodis.    <\/ul>\n<p>K\u00f5ige m\u00e4rgatavamad mitteohutusega seotud muudatused:  <\/p>\n<ul>\n<li class=\"l\"> Mod_proxy-s on suurendatud t\u00f6\u00f6tleja (worker) nime s\u00fcmbolite arvu limiiti. Lisatud on v\u00f5imalus valida b\u00e4nni ja frontendi aegumiste seadistamine (n\u00e4iteks t\u00f6\u00f6tleja seostamiseks). Websocketide kaudu saadetud p\u00e4ringute v\u00f5i CONNECT meetodi jaoks on aegumise aega muudetud maksimaalseks v\u00e4\u00e4rtuseks, mis on seatud b\u00e4nni ja frontendi jaoks.\n<li class=\"l\"> DBM-failide avamise ja DBM-juhtme laadimise t\u00f6\u00f6tlemine on lahutatud. Logis kuvatakse n\u00fc\u00fcd t\u00f5rke ja juhi kohta \u00fcksikasjalikumat teavet.\n<li class=\"l\"> Mod_md-s l\u00f5petatakse p\u00e4ringute t\u00f6\u00f6tlemine \\\/.well-known\\\/acme-challenge\\\/ jaoks, kui seadistustes <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/domain\/\"   title=\"domeen\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4146\">domeen<\/a> selges\u00f5naliselt ei ole lubatud kasutada &#8216;http-01. t\u00fc\u00fcbi kontrollimist.\n<li class=\"l\"> Mod_dav-s on k\u00f5rvaldatud tagasiulatuv muudatus, mis p\u00f5hjustas m\u00e4lukasutuse suurenemist suure arvu ressursside t\u00f6\u00f6tlemisel.\n<li class=\"l\"> Lisatud on v\u00f5imalus kasutada pcre2 (10.x) raamatukogu regulaaravaldiste t\u00f6\u00f6tlemiseks pcre (8.x) asemel.\n<li class=\"l\"> P\u00e4ringute filtritesse on lisatud anomaaliate anal\u00fc\u00fcsi tugi LDAP-protokolli jaoks, et tagada andmete korrektne varjamine LDAP-mustreid kasutavate r\u00fcnnakute korral.\n<li class=\"l\"> mpm_eventis on k\u00f5rvaldatud omavahelised ummikud, mis tekkisid teenuse taask\u00e4ivitamisel v\u00f5i MaxConnectionsPerChild piirangute \u00fcletamisel suure t\u00f6\u00f6tlemise koormusega s\u00fcsteemides.      <\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56854\">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 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 5.0.1.1 - 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