CVE-2019-6542 : Vulnerability Insights and Analysis

CVE-2019-6542 was published on March 28, 2019, by ICS-CERT. It affects ENTTEC products Datagate MK2, Storm 24, and Pixelator, allowing unauthorized remote system reboots.

Understanding CVE-2019-6542

This CVE involves missing authentication for critical functions in ENTTEC devices, potentially leading to denial of service attacks.

What is CVE-2019-6542?

The vulnerability in Datagate MK2, Storm 24, and Pixelator firmware versions prior to specific updates allows unauthorized users to trigger remote reboots, posing a risk of denial of service.

The Impact of CVE-2019-6542

The vulnerability enables attackers to remotely initiate system reboots, disrupting services and potentially causing denial of service situations.

Technical Details of CVE-2019-6542

ENTTEC products are susceptible to unauthorized remote reboots due to missing authentication for critical functions.

Vulnerability Description

The flaw in firmware versions before specific updates allows unauthenticated users to trigger remote reboots, potentially leading to denial of service.

Affected Systems and Versions

Datagate MK2: Firmware version < 70044_update_05032019-482
Storm 24: Firmware version < 70050_update_05032019-482
Pixelator: Firmware version < 70060_update_05032019-482

Exploitation Mechanism

Unauthorized users can exploit the vulnerability by remotely triggering system reboots, causing service disruptions.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2019-6542.

Immediate Steps to Take

Update affected devices to the latest firmware versions that address the vulnerability.
Implement network segmentation to limit access to vulnerable devices.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.
Educate users on best security practices to prevent unauthorized access.
Implement strong authentication mechanisms to control access to critical functions.

Patching and Updates

ENTTEC has released updates to address the vulnerability. Ensure all affected devices are promptly patched to prevent exploitation.