{"id":110781,"date":"2023-10-12T15:10:52","date_gmt":"2023-10-12T13:10:52","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-proksi-servere-squid-vyyavleno-55-uyazvimostej-35-iz-kotoryh-poka-ne-ispravleny"},"modified":"2023-10-12T15:10:52","modified_gmt":"2023-10-12T13:10:52","slug":"v-proksi-servere-squid-vyyavleno-55-uyazvimostej-35-iz-kotoryh-poka-ne-ispravleny","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/v-proksi-servere-squid-vyyavleno-55-uyazvimostej-35-iz-kotoryh-poka-ne-ispravleny","title":{"rendered":"\u00cen serverul proxy Squid au fost identificate 55 de vulnerabilit\u0103\u021bi, dintre care 35 nu au fost \u00eenc\u0103 remediate.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Au fost publicate rezultatele unui audit de securitate independent al serverului proxy cache open-source Squid, efectuat \u00een 2021. \u00cen timpul verific\u0103rii bazei de cod a proiectului au fost descoperite 55 de vulnerabilit\u0103\u021bi, dintre care \u00een prezent 35 de probleme nu sunt \u00eenc\u0103 remediate de dezvoltatori (0-day). Dezvoltatorii Squid au fost informa\u021bi despre probleme acum doi ani \u0219i jum\u0103tate, dar nu au finalizat lucr\u0103rile pentru a le remedia. \u00cen cele din urm\u0103, autorul auditului a decis s\u0103 fac\u0103 informa\u021biile publice f\u0103r\u0103 a a\u0219tepta remedierea tuturor problemelor \u0219i i-a notificat \u00een prealabil pe dezvoltatorii Squid.  <\/p>\n<p>Printre vulnerabilit\u0103\u021bile identificate:  <\/p>\n<ul>\n<li class=\"l\"> Satura stivei \u00een implementarea autentific\u0103rii prin hash (Digest Authentication), care apare atunci c\u00e2nd se proceseaz\u0103 antetul HTTP Proxy-Authorization cu o valoare prea mare pentru c\u00e2mpul \u201eDigest nc\u201d.\n<li class=\"l\"> Accesarea memoriei dup\u0103 eliberarea acesteia \u00een handler-ul cererilor cu metoda TRACE.\n<li class=\"l\"> Accesarea memoriei dup\u0103 eliberarea acesteia \u00een procesarea cererilor HTTP cu antetul \u201eRange\u201d (CVE-2021-31807).\n<li class=\"l\"> Dep\u0103\u0219irea stivei la procesarea antetului HTTP X-Forwarded-For.\n<li class=\"l\"> Dep\u0103\u0219irea stivei la procesarea cererilor chunked.\n<li class=\"l\"> Accesarea memoriei dup\u0103 eliberarea acesteia \u00een interfa\u021ba web CacheManager.\n<li class=\"l\"> Dep\u0103\u0219ire \u00eentreag\u0103 \u00een handler-ul antetului HTTP Range (CVE-2021-31808).\n<li class=\"l\"> Accesarea memoriei dup\u0103 eliberarea acesteia \u0219i dep\u0103\u0219irea buffer-ului \u00een handler-ul expresiilor ESI (Edge Side Includes).\n<li class=\"l\"> Numeroase scurgeri de memorie, ie\u0219iri din limitele buffer-ului la citire \u0219i probleme care duc la bloc\u0103ri.  <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59915\">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\u044b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0433\u043e \u0430\u0443\u0434\u0438\u0442\u0430 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0433\u043e \u043a\u044d\u0448\u0438\u0440\u0443\u044e\u0449\u0435\u0433\u043e \u043f\u0440\u043e\u043a\u0441\u0438-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 Squid, \u043f\u0440\u043e\u0432\u0435\u0434\u0451\u043d\u043d\u043e\u0433\u043e \u0432 2021 \u0433\u043e\u0434\u0443. \u0412 \u0445\u043e\u0434\u0435 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u044b \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e 55 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0432 \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0435\u0435 \u0432\u0440\u0435\u043c\u044f 35 \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u043f\u043e\u043a\u0430 \u043d\u0435 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0430\u043c\u0438 (0-day). \u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 Squid \u0431\u044b\u043b\u0438 \u0443\u0432\u0435\u0434\u043e\u043c\u043b\u0435\u043d\u044b \u043e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430\u0445 \u0435\u0449\u0451 \u0434\u0432\u0430 \u0441 \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u043e\u0439 \u0433\u043e\u0434\u0430 \u043d\u0430\u0437\u0430\u0434, \u043d\u043e \u0442\u0430\u043a \u0438 \u043d\u0435 \u0437\u0430\u0432\u0435\u0440\u0448\u0438\u043b\u0438 \u0440\u0430\u0431\u043e\u0442\u0443 \u043f\u043e \u0438\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e. [&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-110781","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=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0433\u043e \u0430\u0443\u0434\u0438\u0442\u0430 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0433\u043e \u043a\u044d\u0448\u0438\u0440\u0443\u044e\u0449\u0435\u0433\u043e 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