CVE-2019-13398 : Security Advisory and Response

The Dynacolor FCM-MB40 v1.2.0.0 devices have a vulnerability that allows remote attackers to execute arbitrary commands by manipulating specific parameters in CGI scripts.

Understanding CVE-2019-13398

This CVE involves a security vulnerability in Dynacolor FCM-MB40 v1.2.0.0 devices that can be exploited by remote attackers.

What is CVE-2019-13398?

The vulnerability in Dynacolor FCM-MB40 v1.2.0.0 devices enables remote attackers to execute commands of their choice by manipulating parameters in CGI scripts.

The Impact of CVE-2019-13398

This vulnerability allows attackers to execute arbitrary commands on the affected devices, potentially leading to unauthorized access and control.

Technical Details of CVE-2019-13398

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in Dynacolor FCM-MB40 v1.2.0.0 devices allows remote attackers to execute arbitrary commands via manipulated parameters in CGI scripts, such as sed injection in specific scripts.

Affected Systems and Versions

Affected Product: Dynacolor FCM-MB40 v1.2.0.0
Affected Version: Not applicable

Exploitation Mechanism

The vulnerability is exploited by manipulating a specific parameter in CGI scripts, particularly in the cgi-bin/camctrl_save_profile.cgi script (save parameter) and the cgi-bin/ddns.cgi script.

Mitigation and Prevention

Protecting systems from CVE-2019-13398 is crucial to prevent unauthorized access and potential harm.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Implement network segmentation to limit exposure.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security assessments and penetration testing.
Educate users on safe computing practices.

Patching and Updates

Ensure that all devices are updated with the latest patches and firmware releases to mitigate the vulnerability effectively.