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Date: Sat, 13 Jan 2018 17:18:20 +0100 From: Summer of Pwnage via Fulldisclosure <fulldisclosure@...lists.org> To: fulldisclosure@...lists.org Subject: [FD] Seagate Media Server allows deleting of arbitrary files and folders ------------------------------------------------------------------------ Seagate Media Server allows deleting of arbitrary files and folders ------------------------------------------------------------------------ Yorick Koster, September 2017 ------------------------------------------------------------------------ Abstract ------------------------------------------------------------------------ Seagate Personal Cloud is a consumer-grade Network-Attached Storage device (NAS). It was found that Seagate Media Server can be used by unauthenticated attackers to delete arbitrary files and folders on the NAS. Since Seagate Media Server is running with root privileges it is possible to remove almost any file on the NAS. The application lacks protection against CSRF attacks, and is accessible via the personalcloud.local domain name. Due to this it is possible to exploit this issue via a malicious website without requiring the NAS to be directly accessible over the internet. ------------------------------------------------------------------------ Tested versions ------------------------------------------------------------------------ This issue was tested on a Seagate Personal Cloud model SRN21C running firmware version 4.3.16.0. It is likely that other devices/models are also affected. ------------------------------------------------------------------------ Fix ------------------------------------------------------------------------ Seagate has released firmware version 4.3.18.0 in which the vulnerable endpoint is no longer exposed, which as a result fixes this issue. ------------------------------------------------------------------------ Details ------------------------------------------------------------------------ https://sumofpwn.nl/advisory/2017/seagate-media-server-allows-deleting-of-arbitrary-files-and-folders.html _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: http://seclists.org/fulldisclosure/
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