{"id":84053,"date":"2020-06-05T01:42:08","date_gmt":"2020-06-04T23:42:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opasnye-uyazvimosti-v-qemu-node-js-grafana-i-android"},"modified":"2020-06-05T01:42:08","modified_gmt":"2020-06-04T23:42:08","slug":"opasnye-uyazvimosti-v-qemu-node-js-grafana-i-android","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/opasnye-uyazvimosti-v-qemu-node-js-grafana-i-android","title":{"rendered":"Nebezpe\u010dn\u00e9 zranitelnosti v QEMU, Node.js, Grafana a Android","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>N\u011bkolik ned\u00e1vno odhalen\u00fdch zranitelnost\u00ed:<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.openwall.com\/lists\/oss-security\/2020\/06\/03\/6\">Zranitelnost<\/a><\/noindex> (<noindex><a rel=\"nofollow\" href=\"https:\/\/security-tracker.debian.org\/tracker\/CVE-2020-13765\">CVE-2020-13765<\/a><\/noindex>) v QEMU, kter\u00e1 m\u016f\u017ee potenci\u00e1ln\u011b v\u00e9st k vykon\u00e1n\u00ed k\u00f3du s pr\u00e1vy procesu QEMU na stran\u011b hostitelsk\u00e9 syst\u00e9mu p\u0159i spu\u0161t\u011bn\u00ed speci\u00e1ln\u011b upraven\u00e9ho obrazu j\u00e1dra na hostovi. Probl\u00e9m je zp\u016fsoben p\u0159ete\u010den\u00edm bufferu v k\u00f3du kop\u00edrov\u00e1n\u00ed obsahu ROM b\u011bhem zav\u00e1d\u011bn\u00ed syst\u00e9mu a projevuje se p\u0159i zav\u00e1d\u011bn\u00ed obsahu 32bitov\u00e9ho obrazu j\u00e1dra do pam\u011bti. Oprava je zat\u00edm dostupn\u00e1 pouze ve form\u011b <noindex><a rel=\"nofollow\" href=\"https:\/\/git.qemu.org\/?p=qemu.git;a=commitdiff;h=e423455c4f23a1a828901c78fe6d03b7dde79319\">patche<\/a><\/noindex>.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/nodejs.org\/en\/blog\/vulnerability\/june-2020-security-releases\/\">\u010cty\u0159i zranitelnosti<\/a><\/noindex> v Node.js. Zranitelnosti <noindex><a rel=\"nofollow\" href=\"https:\/\/nodejs.org\/en\/blog\/release\/v14.4.0\/\">odstran\u011bny<\/a><\/noindex> v verz\u00edch 14.4.0, 10.21.0 a 12.18.0.\n<ul>\n<li class=\"l\"> CVE-2020-8172 \u2014 umo\u017e\u0148uje obch\u00e1zet ov\u011b\u0159en\u00ed hostitelsk\u00e9ho certifik\u00e1tu p\u0159i opakovan\u00e9m pou\u017eit\u00ed TLS relace.\n<li class=\"l\"> CVE-2020-8174 \u2014 potenci\u00e1ln\u011b umo\u017e\u0148uje proveden\u00ed k\u00f3du v syst\u00e9mu v d\u016fsledku p\u0159ete\u010den\u00ed bufferu ve funkc\u00edch napi_get_value_string_*(), kter\u00e9 nast\u00e1v\u00e1 p\u0159i konkr\u00e9tn\u00edch vol\u00e1n\u00edch na <noindex><a rel=\"nofollow\" href=\"https:\/\/www.npmjs.com\/package\/node-addon-api\">N-API<\/a><\/noindex> (C API pro psan\u00ed nativn\u00edch roz\u0161\u00ed\u0159en\u00ed).\n<li class=\"l\"> CVE-2020-10531 \u2014 celo\u010d\u00edseln\u00e9 p\u0159ete\u010den\u00ed v ICU (International Components for Unicode) pro C\/C++, kter\u00e9 m\u016f\u017ee v\u00e9st k p\u0159ete\u010den\u00ed bufferu p\u0159i pou\u017eit\u00ed funkce UnicodeString::doAppend().\n<li class=\"l\"> CVE-2020-11080 \u2014 umo\u017e\u0148uje realizaci \u00fatoku typu DoS (100% zat\u00ed\u017een\u00ed CPU) p\u0159es p\u0159enos velk\u00fdch r\u00e1mc\u016f \u201eSETTINGS\u201c p\u0159i p\u0159ipojen\u00ed p\u0159es HTTP\/2.