EUVD-2023-31326

Comprehensive Technical Analysis of EUVD-2023-31326

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2023-31326 affects the Galaxy open-source data analysis platform. The issue is an insufficient permission check that allows unauthorized modification, deletion, copying, or importing of Galaxy Visualizations and Pages. The severity of this vulnerability is rated with a CVSS Base Score of 9.1, which is considered critical. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H indicates the following:

• Attack Vector (AV:N): Network, meaning the vulnerability can be exploited remotely.
• Attack Complexity (AC:L): Low, indicating that the attack does not require special 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:N): None, indicating no confidentiality impact.
• Integrity (I:H): High, indicating a significant impact on data integrity.
• Availability (A:H): High, indicating a significant impact on system availability.

2. Potential Attack Vectors and Exploitation Methods

An attacker can exploit this vulnerability by:

• Identifying Encoded IDs: The attacker needs to know the encoded IDs of the Visualizations or Pages they wish to target.
• Unauthorized Actions: Once the encoded IDs are known, the attacker can perform unauthorized actions such as modifying, deleting, copying, or importing Visualizations and Pages.
• Remote Exploitation: Given the network attack vector, the attacker can perform these actions remotely without needing physical access to the system.

3. Affected Systems and Software Versions

The vulnerability affects:

• All supported versions of Galaxy prior to 22.01, 22.05, and 23.0.
• Unsupported versions are likely affected as far back as the functionality of Visualizations/Pages exists.

4. Recommended Mitigation Strategies

To mitigate this vulnerability, the following steps are recommended:

• Apply Patches: Immediately apply the available patches for versions 22.01, 22.05, and 23.0. The patches can be found at the provided references.
• Restart Server Processes: After applying the patches, restart all Galaxy server processes to ensure the changes take effect.
• Monitor and Audit: Implement monitoring and auditing to detect any unauthorized access or modifications to Visualizations and Pages.
• Access Controls: Review and strengthen access controls to ensure only authorized users can perform actions on Visualizations and Pages.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to organizations using the Galaxy platform, particularly those in the European Union. The potential for unauthorized modification or deletion of data can lead to data integrity issues, loss of critical information, and disruption of services. Given the critical nature of the vulnerability, it is essential for organizations to prioritize patching and implementing robust security measures to protect against potential exploitation.

6. Technical Details for Security Professionals

• Vulnerability Type: Insufficient permission check.
• Affected Components: Visualizations and Pages in the Galaxy platform.
• Exploitation Requirements: Knowledge of encoded IDs of Visualizations or Pages.
• Patch Availability: Patches are available for versions 22.01, 22.05, and 23.0.
• References:
  • GitHub Security Advisory
  • Patch for Version 22.01
  • Patch for Version 22.05
  • Patch for Version 23.0

Conclusion

EUVD-2023-31326 is a critical vulnerability affecting the Galaxy platform, with significant implications for data integrity and system availability. Organizations using Galaxy should prioritize applying the available patches and implementing additional security measures to mitigate the risk of exploitation. The European cybersecurity landscape requires vigilance and proactive measures to protect against such vulnerabilities.