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Date: Wed, 31 Jan 2018 08:10:28 +0200
From: Maor Shwartz <>
Cc: SecuriTeam Secure Disclosure <>
Subject: [FD] SSD Advisory – Hotspot Shield Information Disclosure

SSD Advisory – Hotspot Shield Information Disclosure

Full report:
Twitter: @SecuriTeam_SSD
Weibo: SecuriTeam_SSD

Vulnerability Summary
The following advisory describes a information disclosure found in Hotspot

Hotspot Shield “provides secure and private access to a free and open
internet. Enabling access to social networks, sports, audio and video
streaming, news, dating, gaming wherever you are.”

An independent security researcher, Paulos Yibelo, has reported this
vulnerability to Beyond Security’s SecuriTeam Secure Disclosure program.

Vendor response
“Thank you very much again for contacting us. The info is being reviewed
and if there are any questions/comments, we’ll contact you by re-opening
this ticket”

Vulnerability details
The HotspotShiled product runs webserver with a static IP and
port 895.

The web server using JSONP and hosts sensitive information, including,

User controlled input is not sufficiently filterd, an unauthenticated
attacker can send a POST request to /status.js with parameter
func=$_APPLOG.Rfunc and extract sensitive information about the machine,
including wheater the user is connected to VPN, to which VPN he/she is
connected to what their real IP address.

Maor Shwartz
Beyond Security
GPG Key ID: 6D273779F52A9FC2

Download attachment "SSD Advisory – Hotspot Shield Information Disclosure.pdf" of type "application/pdf" (125324 bytes)

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