(Authenticated) RCE by bypassing of the .htaccess blacklist
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`Storage::copyFromStorage` doesn't check the content of a folder it copies against the list of blacklisted files. Meaning that if a user has access to an external storage (inc. fed. shares) that contains a .htaccess file, he can move the .htaccess file to the local data directory.
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阅读 HackerOne 原文 ↗作者 @icewind1991 · 版权归作者与 Nextcloud 所有