{"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\/pl\/blog\/news\/fish-3-6-2-i-3-6-3-s-ispravleniem-cve-2023-49284","title":{"rendered":"fish 3.6.2 i 3.6.3 z poprawk\u0105 CVE-2023-49284.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <noindex><\/p>\n<p>Wydano poprawk\u0119 3.6.2 interaktywnej pow\u0142oki fish z napraw\u0105 podatno\u015bci <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>Pow\u0142oka fish u\u017cywa niekt\u00f3rych znak\u00f3w Unicode do wewn\u0119trznego oznaczania symboli wieloznacznych i rozszerze\u0144. To niew\u0142a\u015bciwe podej\u015bcie pozwala\u0142o na odczyt tych znak\u00f3w w wynikach substytucji polece\u0144, zamiast przekszta\u0142ca\u0107 je na bezpieczn\u0105 wewn\u0119trzn\u0105 reprezentacj\u0119.<\/p>\n<p>Mo\u017ce to spowodowa\u0107 niespodziewane zachowanie podczas bezpo\u015bredniego wprowadzania (na przyk\u0142ad echo UFDD2HOME ma ten sam wynik, co echo $HOME), co mo\u017ce sta\u0107 si\u0119 nieznacznym problemem bezpiecze\u0144stwa, je\u015bli wynik pochodzi z zewn\u0119trznego programu podczas substytucji polece\u0144, gdzie taki wynik mo\u017ce by\u0107 niespodziewany.<\/p>\n<p>Ta luka w projektowaniu pojawi\u0142a si\u0119 w najwcze\u015bniejszych wersjach fish, jeszcze przed wprowadzeniem systemu kontroli wersji, i jak si\u0119 uwa\u017ca, wyst\u0119puje w ka\u017cdej wersji fish wydanej w ci\u0105gu ostatnich 15 lat lub d\u0142u\u017cej, chocia\u017c z r\u00f3\u017cnymi znakami.<\/p>\n<p>Wykonanie kodu nie jest mo\u017cliwe, ale atak DoS (poprzez ujawnienie du\u017cej ilo\u015bci nawias\u00f3w) lub ujawnienie informacji (np. poprzez rozszerzenie zmiennych) s\u0105 potencjalnie mo\u017cliwe w okre\u015blonych okoliczno\u015bciach.<\/p>\n<p>W wersji 3.6.3 naprawiono tylko testy.<\/p>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - 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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