Introduction
In today’s interconnected world, the security of critical infrastructure is more important than ever. As organizations increasingly rely on sophisticated devices to maintain operations, vulnerabilities in these systems can pose significant risks. One such vulnerability that has recently come to light is CVE-2024-12286. This blog aims to provide a detailed examination of this critical security flaw, its potential impacts, and the steps organizations can take to safeguard against it.
What is CVE-2024-12286?
CVE-2024-12286 is a significant security flaw identified in the MOBATIME Network Master Clock – DTS 4801. This device is crucial for synchronizing time across various systems, making it indispensable in sectors like healthcare, transportation, and public health
Technical Details
The vulnerability stems from the use of default credentials in the SSH (Secure Shell) protocol, which can be exploited by attackers to gain initial access to the system. Once inside, attackers can potentially take control of the operating system. This vulnerability has been assigned a CVSS v3.1 base score of 9.8, reflecting its critical nature. The CVSS vector string for this vulnerability is AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Risk Evaluation
Exploiting CVE-2024-12286 could allow an attacker to:
- Gain unauthorized access to the system.
- Execute arbitrary commands.
- Compromise the system’s integrity and availability.
Given the MOBATIME Network Master Clock’s role in time synchronization, such an exploit could have widespread consequences, potentially disrupting operations in critical infrastructure sectors.
Affected Products
The following versions of the MOBATIME Network Master Clock – DTS 4801 are affected:
- Firmware Version 00020419.01.02020154.
More About the MOBATIME Network Master Clock
The MOBATIME Network Master Clock – DTS 4801 is designed specifically for network environments. It serves as an accurate NTP (Network Time Protocol) time reference, ensuring precise time synchronization across various systems. Key features includes:
- Multiple Outputs: The device supports various outputs, including DCF/pulse/frequency current loop, MOBALine, and serial outputs.
- Power Supply: It operates on both AC (90-240 VAC) and DC (24-28 VDC) power inputs.
- High Precision: The clock provides high precision time synchronization, with typical accuracy of less than ±0.5 milliseconds for NTP clients.
- Interfaces: It includes interfaces for Ethernet (10/100 Mbps), serial communication (RS 232/RS 485), and supports protocols such as NTP, DCF, and MOBALine.
- Security Features: The device supports secure communication via SSH and can be managed through Telnet or SNMP.
Impacts of CVE-2024-12286
The impacts of this vulnerability are profound, particularly for organizations that rely on precise time synchronization. Potential impacts include:
- Operational Disruption: Unauthorized access could disrupt time synchronization, affecting operations in sectors like healthcare and transportation.
- Data Integrity: Attackers could alter time settings, leading to data integrity issues, which are crucial in sectors that depend on accurate timestamps.
- Security Breaches: Compromised systems could serve as entry points for further attacks, leading to broader security breaches.
Preparing for Vulnerabilities Like CVE-2024-12286
To prepare for and mitigate the risks associated with vulnerabilities like CVE-2024-12286, companies should adopt a proactive cybersecurity strategy:
- Regular Updates and Patching: Ensure all systems and devices are regularly updated with the latest firmware and security patches.
- Change Default Credentials: Immediately change any default credentials to strong, unique passwords.
- Network Segmentation: Minimize network exposure for all control system devices and ensure they are not accessible from the internet.
- Use Firewalls: Place control system networks and remote devices behind firewalls and isolate them from business networks.
- Secure Remote Access: When remote access is required, use secure methods such as Virtual Private Networks (VPNs). Ensure VPNs are updated to the latest version1.
- Conduct Regular Security Audits: Regularly audit systems for vulnerabilities and compliance with security policies.
- Employee Training: Train employees on cybersecurity best practices and the importance of maintaining strong, unique passwords.
Conclusion
CVE-2024-12286 underscores the importance of securing critical infrastructure devices against unauthorized access. By understanding the nature of this vulnerability and implementing the recommended mitigation strategies, organizations can significantly reduce the risk of exploitation and enhance their overall cybersecurity posture.
Stay vigilant and proactive in your cybersecurity efforts to protect your systems and data from emerging threats.
References
https://www.cve.org/CVERecord?id=CVE-2024-12286
https://www.cisa.gov/news-events/ics-advisories/icsa-24-345-01
