full-disclosure - [FD] Seagate Media Server path traversal vulnerability

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Message-ID: <d4efcf3d-741f-ab4c-0748-ce7d32141058@securify.nl>
Date: Thu, 19 Apr 2018 19:28:21 +0200
From: Summer of Pwnage via Fulldisclosure <fulldisclosure@...lists.org>
To: fulldisclosure@...lists.org
Subject: [FD] Seagate Media Server path traversal vulnerability

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Seagate Media Server path traversal vulnerability
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Yorick Koster, September 2017

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Abstract
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Seagate Personal Cloud is a consumer-grade Network-Attached Storage
device (NAS). It was found that Seagate Media Server is vulnerable to
path traversal that allows unauthenticated attackers to download
arbitrary files from the NAS. Since Seagate Media Server runs with root
privileges it is possible to exploit this issue to retrieve sensitive
information from the NAS.

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Tested versions
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This issue was tested on a Seagate Personal Cloud model SRN21C running
firmware versions 4.3.16.0 and 4.3.18.0. It is likely that other
devices/models are also affected.

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Fix
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This issue has been fixed in firmware version 4.3.18.4.

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Details
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https://sumofpwn.nl/advisory/2017/seagate-media-server-path-traversal-vulnerability.html

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