EUVD-2023-3270

Comprehensive Technical Analysis of EUVD-2023-3270

1. Vulnerability Assessment and Severity Evaluation

EUVD ID: EUVD-2023-3270 Description: This vulnerability enables malicious users to read sensitive files on the server. Base Score: 10.0 Base Score Version: 3.0 Base Score Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L

The CVSS (Common Vulnerability Scoring System) vector indicates a critical vulnerability:

• AV:N (Attack Vector: Network): The vulnerability is exploitable over the network.
• AC:L (Attack Complexity: Low): The attack requires low complexity to exploit.
• PR:N (Privileges Required: None): No privileges are required to exploit the vulnerability.
• UI:N (User Interaction: None): No user interaction is required.
• S:C (Scope: Changed): The vulnerability affects a different security scope.
• C:H (Confidentiality: High): There is a high impact on confidentiality.
• I:H (Integrity: High): There is a high impact on integrity.
• A:L (Availability: Low): There is a low impact on availability.

The base score of 10.0 indicates a critical vulnerability that poses a significant risk to affected systems.

2. Potential Attack Vectors and Exploitation Methods

Given the CVSS vector, potential attack vectors include:

• Network-based attacks: Exploitation can occur remotely over the network without requiring physical access or user interaction.
• Low complexity: The attack does not require sophisticated techniques or tools, making it accessible to a wide range of attackers.
• No privileges required: The attacker does not need any special privileges to exploit the vulnerability.

Exploitation methods may involve:

• Unauthorized access: Attackers can exploit the vulnerability to gain unauthorized access to sensitive files on the server.
• Data exfiltration: Once access is gained, attackers can exfiltrate sensitive data, leading to data breaches.

3. Affected Systems and Software Versions

Affected Product: mlflow/mlflow Affected Versions: Unspecified versions <2.9.2

All versions of mlflow/mlflow prior to 2.9.2 are affected by this vulnerability. Organizations using these versions are at risk and should prioritize updating to a patched version.

4. Recommended Mitigation Strategies

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

• Update to the latest version: Upgrade to mlflow/mlflow version 2.9.2 or later, which includes the necessary patches to address this vulnerability.
• Network segmentation: Implement network segmentation to limit the exposure of vulnerable systems to potential attackers.
• Access controls: Enforce strict access controls and authentication mechanisms to restrict unauthorized access.
• Monitoring and logging: Implement robust monitoring and logging to detect and respond to any suspicious activities.
• Regular security audits: Conduct regular security audits and vulnerability assessments to identify and address potential security weaknesses.

5. Impact on European Cybersecurity Landscape

The critical nature of this vulnerability poses a significant risk to organizations within the European Union, particularly those handling sensitive data. The potential for data breaches and unauthorized access can lead to:

• Data breaches: Compromise of sensitive information, leading to financial and reputational damage.
• Compliance issues: Violation of data protection regulations such as GDPR, resulting in legal and financial penalties.
• Operational disruptions: Impact on the availability and integrity of systems, leading to operational disruptions and potential loss of service.

6. Technical Details for Security Professionals

References:

• NVD Entry
• GitHub Commit
• GitHub Repository
• Huntr Bounty

Aliases:

• CVE-2023-6977
• GHSA-qg8p-32gr-gh6x

Assigner: @huntr_ai EPSS (Exploit Prediction Scoring System): 45

ENISA ID Product:

• ID: 8230a6ff-1958-39d2-939f-60262ba68b46
  • Product: mlflow/mlflow
  • Version: Unspecified <2.9.2
• ID: 9eb55602-3ebf-3ff8-a1e9-5907705c8731
  • Product: mlflow/mlflow

ENISA ID Vendor:

• ID: 44c4fa5e-bc0d-3d43-9611-11c241837280
  • Vendor: mlflow

Security professionals should prioritize addressing this vulnerability due to its critical nature and the potential for significant impact on affected systems. Regular updates, monitoring, and adherence to best security practices are essential to mitigate the risks associated with this vulnerability.