{"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\/da\/blog\/news\/reliz-http-servera-apache-2-4-53-s-ustraneniem-opasnyh-uyazvimostej","title":{"rendered":"Udgivelse af http-serveren Apache 2.4.53 med reparation af kritiske s\u00e5rbarheder.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Udgivelsen af HTTP-serveren Apache 2.4.53 er offentliggjort, som indeholder 14 \u00e6ndringer og reparation af 4 s\u00e5rbarheder:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-22720 \u2014 muligheden for at udf\u00f8re et 'HTTP Request Smuggling'-angreb, der g\u00f8r det muligt at indlejre indholdet af anmodninger fra andre brugere ved at sende specielt udformede klientanmodninger gennem mod_proxy (for eksempel kan det opn\u00e5s, at skadelig JavaScript-kode inds\u00e6ttes i en anden brugers session p\u00e5 hjemmesiden). Problemet skyldes, at indg\u00e5ende forbindelser efterlades \u00e5bne efter, at der opst\u00e5r fejl under behandlingen af et ugyldigt anmodningslegeme.\n<li class=\"l\"> CVE-2022-23943 \u2014 buffer overflow i modulet mod_sed, som muligg\u00f8r overskrivning af hukommelsens indhold med data, der kontrolleres af angriberen.\n<li class=\"l\"> CVE-2022-22721 \u2014 mulighed for at skrive uden for bufferet p\u00e5 grund af et heltals overflow, der opst\u00e5r ved overf\u00f8rsel af et anmodningslegeme st\u00f8rre end 350 MB. Problemet opst\u00e5r p\u00e5 32-bit systemer, hvor indstillingen for LimitXMLRequestBody er sat for h\u00f8jt (standard er 1 MB, for at et angreb kan finde sted, skal gr\u00e6nsen v\u00e6re over 350 MB).\n<li class=\"l\"> CVE-2022-22719 \u2014 en s\u00e5rbarhed i mod_lua, der muligg\u00f8r l\u00e6sning af tilf\u00e6ldige hukommelsesomr\u00e5der og \u00e5rsager til procesnedbrud ved behandling af et specielt udformet anmodningslegeme. Problemet skyldes brugen af ikke-initialiserede v\u00e6rdier i koden for funktionen r:parsebody.    <\/ul>\n<p>De mest markante \u00e6ndringer, der ikke vedr\u00f8rer sikkerhed:  <\/p>\n<ul>\n<li class=\"l\"> I mod_proxy er gr\u00e6nsen for antallet af tegn i handlerens navn (worker) blevet h\u00e6vet. Der er tilf\u00f8jet mulighed for selektiv indstilling af timeout for backend og frontend (f.eks. bundet til en worker). For anmodninger sendt via websockets eller CONNECT-metoden er timeouten \u00e6ndret til den maksimale v\u00e6rdi, der er indstillet for backend og frontend.\n<li class=\"l\"> Behandlingen af \u00e5bning af DBM-filer og indl\u00e6sning af DBM-driver er blevet adskilt. Ved fejl i loggen vises nu mere detaljerede oplysninger om fejlen og driveren.\n<li class=\"l\"> I mod_md er behandlingen af anmodninger til \/.well-known\/acme-challenge\/ stoppet, medmindre indstillingen <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/domain\/\"   title=\"dom\u00e6net\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4146\">dom\u00e6net<\/a> brugen af kontroltypen 'http-01' er eksplicit ikke aktiveret.\n<li class=\"l\"> I mod_dav er et regressionsproblem l\u00f8st, der f\u00f8rte til h\u00f8jt hukommelsesforbrug ved behandling af et stort antal ressourcer.\n<li class=\"l\"> Muligheden for at bruge biblioteket pcre2 (10.x) i stedet for pcre (8.x) til behandling af regul\u00e6re udtryk er blevet tilf\u00f8jet.\n<li class=\"l\"> Der er tilf\u00f8jet st\u00f8tte til anomalianalyse for LDAP-protokollen i foresp\u00f8rgselsfiltrene for korrekt at undg\u00e5 data ved fors\u00f8g p\u00e5 LDAP-injection-angreb.\n<li class=\"l\"> Der er l\u00f8st et problem med d\u00f8dl\u00e5s i mpm_event, der opstod under genstart eller n\u00e5r gr\u00e6nsen for MaxConnectionsPerChild overskredes p\u00e5 h\u00f8jbelastede systemer.      <\/ul>\n<p>Kilde: <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 5.0.3 - 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