{"id":107226,"date":"2023-03-11T06:48:11","date_gmt":"2023-03-11T04:48:11","guid":{"rendered":"https:\/\/prohoster.info\/?p=107226"},"modified":"2023-03-13T12:06:31","modified_gmt":"2023-03-13T10:06:31","slug":"udalyonno-ekspluatiruemaya-uyazvimost-v-platforme-home-assistant","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/udalyonno-ekspluatiruemaya-uyazvimost-v-platforme-home-assistant","title":{"rendered":"Vzd\u00e1len\u011b zneu\u017eiteln\u00e1 zranitelnost v platform\u011b Home Assistant","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V otev\u0159en\u00e9 platform\u011b pro dom\u00e1c\u00ed automatizaci Home Assistant byla zji\u0161t\u011bna kritick\u00e1 zranitelnost (CVE-2023-27482), kter\u00e1 umo\u017e\u0148uje obej\u00edt autentizaci a z\u00edskat pln\u00fd p\u0159\u00edstup k privilegovan\u00e9mu API Supervisor, prost\u0159ednictv\u00edm kter\u00e9ho je mo\u017en\u00e9 m\u011bnit nastaven\u00ed, instalovat\/aktualizovat software, spravovat dopl\u0148ky a z\u00e1lohy. <\/p>\n

Probl\u00e9m se t\u00fdk\u00e1 instalac\u00ed, kter\u00e9 pou\u017e\u00edvaj\u00ed komponentu Supervisor, a objevuje se od prvn\u00edch jeho vyd\u00e1n\u00ed (od roku 2017). Nap\u0159\u00edklad zranitelnost je p\u0159\u00edtomna v prost\u0159ed\u00edch Home Assistant OS a Home Assistant Supervised, ale net\u00fdk\u00e1 se Home Assistant Container (Docker) a ru\u010dn\u011b vytvo\u0159en\u00fdch Python prost\u0159ed\u00ed zalo\u017een\u00fdch na Home Assistant Core. <\/p>\n

Zranitelnost byla odstran\u011bna ve verzi Home Assistant Supervisor 2023.01.1. D\u00e1le byl do vyd\u00e1n\u00ed Home Assistant 2023.3.0 zahrnut obran\u00fd alternativn\u00ed zp\u016fsob ochrany. Na syst\u00e9mech, na kter\u00fdch nelze aktualizaci k zablokov\u00e1n\u00ed zranitelnosti nainstalovat, lze omezit p\u0159\u00edstup k s\u00ed\u0165ov\u00e9mu portu webov\u00e9 slu\u017eby Home Assistant z extern\u00edch s\u00edt\u00ed. <\/p>\n

Metoda vyu\u017e\u00edv\u00e1n\u00ed zranitelnosti zat\u00edm nen\u00ed podrobn\u011b vyjasn\u011bna (podle odhad\u016f v\u00fdvoj\u00e1\u0159\u016f zhruba 1\/3 u\u017eivatel\u016f aktualizaci nainstalovala a mnoho syst\u00e9m\u016f z\u016fst\u00e1v\u00e1 zraniteln\u00fdch). Opraven\u00e1 verze p\u0159inesla zm\u011bny v obsluze token\u016f a proxy dotaz\u016f pod rou\u0161kou optimalizace, a tak\u00e9 byly p\u0159id\u00e1ny filtry pro blokov\u00e1n\u00ed vkl\u00e1d\u00e1n\u00ed SQL dotaz\u016f, zna\u010dky a pou\u017e\u00edv\u00e1n\u00ed cest s \u201e.. \/\u201c a \u201e\/.\/\u201c.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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