{"id":112005,"date":"2023-12-05T15:10:42","date_gmt":"2023-12-05T13:10:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/fish-3-6-2-i-3-6-3-s-ispravleniem-cve-2023-49284"},"modified":"2023-12-05T15:10:42","modified_gmt":"2023-12-05T13:10:42","slug":"fish-3-6-2-i-3-6-3-s-ispravleniem-cve-2023-49284","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/fish-3-6-2-i-3-6-3-s-ispravleniem-cve-2023-49284","title":{"rendered":"fish 3.6.2 a 3.6.3 s opravou CVE-2023-49284","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <noindex><\/p>\n<p>Prebehla oprava verzia 3.6.2 interakt\u00edvnej pr\u00edkazovej shelly fish s opravou zranite\u013enosti <a rel=\"nofollow\" href=\"https:\/\/github.com\/fish-shell\/fish-shell\/security\/advisories\/GHSA-2j9r-pm96-wp4f\">CVE-2023-49284<\/a>.<\/p>\n<p><\/noindex><\/noindex>  <\/p>\n<p>fish shell pou\u017e\u00edva niektor\u00e9 znaky Unicode na intern\u00e9 ozna\u010dovanie z\u00e1stupn\u00fdch znakov a roz\u0161\u00edren\u00ed. Tento nespr\u00e1vny pr\u00edstup umo\u017e\u0148oval \u010d\u00edta\u0165 tieto znaky v v\u00fdstupe z\u00e1stupn\u00fdch pr\u00edkazov, namiesto toho, aby ich premenil na bezpe\u010dn\u00e9 vn\u00fatorn\u00e9 zast\u00fapenie.<\/p>\n<p>Hoci to m\u00f4\u017ee sp\u00f4sobi\u0165 neo\u010dak\u00e1van\u00e9 spr\u00e1vanie pri priamom vstupe (napr\u00edklad echo UFDD2HOME m\u00e1 ten ist\u00fd v\u00fdstup ako echo $HOME), m\u00f4\u017ee to predstavova\u0165 men\u0161\u00ed bezpe\u010dnostn\u00fd probl\u00e9m, ak je v\u00fdstup poskytovan\u00fd z extern\u00e9ho programu do z\u00e1stupcu pr\u00edkazov, kde tak\u00fdto v\u00fdstup sa nemus\u00ed o\u010dak\u00e1va\u0165.<\/p>\n<p>T\u00e1to dizajnov\u00e1 chyba sa objavila v najrannej\u0161\u00edch verzi\u00e1ch fish, e\u0161te pred zaveden\u00edm syst\u00e9mu spr\u00e1vy verzi\u00ed, a predpoklad\u00e1 sa, \u017ee je pr\u00edtomn\u00e1 v ka\u017edej verzii fish vydanej za posledn\u00fdch 15 rokov alebo viac, aj ke\u010f s r\u00f4znymi znakmi.<\/p>\n<p>Vykonanie k\u00f3du nie je mo\u017en\u00e9, ale DoS \u00fatok (cez odkrytie ve\u013ek\u00e9ho mno\u017estva z\u00e1tvoriek) alebo \u00fanik inform\u00e1ci\u00ed (napr\u00edklad cez roz\u0161\u00edrenie premenn\u00fdch) s\u00fa potenci\u00e1lne mo\u017en\u00e9 za ur\u010dit\u00fdch okolnost\u00ed.<\/p>\n<p>Vo verzii 3.6.3 boli opraven\u00e9 iba testy.<\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/security\/17442560\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a 3.6.2 \u0438\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0439 \u043e\u0431\u043e\u043b\u043e\u0447\u043a\u0438 fish \u0441 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 CVE-2023-49284. fish shell \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0441\u0438\u043c\u0432\u043e\u043b\u044b Unicode \u0434\u043b\u044f \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0439 \u043c\u0430\u0440\u043a\u0438\u0440\u043e\u0432\u043a\u0438 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043e\u0447\u043d\u044b\u0445 \u0437\u043d\u0430\u043a\u043e\u0432 \u0438 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0439. \u042d\u0442\u043e\u0442 \u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u044b\u0439 \u043f\u043e\u0434\u0445\u043e\u0434 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u043b \u0447\u0438\u0442\u0430\u0442\u044c \u044d\u0442\u0438 \u0441\u0438\u043c\u0432\u043e\u043b\u044b \u0432 \u0432\u044b\u0432\u043e\u0434\u0435 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043a\u043e\u043c\u0430\u043d\u0434, \u0432\u043c\u0435\u0441\u0442\u043e \u0442\u043e\u0433\u043e \u0447\u0442\u043e\u0431\u044b \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u0442\u044c \u0438\u0445 \u0432 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0435 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0435 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0435. \u0425\u043e\u0442\u044f \u044d\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u043e\u0435 \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u043f\u0440\u0438 \u043f\u0440\u044f\u043c\u043e\u043c \u0432\u0432\u043e\u0434\u0435 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, [&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-112005","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a 3.6.2 \u0438\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0439 \u043e\u0431\u043e\u043b\u043e\u0447\u043a\u0438 fish \u0441 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c 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