EUVD-2024-1153

Comprehensive Technical Analysis of EUVD-2024-1153

1. Vulnerability Assessment and Severity Evaluation

The vulnerability EUVD-2024-1153, also known as CVE-2024-31866, pertains to an "Improper Encoding or Escaping of Output" issue in Apache Zeppelin. This vulnerability allows attackers to execute shell scripts or malicious code by manipulating configuration settings such as ZEPPELIN_INTP_CLASSPATH_OVERRIDES. The severity of this vulnerability is rated with a CVSS Base Score of 9.8, indicating a critical risk. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H highlights the following characteristics:

• Attack Vector (AV): Network (N) - The vulnerability can be exploited remotely over the network.
• Attack Complexity (AC): Low (L) - The attack requires minimal skill or resources to exploit.
• Privileges Required (PR): None (N) - No special privileges are needed to exploit the vulnerability.
• User Interaction (UI): None (N) - No user interaction is required for the attack to succeed.
• 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.

2. Potential Attack Vectors and Exploitation Methods

Attackers can exploit this vulnerability by:

• Configuration Manipulation: Overriding configuration settings like ZEPPELIN_INTP_CLASSPATH_OVERRIDES to inject malicious code or scripts.
• Remote Code Execution: Executing arbitrary shell scripts or code on the affected system, leading to unauthorized access and potential data breaches.
• Network-Based Attacks: Leveraging the network attack vector to remotely exploit the vulnerability without requiring physical access to the system.

3. Affected Systems and Software Versions

The vulnerability affects Apache Zeppelin versions from 0.8.2 up to, but not including, 0.11.1. Users running any version within this range are at risk and should take immediate action to mitigate the threat.

4. Recommended Mitigation Strategies

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

• Upgrade to Version 0.11.1: Users should upgrade to Apache Zeppelin version 0.11.1, which includes the fix for this vulnerability.
• Configuration Hardening: Review and harden configuration settings to prevent unauthorized modifications.
• Network Security: Implement robust network security measures, including firewalls and intrusion detection systems, to monitor and block suspicious activities.
• Regular Patching: Ensure that all software components are regularly updated and patched to address known vulnerabilities.
• User Education: Educate users about the risks and best practices for maintaining secure configurations and avoiding unauthorized modifications.

5. Impact on European Cybersecurity Landscape

The critical nature of this vulnerability poses significant risks to organizations within the European Union, particularly those relying on Apache Zeppelin for data analytics and visualization. The potential for remote code execution and data breaches can lead to severe consequences, including:

• Data Breaches: Unauthorized access to sensitive data, leading to potential GDPR violations and financial penalties.
• Operational Disruptions: Compromised systems can result in operational downtime and financial losses.
• Reputation Damage: Organizations may suffer reputational damage due to security incidents and data breaches.

6. Technical Details for Security Professionals

For security professionals, the following technical details are essential:

• Vulnerability Identification: The vulnerability is identified by EUVD-2024-1153, CVE-2024-31866, and GHSA-86jx-wr74-xr74.

• References:

  • NVD Entry
  • GitHub Pull Request
  • GitHub Commit
  • Apache Zeppelin Repository
  • Apache Mailing List
  • Openwall Security List

• Assigner: Apache Software Foundation

• ENISA IDs:

  • Product: Apache Zeppelin (ID: 506349c5-c246-36c5-a1df-e714abfe9e0d)
  • Vendor: Apache Software Foundation (ID: 2920a110-8e40-3129-8262-c2f60a97c65d)

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