Zmodo ZP-NE14-S DVR and ZP-IBH-13W cameras contain hard-coded credentials

Overview

The Zmodo ZP-NE14-S DVR and ZP-IBH-13W cameras contain hard-coded credentials and run telnet by default.

Description

CWE-798: Use of Hard-coded Credentials - CVE-2016-5081

According to the reporter, the Zmodo ZP-NE14-S DVR and ZP-IBH-13W cameras contain undocumented credentials for accessing the device via telnet. These credentials allow root access to the device, and are hard-coded and cannot be changed by the user.

Additionally, these cameras contain an always running instance of telnet that allows network access by an attacker. Telnet cannot be disabled.

CWE-636: Not Failing Securely (‘Failing Open’) - CVE-2016-5650

According to the reporter, the Zmodo ZP-NE14-S DVR and ZP-IBH-13W cameras can be forced to deauthenticate and connect to an unencrypted network with the same SSID, even if the device settings specify use of encryption such as WPA2, as long as the competing network has a stronger signal. An attacker must be able to set up a nearby SSID, similar to an “Evil Twin” attack.

The CERT/CC has to-date been unable to reach the vendor to confirm these vulnerabilities.

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Impact

A remote unauthenticated attack with knowledge of the credentials may gain root access to the device.

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Solution

Apply an update

The CERT/CC has received the following statement from Zmodo:

Zmodo has released firmware Version 40.0.3.0 (for ZP­NE14­S) and firmware Version 7.8.0.36 (for ​ZP­IBH괓W) to address these issues. Affected users are encouraged to use their mobile phone with Zmodo APP installed to upgrade their
Zmodo devices to the latest firmware as soon as possible. Please see their support announcement here.

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Vendor Information

301735

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ZModo __ Affected

Notified: May 11, 2016 Updated: August 25, 2016

Statement Date: August 25, 2016

Status

Affected

Vendor Statement

“Zmodo has released firmware Version 40.0.3.0 (for ZP­NE14­S) and firmware Version 7.8.0.36 (for ​ZP­IBH괓W) to address these issues. Affected users are encouraged to use their mobile phone with Zmodo APP installed to upgrade their
Zmodo devices to the latest firmware as soon as possible. Please see their support announcement here.”

Vendor Information

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

CVSS Metrics

Group	Score	Vector
Base	10	AV:N/AC:L/Au:N/C:C/I:C/A:C
Temporal	8.5	E:POC/RL:U/RC:UR
Environmental	2.1	CDP:ND/TD:L/CR:ND/IR:ND/AR:ND

References

• <http://files.zmodo.com/others/vu301735.pdf&gt;
• <http://cwe.mitre.org/data/definitions/798.html&gt;

Acknowledgements

Thanks to Garrett Miller and John Kotheimer for reporting this vulnerability.

This document was written by Garret Wassermann.

Other Information

CVE IDs:	CVE-2016-5081, CVE-2016-5650
Date Public:	2016-08-11 Date First Published: