EUVD-2024-36051

Comprehensive Technical Analysis of EUVD-2024-36051

1. Vulnerability Assessment and Severity Evaluation

The vulnerability identified in the EUVD entry EUVD-2024-36051 pertains to the MileSight DeviceHub, specifically the use of insufficiently random values (CWE-330). This weakness can potentially allow for authentication bypass, which is a critical security issue. The CVSS (Common Vulnerability Scoring System) base score of 9.8 indicates a high severity level. The scoring vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H breaks down as follows:

• Attack Vector (AV): Network (N) - The vulnerability is exploitable over the network.
• Attack Complexity (AC): Low (L) - The attack requires minimal complexity to execute.
• Privileges Required (PR): None (N) - No privileges are required to exploit the vulnerability.
• User Interaction (UI): None (N) - No user interaction is required.
• Scope (S): Unchanged (U) - The vulnerability does not change the security scope.
• Confidentiality (C): High (H) - The vulnerability has a high impact on confidentiality.
• Integrity (I): High (H) - The vulnerability has a high impact on integrity.
• Availability (A): High (H) - The vulnerability has a high impact on availability.

Given these metrics, the vulnerability is considered critical and requires immediate attention.

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector for this vulnerability is the use of insufficiently random values in the authentication process. An attacker could exploit this weakness by:

• Predicting Random Values: If the random values used in authentication are predictable, an attacker could generate these values and bypass authentication mechanisms.
• Brute Force Attacks: With insufficient randomness, brute force attacks become more feasible, allowing attackers to guess the correct values more quickly.
• Replay Attacks: If the random values are reused or follow a predictable pattern, an attacker could capture and replay these values to gain unauthorized access.

3. Affected Systems and Software Versions

The affected system is the MileSight DeviceHub, specifically version v3.0.1-r1 running on Ubuntu 20.04. Users of this version are at risk and should upgrade to the latest version to mitigate the vulnerability.

4. Recommended Mitigation Strategies

To mitigate this vulnerability, the following strategies are recommended:

• Upgrade to the Latest Version: Users should upgrade to the latest version of MileSight DeviceHub, which includes patches for this vulnerability.
• Implement Strong Randomness: Ensure that the random values used in authentication are generated using a cryptographically secure random number generator (CSPRNG).
• Regular Security Audits: Conduct regular security audits to identify and address similar vulnerabilities.
• Network Segmentation: Implement network segmentation to limit the attack surface and reduce the risk of unauthorized access.
• Monitoring and Logging: Enhance monitoring and logging to detect and respond to any suspicious activities related to authentication bypass attempts.

5. Impact on European Cybersecurity Landscape

The vulnerability in MileSight DeviceHub poses a significant risk to the European cybersecurity landscape, particularly for organizations that rely on IoT (Internet of Things) devices managed by DeviceHub. The potential for authentication bypass can lead to unauthorized access, data breaches, and disruption of services. This underscores the importance of robust security practices and timely patch management in IoT ecosystems.

6. Technical Details for Security Professionals

For security professionals, the following technical details are pertinent:

• CWE-330: The vulnerability is classified under CWE-330, which involves the use of insufficiently random values. This can affect various aspects of the system, including session tokens, nonces, and other security-sensitive values.
• CVSS Scoring: The CVSS score of 9.8 highlights the critical nature of the vulnerability. Security teams should prioritize addressing this issue.
• References: For further information, refer to the provided link: https://www.gov.il/en/Departments/faq/cve_advisories.
• Aliases: The vulnerability is also known as CVE-2024-36389.
• Assigner: The vulnerability was assigned by INCD (Israel National Cyber Directorate).

In conclusion, the vulnerability in MileSight DeviceHub v3.0.1-r1 for Ubuntu 20.04 is critical and requires immediate attention. Organizations should prioritize upgrading to the latest version and implementing robust security measures to mitigate the risk of authentication bypass.