{"id":101557,"date":"2021-10-06T22:22:46","date_gmt":"2021-10-06T20:22:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-apache-openoffice-4-1-11"},"modified":"2021-10-06T22:22:46","modified_gmt":"2021-10-06T20:22:46","slug":"vypusk-apache-openoffice-4-1-11","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/vypusk-apache-openoffice-4-1-11","title":{"rendered":"Lansarea Apache OpenOffice 4.1.11","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dup\u0103 cinci luni de dezvoltare \u0219i \u0219apte ani \u0219i jum\u0103tate de la ultima lansare semnificativ\u0103, a fost creat\u0103 o versiune corectiv\u0103 a pachetului de birou Apache OpenOffice 4.1.11, care ofer\u0103 12 remedieri. Pachetele sunt disponibile pentru Linux, Windows \u0219i macOS.    <\/p>\n<p>\u00cen noua versiune au fost remediate trei vulnerabilit\u0103\u021bi:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2021-33035 \u2014 permite executarea de cod prin deschiderea unui fi\u0219ier DBF special conceput. Problema este cauzat\u0103 de faptul c\u0103, la alocarea memoriei, OpenOffice se baza pe valorile fieldLength \u0219i fieldType din antetul fi\u0219ierelor DBF, f\u0103r\u0103 a verifica coresponden\u021ba cu tipul real de date din c\u00e2mpuri. Pentru a efectua un atac, se poate specifica \u00een valoarea fieldType tipul INTEGER, dar se pot plasa date de dimensiuni mai mari \u0219i se poate seta o valoare fieldLength care nu corespunde dimensiunii datelor de tip INTEGER, ceea ce va conduce la scrierea unei sec\u021biuni de date din c\u00e2mp dincolo de bufferul alocat. Ca rezultat al unei supraumpleri controlate a bufferului, se poate suprascrie pointer-ul de retur dintr-o func\u021bie \u0219i, folosind tehnici de programare orientate spre retur (ROP \u2014 Return-Oriented Programming), se poate realiza executarea propriului cod.\n<li class=\"l\"> CVE-2021-40439 \u2014 atac DoS de tip \u201eBillion laughs\u201d (bomb\u0103 XML), care duce la epuizarea resurselor disponibile ale sistemului \u00een timpul proces\u0103rii unui document special conceput.\n<li class=\"l\"> CVE-2021-28129 \u2014 con\u021binutul pachetului DEB era instalat \u00een sistem f\u0103r\u0103 utilizatorul root.    <\/ul>\n<p>Modific\u0103ri nelegate de securitate:  <\/p>\n<ul>\n<li class=\"l\"> Dimensiunea fontului \u00een texte a fost m\u0103rit\u0103 \u00een sec\u021biunea de ajutor.\n<li class=\"l\"> \u00cen meniul Insert a fost ad\u0103ugat un element pentru gestionarea efectelor fonturilor Fontwork.\n<li class=\"l\"> \u00cen meniul File a fost ad\u0103ugat\u0103 pictograma lips\u0103 pentru func\u021bia de export \u00een PDF.\n<li class=\"l\"> A fost rezolvat\u0103 problema pierderii diagramelor la salvarea \u00een format ODS.\n<li class=\"l\"> A fost rezolvat\u0103 problema bloc\u0103rii unor func\u021bii utile prin intermediul dialogului de confirmare a opera\u021biei, ad\u0103ugat \u00een ultima versiune (de exemplu, dialogul ap\u0103rea la trimiterea unui link c\u0103tre o sec\u021biune din acela\u0219i document).        <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55930\">opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u043f\u044f\u0442\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438 \u0441\u0435\u043c\u0438 \u0441 \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u043e\u0439 \u043b\u0435\u0442 \u0441 \u043c\u043e\u043c\u0435\u043d\u0442\u0430 \u043f\u0440\u043e\u0448\u043b\u043e\u0433\u043e \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0440\u0435\u043b\u0438\u0437 \u043e\u0444\u0438\u0441\u043d\u043e\u0433\u043e \u043f\u0430\u043a\u0435\u0442\u0430 Apache OpenOffice 4.1.11, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043e 12 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439. \u0413\u043e\u0442\u043e\u0432\u044b\u0435 \u043f\u0430\u043a\u0435\u0442\u044b \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u044b \u0434\u043b\u044f Linux, Windows \u0438 macOS. \u0412 \u043d\u043e\u0432\u043e\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u0435 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0442\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438: CVE-2021-33035 &#8212; \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u043f\u0440\u0438 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0444\u0430\u0439\u043b\u0430 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 DBF. [&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-101557","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 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u043f\u044f\u0442\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438 \u0441\u0435\u043c\u0438 \u0441 \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u043e\u0439 \u043b\u0435\u0442 \u0441 \u043c\u043e\u043c\u0435\u043d\u0442\u0430 \u043f\u0440\u043e\u0448\u043b\u043e\u0433\u043e \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 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