full-disclosure - [FD] CVE-2017-12574: Hardcode credential in PLANEX CS-W50HD

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Message-ID: <70AD6D0D-E732-4AEB-B402-A0FF70F79B31@trendmicro.com>
Date: Tue, 21 Aug 2018 06:16:54 +0000
From: "kenney_lu@...ndmicro.com" <kenney_lu@...ndmicro.com>
To: "fulldisclosure@...lists.org" <fulldisclosure@...lists.org>
Subject: [FD] CVE-2017-12574: Hardcode credential in PLANEX CS-W50HD

Reserved CVE: CVE-2017-12574

# Description
A hidden and undocumented account exists that allows attackers to gain unauthorized access and control the device completely; the account can't be modified or deleted.

# Vulnerability Type
Default user/password

# Affected Product Code Base
Firmware ver 030608

# Affected Component
Web management UI

# Attack Type
Remote

# Attack Vectors
Use hardcode hidden and undocumented account to access

# Discoverer
Kenney Lu (Trend Micro)

# Vulnerability Detail
A hardcoded credential “supervisor:dangerous” was injected into web authentication database “/.htpasswd" during booting process, users can’t change or modify, and the privilege will be administrator.

# Status
Fixed in firmware ver 030720

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