{"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\/de\/blog\/news\/fish-3-6-2-i-3-6-3-s-ispravleniem-cve-2023-49284","title":{"rendered":"fish 3.6.2 und 3.6.3 mit dem Patch CVE-2023-49284","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <noindex><\/p>\n<p>Es fand ein korrigierendes Release 3.6.2 der interaktiven Kommandozeile fish mit der Behebung einer Sicherheitsanf\u00e4lligkeit statt. <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>Die fish-Shell verwendet einige Unicode-Zeichen zur internen Markierung von Platzhaltern und Erweiterungen. Dieser fehlerhafte Ansatz erlaubte es, diese Zeichen in der Ausgabe von Platzhalter-Befehlen zu lesen, anstatt sie in eine sichere interne Darstellung zu konvertieren.<\/p>\n<p>Obwohl dies unerwartetes Verhalten bei direkter Eingabe verursachen kann (z. B. gibt echo UFDD2HOME die gleiche Ausgabe wie echo $HOME zur\u00fcck), k\u00f6nnte dies ein geringf\u00fcgiges Sicherheitsproblem darstellen, wenn die Ausgabe von einem externen Programm in den Platzhalter-Befehl eingespeist wird, wo eine solche Ausgabe nicht erwartet wird.<\/p>\n<p>Dieser Designfehler trat in den fr\u00fchesten Versionen von fish auf, noch bevor ein Versionskontrollsystem existierte, und wird angenommen, in jeder Version von fish vorhanden zu sein, die in den letzten 15 Jahren oder l\u00e4nger ver\u00f6ffentlicht wurde, allerdings mit unterschiedlichen Zeichen.<\/p>\n<p>Die Ausf\u00fchrung von Code ist nicht m\u00f6glich, aber ein DoS-Angriff (durch die Offenlegung einer gro\u00dfen Anzahl von Klammern) oder eine Informations offenlegung (zum Beispiel durch die Erweiterung von Variablen) ist unter bestimmten Umst\u00e4nden potenziell m\u00f6glich.<\/p>\n<p>In der Version 3.6.3 wurden nur die Tests korrigiert.<\/p>\n<p>Quelle: <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 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" 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