CVE-2018-16618 : Security Advisory and Response

VTech Storio Max device before version 56.D3JM6 is vulnerable to remote command execution through shell metacharacters in the name of an Android activity, allowing attackers to run arbitrary commands with root privileges.

Understanding CVE-2018-16618

This CVE describes a critical vulnerability in the VTech Storio Max device that enables remote command execution.

What is CVE-2018-16618?

The vulnerability in VTech Storio Max device allows attackers to execute arbitrary commands with root privileges by exploiting shell metacharacters in the name of an Android activity.

The Impact of CVE-2018-16618

Remote attackers can exploit this vulnerability to run commands with elevated privileges on the affected device.
The vulnerability exposes the 'storeintenttranslate.x' service on port 1668, which listens for requests on the localhost.
Requests to this service are checked for specific patterns, allowing attackers to execute commands by manipulating the activity name.
The exploit can be triggered on any web page displayed on the device by requesting resources stored at a specific URI.

Technical Details of CVE-2018-16618

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability in VTech Storio Max device allows remote command execution by inserting shell metacharacters in the name of an Android activity.

Affected Systems and Versions

Product: VTech Storio Max device
Versions affected: Before version 56.D3JM6

Exploitation Mechanism

Attackers can exploit the vulnerability by inserting metacharacters in the name of an Android activity, triggering the execution of arbitrary commands with root privileges.

Mitigation and Prevention

Protecting systems from CVE-2018-16618 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the VTech Storio Max device to version 56.D3JM6 or later to mitigate the vulnerability.
Implement network segmentation to restrict access to vulnerable services.

Long-Term Security Practices

Regularly monitor and update devices to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses.

Patching and Updates

Stay informed about security advisories from VTech and apply patches promptly to secure the device.