{"id":104042,"date":"2022-05-15T09:36:38","date_gmt":"2022-05-15T07:36:38","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-unrar-pozvolyayushhaya-perezapisat-fajly-pri-raspakovke-arhiva"},"modified":"2022-05-15T09:36:38","modified_gmt":"2022-05-15T07:36:38","slug":"uyazvimost-v-unrar-pozvolyayushhaya-perezapisat-fajly-pri-raspakovke-arhiva","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/uyazvimost-v-unrar-pozvolyayushhaya-perezapisat-fajly-pri-raspakovke-arhiva","title":{"rendered":"Eine Schwachstelle in unrar, die es erm\u00f6glicht, Dateien beim Entpacken eines Archivs zu \u00fcberschreiben.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

In der unrar-Anwendung wurde eine Sicherheitsanf\u00e4lligkeit (CVE-2022-30333) entdeckt, die es erm\u00f6glicht, beim Entpacken eines speziell gestalteten Archivs Dateien au\u00dferhalb des aktuellen Verzeichnisses zu \u00fcberschreiben, soweit es die Benutzerrechte zulassen. Das Problem wurde in den Versionen RAR 6.12 und unrar 6.1.7 behoben. Die Sicherheitsanf\u00e4lligkeit tritt in den Versionen f\u00fcr Linux, FreeBSD und macOS auf, betrifft jedoch nicht die Builds f\u00fcr Android und Windows. <\/p>\n

Das Problem entsteht durch das Fehlen einer angemessenen \u00dcberpr\u00fcfung der Sequenz « \/.. » in den im Archiv angegebenen Dateipfaden, was es erm\u00f6glicht, beim Entpacken den Basisordner zu verlassen. Beispielsweise kann ein Angreifer, der « .. \/ .ssh \/ authorized_keys » in das Archiv einf\u00fcgt, versuchen, die Datei des Benutzers « ~ \/ .ssh \/ authorized_keys » w\u00e4hrend des Entpackens zu \u00fcberschreiben.
\n
Quelle: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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\u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 RAR 6.12 \u0438 unrar 6.1.7. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 \u0434\u043b\u044f Linux, FreeBSD \u0438 macOS, \u043d\u043e \u043d\u0435 \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u0435\u0442 \u0441\u0431\u043e\u0440\u043a\u0438 \u0434\u043b\u044f Android \u0438 Windows. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435\u043c \u0434\u043e\u043b\u0436\u043d\u043e\u0439 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 «\/..» 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