{"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\/hu\/blog\/news\/v-proksi-servere-squid-vyyavleno-55-uyazvimostej-35-iz-kotoryh-poka-ne-ispravleny","title":{"rendered":"A Squid proxy szerver\u00e9ben 55 sebezhet\u0151s\u00e9get fedeztek fel, amelyek k\u00f6z\u00fcl 35 m\u00e9g nem lett jav\u00edtva.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Megjelent a 2021-ben v\u00e9gzett ny\u00edlt Squid gyors\u00edt\u00f3t\u00e1raz\u00f3 proxy szerver biztons\u00e1gi auditj\u00e1nak f\u00fcggetlen eredm\u00e9nye. A projekt k\u00f3dalapj\u00e1nak ellen\u0151rz\u00e9se sor\u00e1n 55 sebezhet\u0151s\u00e9get t\u00e1rt fel, amelyek k\u00f6z\u00fcl jelenleg 35 probl\u00e9m\u00e1t m\u00e9g nem jav\u00edtottak ki a fejleszt\u0151k (0-day). A Squid fejleszt\u0151it m\u00e9g k\u00e9t \u00e9s f\u00e9l \u00e9vvel ezel\u0151tt \u00e9rtes\u00edtett\u00e9k a probl\u00e9m\u00e1kr\u00f3l, de a jav\u00edt\u00e1sok v\u00e9grehajt\u00e1s\u00e1val nem eg\u00e9sz\u00edtett\u00e9k ki a munk\u00e1t. V\u00e9g\u00fcl az audit szerz\u0151je \u00fagy d\u00f6nt\u00f6tt, hogy az \u00f6sszes probl\u00e9ma jav\u00edt\u00e1sa el\u0151tt nyilv\u00e1noss\u00e1gra hozza az inform\u00e1ci\u00f3t, \u00e9s err\u0151l el\u0151zetesen \u00e9rtes\u00edtette a Squid fejleszt\u0151it.  <\/p>\n<p>Az azonos\u00edtott sebezhet\u0151s\u00e9gek k\u00f6z\u00fcl:  <\/p>\n<ul>\n<li class=\"l\"> Veremel\u00e9si hiba a hash-alap\u00fa hiteles\u00edt\u00e9s megval\u00f3s\u00edt\u00e1s\u00e1ban (Digest Authentication), amely a Proxy-Authorization HTTP-fejl\u00e9c \"Digest nc\" mez\u0151j\u00e9nek t\u00fal nagy \u00e9rt\u00e9k\u00e9nek feldolgoz\u00e1sakor jelentkezik.\n<li class=\"l\"> Mem\u00f3ria el\u00e9r\u00e9si hiba a TRACE m\u00f3dszerrel v\u00e9gzett k\u00e9r\u00e9sek kezel\u0151j\u00e9ben.\n<li class=\"l\"> Mem\u00f3ri\u00e1hoz val\u00f3 hozz\u00e1f\u00e9r\u00e9s felszabad\u00edt\u00e1sa ut\u00e1n a HTTP-k\u00e9r\u00e9sek \"Range\" fejl\u00e9c\u00e9nek feldolgoz\u00e1sa sor\u00e1n (CVE-2021-31807).\n<li class=\"l\"> Verem t\u00falcsordul\u00e1s az X-Forwarded-For HTTP fejl\u00e9c feldolgoz\u00e1sa sor\u00e1n.\n<li class=\"l\"> Verem t\u00falcsordul\u00e1s chunked k\u00e9r\u00e9sek feldolgoz\u00e1sa sor\u00e1n.\n<li class=\"l\"> Mem\u00f3ria el\u00e9r\u00e9si hiba a CacheManager webes fel\u00fclet\u00e9n.\n<li class=\"l\"> Eg\u00e9sz sz\u00e1m\u00fa t\u00falcsordul\u00e1s a Range HTTP fejl\u00e9c kezel\u0151j\u00e9ben (CVE-2021-31808).\n<li class=\"l\"> Mem\u00f3ria el\u00e9r\u00e9si hiba \u00e9s puffer t\u00falcsordul\u00e1s az ESI (Edge Side Includes) kifejez\u00e9skezel\u0151j\u00e9ben.\n<li class=\"l\"> T\u00f6bb mem\u00f3ria sziv\u00e1rg\u00e1s, puffer t\u00fall\u00e9p\u00e9sek olvas\u00e1s k\u00f6zben, valamint probl\u00e9m\u00e1k, amelyek \u00f6sszeoml\u00e1st okoznak.  <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59915\">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\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 5.0.3 - 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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