EUVD-2024-54957

Comprehensive Technical Analysis of EUVD-2024-54957

1. Vulnerability Assessment and Severity Evaluation

The vulnerability identified as EUVD-2024-54957 pertains to an "Incorrect Default Permissions" issue in Apache DolphinScheduler. This vulnerability affects versions of Apache DolphinScheduler prior to 3.2.2. The severity of this vulnerability is rated with a CVSS Base Score of 9.8, which is considered critical. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H indicates the following:

• Attack Vector (AV:N): Network, meaning the vulnerability is exploitable remotely.
• Attack Complexity (AC:L): Low, indicating that the attack does not require specialized conditions.
• Privileges Required (PR:N): None, meaning no privileges are required to exploit the vulnerability.
• User Interaction (UI:N): None, indicating that no user interaction is required.
• Scope (S:U): Unchanged, meaning the vulnerability does not affect other systems.
• Confidentiality (C:H): High impact on confidentiality.
• Integrity (I:H): High impact on integrity.
• Availability (A:H): High impact on availability.

Given these metrics, the vulnerability poses a significant risk to systems running affected versions of Apache DolphinScheduler.

2. Potential Attack Vectors and Exploitation Methods

The "Incorrect Default Permissions" vulnerability can be exploited in several ways:

• Unauthorized Access: Attackers can gain unauthorized access to sensitive data or system functionalities due to overly permissive default permissions.
• Privilege Escalation: Attackers may escalate their privileges to perform actions that should be restricted to administrative users.
• Data Manipulation: Attackers can modify or delete data, leading to data integrity issues.
• Denial of Service (DoS): Attackers can disrupt the normal operation of the system, making it unavailable to legitimate users.

Exploitation methods may include:

• Network Scanning: Identifying vulnerable systems through network scanning tools.
• Exploit Scripts: Using pre-written scripts or tools to automate the exploitation process.
• Manual Exploitation: Manually altering permissions and accessing restricted areas.

3. Affected Systems and Software Versions

The vulnerability affects Apache DolphinScheduler versions prior to 3.2.2. Specifically, the ENISA ID Product indicates that versions "0 < 3.2.2" are vulnerable. Organizations using these versions should prioritize upgrading to a patched version.

4. Recommended Mitigation Strategies

To mitigate the risk associated with this vulnerability, the following strategies are recommended:

• Upgrade to Version 3.3.1: The primary mitigation strategy is to upgrade to Apache DolphinScheduler version 3.3.1, which includes the fix for this vulnerability.
• Permission Review: Conduct a thorough review of all permissions and access controls to ensure they are set according to the principle of least privilege.
• Network Segmentation: Implement network segmentation to limit the exposure of vulnerable systems.
• Monitoring and Logging: Enhance monitoring and logging to detect any suspicious activities that may indicate an attempt to exploit this vulnerability.
• Regular Security Audits: Conduct regular security audits to identify and address any potential vulnerabilities.

5. Impact on European Cybersecurity Landscape

The impact of this vulnerability on the European cybersecurity landscape is significant due to the widespread use of Apache DolphinScheduler in various industries. Organizations that rely on this software for workflow scheduling and management are at risk of data breaches, service disruptions, and potential compliance violations. The high CVSS score underscores the urgency for immediate action to mitigate the risk.

6. Technical Details for Security Professionals

For security professionals, the following technical details are pertinent:

• Vulnerability Identification: The vulnerability is identified as CVE-2024-43166 and is assigned by the Apache Software Foundation.
• Reference Information: Additional information can be found in the Apache mailing list thread referenced in the EUVD entry.
• Patch Availability: The patch is available in Apache DolphinScheduler version 3.3.1.
• Detection Methods: Use vulnerability scanning tools to detect the presence of vulnerable versions. Implement intrusion detection systems (IDS) to monitor for suspicious activities.
• Incident Response: Develop an incident response plan that includes steps for identifying, containing, and remediating the vulnerability. Ensure that backup and recovery procedures are in place to minimize downtime in case of an attack.

By addressing this vulnerability promptly and comprehensively, organizations can significantly reduce the risk of exploitation and maintain the integrity and security of their systems.