{"id":40546,"date":"2020-02-01T20:58:18","date_gmt":"2020-02-01T17:58:18","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/vo-freebsd-ustraneny-tri-uyazvimosti"},"modified":"2020-02-01T20:58:18","modified_gmt":"2020-02-01T17:58:18","slug":"vo-freebsd-ustraneny-tri-uyazvimosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/vo-freebsd-ustraneny-tri-uyazvimosti","title":{"rendered":"Vo FreeBSD boli odstr\u00e1nen\u00e9 tri zranite\u013enosti","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Vo FreeBSD boli odstr\u00e1nen\u00e9 tri zranite\u013enosti, ktor\u00e9 umo\u017e\u0148uj\u00fa vykonanie k\u00f3du pri pou\u017e\u00edvan\u00ed libfetch, op\u00e4tovnom odoslan\u00ed IPsec paketov alebo pr\u00edstupe k d\u00e1tam jadra. Probl\u00e9my boli opraven\u00e9 v aktualiz\u00e1ci\u00e1ch 12.1-RELEASE-p2, 12.0-RELEASE-p13 a 11.3-RELEASE-p6. <\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-January\/001924.html\">CVE-2020-7450<\/a><\/noindex> \u2014 prete\u010denie pam\u00e4te v kni\u017enici libfetch, ktor\u00e1 sa pou\u017e\u00edva na s\u0165ahovanie s\u00faborov v pr\u00edkaze fetch, mana\u017e\u00e9ri bal\u00edkov pkg a in\u00fdch utilit\u00e1ch. Zranite\u013enos\u0165 m\u00f4\u017ee vies\u0165 k vykonaniu k\u00f3du pri spracovan\u00ed \u0161peci\u00e1lne form\u00e1tovanej URL. \u00datok m\u00f4\u017ee by\u0165 uskuto\u010dnen\u00fd pri pr\u00edstupe na kontrolovan\u00fa webov\u00fa str\u00e1nku \u00fato\u010dn\u00edka, ktor\u00e1 cez HTTP presmerovanie dok\u00e1\u017ee iniciova\u0165 spracovanie \u0161kodlivej URL;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-January\/001926.html\">CVE-2019-15875<\/a><\/noindex> \u2014 zranite\u013enos\u0165 v mechanizme generovania core dumpov procesov. V d\u00f4sledku chyby sa do core dumpov zapisovalo a\u017e 20 bajtov \u00fadajov zo z\u00e1sobn\u00edka jadra, v ktor\u00fdch potenci\u00e1lne mohla by\u0165 spracov\u00e1van\u00e1 d\u00f4vern\u00e1 inform\u00e1cia. Ako obch\u00e1dzaj\u00face opatrenie na ochranu je mo\u017en\u00e9 vypn\u00fa\u0165 generovanie core s\u00faborov cez sysctl kern.coredump=0;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-January\/001925.html\">CVE-2019-5613<\/a><\/noindex> \u2014 chyba v k\u00f3de blokovania opakovan\u00e9ho odosielania \u00fadajov v IPsec umo\u017enila op\u00e4tovn\u00e9 odoslanie predt\u00fdm zachyten\u00fdch paketov. V z\u00e1vislosti od vysoko\u00farov\u0148ov\u00e9ho protokolu, ktor\u00fd sa pren\u00e1\u0161a nad IPsec, zisten\u00fd probl\u00e9m umo\u017e\u0148uje napr\u00edklad op\u00e4\u0165 posiela\u0165 predt\u00fdm odoslan\u00e9 pr\u00edkazy.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52277\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0442\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 libfetch, \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u044c IPsec-\u043f\u0430\u043a\u0435\u0442\u044b \u0438\u043b\u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0434\u0430\u043d\u043d\u044b\u043c \u044f\u0434\u0440\u0430. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 12.1-RELEASE-p2, 12.0-RELEASE-p13 \u0438 11.3-RELEASE-p6. CVE-2020-7450 &#8212; \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 libfetch, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0439 \u0434\u043b\u044f \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0444\u0430\u0439\u043b\u043e\u0432 \u0432 \u043a\u043e\u043c\u0430\u043d\u0434\u0435 fetch, \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u043c \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0435 pkg \u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u0443\u0442\u0438\u043b\u0438\u0442\u0430\u0445. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0434\u0430 [&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":[],"tags":[],"class_list":["post-40546","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0442\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 libfetch, \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e 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