Threat Intelligence

11/22/2017
10:00 AM
50%
50%

Samsung Pay Leaks Mobile Device Information

Researcher at Black Hat Europe will show how Samsung Pay's security falls short and ways attackers could potentially bypass it.

Mobile users installing Samsung Pay on their devices could have sensitive information stolen by attackers due to a newly discovered weakness in the app that leaks the digital tokens that secure transactions and other technical information such as network traffic logs.

An attacker could capture this information without having to authenticate to the device, according to a Tencent researcher who goes by the name of HC, who at Black Hat Europe 2017 next month will present his findings on the Samsung Pay security weaknesses.

"This information can let the attacker learn much more about the internal mechanisms of Samsung Pay and allow them to use it to their advantage to go even deeper into Samsung Pay," HC says.

The attacker, for example, could take the information and use it to view communication between users and their banks in plain text. With enough information, HC notes, an attacker could create another token to withdraw money from users' bank accounts.

Samsung Pay's tokens are unique alphanumeric identifiers generated via algorithms and designed to eliminate the need to use a credit card or debit card number.

"This is not a vulnerability in Samsung Pay, but a mistake in Samsung Pay's app. The mistake is you don't need privileges to get access to the phone log system," says HC, who has notified Samsung about the issue.

HC conducted his research using a Samsung Galaxy S6 but says all Samsung Galaxy smartphones that feature Samsung Pay may be at risk.

The purpose of HC's presentation is to discuss Samsung Pay's security and how to generate a token without the device being physically present, which is different than a 2016 Black Hat Samsung Pay demonstration by another security researcher, HC notes.

Although HC in his research had aimed to generate a token without a Samsung Galaxy device, he acknowledged he was not able to achieve that goal because of the strength of the encrypted traffic and difficulty in accessing the secure chip to crack the encrypted key.

"It is possible to compromise Samsung Pay with the right tools and skills," HC says, noting in his particular case the desired tools were not immediately available.

Related Content:

 

Join Dark Reading LIVE for two days of practical cyber defense discussions. Learn from the industry’s most knowledgeable IT security experts. Check out the INsecurity agenda here.

Dawn Kawamoto is an Associate Editor for Dark Reading, where she covers cybersecurity news and trends. She is an award-winning journalist who has written and edited technology, management, leadership, career, finance, and innovation stories for such publications as CNET's ... View Full Bio

Comment  | 
Print  | 
More Insights
Comments
Newest First  |  Oldest First  |  Threaded View
Register for Dark Reading Newsletters
White Papers
Video
Cartoon Contest
Current Issue
The Year in Security 2018
This Dark Reading Tech Digest explores the biggest news stories of 2018 that shaped the cybersecurity landscape.
Flash Poll
How Enterprises Are Attacking the Cybersecurity Problem
How Enterprises Are Attacking the Cybersecurity Problem
Data breach fears and the need to comply with regulations such as GDPR are two major drivers increased spending on security products and technologies. But other factors are contributing to the trend as well. Find out more about how enterprises are attacking the cybersecurity problem by reading our report today.
Twitter Feed
Dark Reading - Bug Report
Bug Report
Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2018-20735
PUBLISHED: 2019-01-17
** DISPUTED ** An issue was discovered in BMC PATROL Agent through 11.3.01. It was found that the PatrolCli application can allow for lateral movement and escalation of privilege inside a Windows Active Directory environment. It was found that by default the PatrolCli / PATROL Agent application only...
CVE-2019-0624
PUBLISHED: 2019-01-17
A spoofing vulnerability exists when a Skype for Business 2015 server does not properly sanitize a specially crafted request, aka "Skype for Business 2015 Spoofing Vulnerability." This affects Skype.
CVE-2019-0646
PUBLISHED: 2019-01-17
A Cross-site Scripting (XSS) vulnerability exists when Team Foundation Server does not properly sanitize user provided input, aka "Team Foundation Server Cross-site Scripting Vulnerability." This affects Team.
CVE-2019-0647
PUBLISHED: 2019-01-17
An information disclosure vulnerability exists when Team Foundation Server does not properly handle variables marked as secret, aka "Team Foundation Server Information Disclosure Vulnerability." This affects Team.
CVE-2018-20727
PUBLISHED: 2019-01-17
Multiple command injection vulnerabilities in NeDi before 1.7Cp3 allow authenticated users to execute code on the server side via the flt parameter to Nodes-Traffic.php, the dv parameter to Devices-Graph.php, or the tit parameter to drawmap.php.