Zizai Tech Nut contains multiple vulnerabilities

Overview

Zizai Tech Nut contains multiple vulnerabilities including sensitive information exposure and missing authentication.

Description

CWE-313: Cleartext Storage in a File or on Disk- CVE-2016-6547

The Nut mobile app stores the account password used to authenticate to the cloud API in cleartext in the cache.db file.

CWE-200: Information Exposure - CVE-2016-6548
The Nut mobile app makes requests via HTTP instead of HTTPS. These requests contain the user’s authenticated session token with the URL. An attacker can capture these requests and reuse the session token to gain full access the user’s account.

CWE-306: Missing Authentication for Critical Function - CVE-2016-6549
The Nut device allows unauthenticated Bluetooth pairing, which enables unauthenticated connected applications to write data to the device name attribute.

The CVSS Score below represents CVE-2016-6548

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Impact

These vulnerabilities may allow a remote attacker to track a user’s location without their consent.

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Solution

The CERT/CC is currently unaware of a practical solution to this problem.

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Use with caution

Until the vendor supplies a patch, the user should practice caution as to where these devices are used.

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Vendor Information

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Zizai Tech Affected

Notified: September 13, 2016 Updated: October 25, 2016

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

We are not aware of further vendor information regarding this vulnerability.

CVSS Metrics

Group	Score	Vector
Base	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P
Temporal	6.8	E:ND/RL:ND/RC:ND
Environmental	1.7	CDP:ND/TD:L/CR:ND/IR:ND/AR:ND

References

• <http://nutspace.com/&gt;
• <https://community.rapid7.com/community/infosec/blog/2016/10/25/multiple-bluetooth-low-energy-ble-tracker-vulnerabilities&gt;

Acknowledgements

Thanks to Deral Heiland and Adam Compton of Rapid7, Inc. for reporting this vulnerability.

This document was written by Trent Novelly.

Other Information

CVE IDs:	CVE-2016-6547, CVE-2016-6548, CVE-2016-6549
Date Public:	2016-10-25 Date First Published: