{"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\/hu\/blog\/vo-freebsd-ustraneny-tri-uyazvimosti","title":{"rendered":"A FreeBSD-ben h\u00e1rom sebezhet\u0151s\u00e9get megsz\u00fcntettek.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A FreeBSD-ben h\u00e1rom sebezhet\u0151s\u00e9get jav\u00edtottak, amelyek lehet\u0151v\u00e9 teszik k\u00f3d v\u00e9grehajt\u00e1s\u00e1t a libfetch haszn\u00e1latakor, IPsec-csomagok \u00fajb\u00f3li k\u00fcld\u00e9s\u00e9t vagy a kernel adataihoz val\u00f3 hozz\u00e1f\u00e9r\u00e9st. A probl\u00e9m\u00e1kat a 12.1-RELEASE-p2, 12.0-RELEASE-p13 \u00e9s 11.3-RELEASE-p6 friss\u00edt\u00e9sekben orvosolt\u00e1k. <\/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 a puffed buffer overflow in the libfetch library used for file uploads in the fetch command, the pkg package manager, and other utilities. The vulnerability may lead to code execution when processing specially crafted URLs. An attack can be executed by accessing a site controlled by an attacker that can trigger the processing of a malicious URL through HTTP redirection;\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 a vulnerability in the core dump generation mechanism of processes. Due to an error, core dumps recorded up to 20 bytes of data from the kernel stack, which potentially contained sensitive information being processed by the kernel. As a workaround for protection, core file generation can be disabled via 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 an error in the code blocking the resending of data in IPsec allowed previously captured packets to be resent. Depending on the high-level protocol transmitted over IPsec, the identified issue enables, for instance, the resending of previously transmitted commands.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Forr\u00e1s: <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 5.0.3 - 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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