CVE-2019-18247 : Vulnerability Insights and Analysis

A potential threat actor can trigger a system reboot on Relion 650 and 670 Series, potentially leading to a denial of service scenario.

Understanding CVE-2019-18247

This CVE involves improper input validation, allowing attackers to force system reboots on specific Relion series devices.

What is CVE-2019-18247?

CVE-2019-18247 enables attackers to induce system reboots on Relion 650 and 670 Series devices by sending a crafted message, potentially causing denial of service.

The Impact of CVE-2019-18247

Exploitation of this vulnerability can lead to disruptive system reboots, affecting the availability of the affected devices and potentially causing service disruptions.

Technical Details of CVE-2019-18247

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability stems from improper input validation, allowing threat actors to send specially crafted messages that trigger system reboots on vulnerable Relion 650 and 670 Series devices.

Affected Systems and Versions

Product: Relion 650 and 670 Series
Affected Versions: Relion 650 series versions 1.3.0.5 and earlier, Relion 670 series versions 1.2.3.18, 2.0.0.11, 2.1.0.1 and earlier

Exploitation Mechanism

Threat actors exploit the vulnerability by sending specifically designed messages to the affected devices, forcing them to reboot and potentially causing denial of service.

Mitigation and Prevention

Protecting systems from CVE-2019-18247 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly to mitigate the vulnerability.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate system administrators and users about security best practices to prevent successful exploitation of known vulnerabilities.
Keep systems up to date with the latest security patches and updates to address potential vulnerabilities.
Implement intrusion detection and prevention systems to detect and block malicious activities.
Consider implementing additional security measures such as firewalls and access controls to enhance overall system security.

Patching and Updates

Regularly check for security advisories from the vendor and apply patches as soon as they are available to ensure system security and prevent exploitation of known vulnerabilities.