\n<\/ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.openwall.com\/lists\/oss-security\/2020\/06\/03\/4\">Zranitelnost<\/a><\/noindex> v platform\u011b interaktivn\u00ed vizualizace metrik Grafana, pou\u017e\u00edvan\u00e9 pro vytv\u00e1\u0159en\u00ed graf\u016f vizu\u00e1ln\u00edho monitorov\u00e1n\u00ed na z\u00e1klad\u011b r\u016fzn\u00fdch zdroj\u016f dat. Chyba v k\u00f3du pr\u00e1ce s avatary umo\u017e\u0148uje bez ov\u011b\u0159en\u00ed spustit HTTP po\u017eadavek ze strany Grafany na libovolnou URL a zobrazit v\u00fdsledek tohoto po\u017eadavku. Uveden\u00e1 vlastnost m\u016f\u017ee b\u00fdt nap\u0159\u00edklad pou\u017eita k prozkoum\u00e1n\u00ed intern\u00ed s\u00edt\u011b firem, kter\u00e9 pou\u017e\u00edvaj\u00ed Grafanu. Probl\u00e9m <noindex><a rel=\"nofollow\" href=\"https:\/\/grafana.com\/blog\/2020\/06\/03\/grafana-6.7.4-and-7.0.2-released-with-important-security-fix\/\">odstran\u011bna<\/a><\/noindex> v verz\u00edch<br \/>\nGrafana 6.7.4 a 7.0.2. Jako obranou doporu\u010dujeme omezit p\u0159\u00edstup k URL \u201e\/avatar\/*\u201c na serveru s Grafana.<\/p>\n<li class=\"l\">  <noindex><a rel=\"nofollow\" href=\"https:\/\/source.android.com\/security\/bulletin\/2020-06-01\">Byl zve\u0159ejn\u011bn<\/a><\/noindex> \u010dervnov\u00fd soubor oprav bezpe\u010dnostn\u00edch probl\u00e9m\u016f pro Android, kter\u00fd \u0159e\u0161\u00ed 34 zranitelnost\u00ed. \u010cty\u0159em probl\u00e9m\u016fm je p\u0159i\u0159azena kritick\u00e1 \u00farove\u0148 nebezpe\u010d\u00ed: dv\u011b zranitelnosti (CVE-2019-14073, CVE-2019-14080) v propriet\u00e1rn\u00edch komponent\u00e1ch Qualcomm a dv\u011b zranitelnosti v syst\u00e9mu, kter\u00e9 umo\u017e\u0148uj\u00ed prov\u00e9st k\u00f3d p\u0159i zpracov\u00e1n\u00ed speci\u00e1ln\u011b form\u00e1tovan\u00fdch extern\u00edch dat (CVE-2020-0117 \u2014 celo\u010d\u00edseln\u00e9 <noindex><a rel=\"nofollow\" href=\"https:\/\/android.googlesource.com\/platform\/system\/bt\/+\/1570b62c88d7c5b9c6bfe43da8cc16ea30d3e8df\">p\u0159ete\u010den\u00ed<\/a><\/noindex> v Bluetooth z\u00e1sobn\u00edku, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52498\">CVE-2020-8597 \u2014 p\u0159ete\u010den\u00ed EAP v pppd<\/a><\/noindex>).\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=53085\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043d\u0435\u0434\u0430\u0432\u043d\u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2020-13765) \u0432 QEMU, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \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 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 QEMU \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0445\u043e\u0441\u0442-\u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043f\u0440\u0438 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0435 \u0432 \u0433\u043e\u0441\u0442\u0435\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043e\u0431\u0440\u0430\u0437\u0430 \u044f\u0434\u0440\u0430. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u043a\u043e\u0434\u0435 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u041f\u0417\u0423 \u043d\u0430 \u044d\u0442\u0430\u043f\u0435 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0438 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u0438 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0435 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e 32-\u0440\u0430\u0437\u0440\u044f\u0434\u043d\u043e\u0433\u043e \u043e\u0431\u0440\u0430\u0437\u0430 \u044f\u0434\u0440\u0430 \u0432 \u043f\u0430\u043c\u044f\u0442\u044c. \u0418\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 [&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-84053","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=\"\u041d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043d\u0435\u0434\u0430\u0432\u043d\u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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