EUVD-2024-27311

Comprehensive Technical Analysis of EUVD-2024-27311

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2024-27311 is a path traversal flaw in the '/apply_settings' endpoint of the parisneo/lollms-webui application. This vulnerability allows attackers to execute arbitrary code due to insufficient sanitization of user-supplied input in the 'extensions' parameter. The severity of this vulnerability is rated with a CVSS Base Score of 9.8, which is considered critical. The CVSS vector (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) indicates that the vulnerability can be exploited remotely without any special privileges or user interaction, leading to high impact on confidentiality, integrity, and availability.

2. Potential Attack Vectors and Exploitation Methods

Attackers can exploit this vulnerability by crafting a payload that includes relative path traversal sequences such as '../../../'. This allows them to navigate to arbitrary directories on the server. By placing a malicious 'init.py' file in a directory that the server can access, attackers can achieve remote code execution (RCE). The attack vector involves:

• Path Traversal: Navigating to directories outside the intended scope.
• Arbitrary Code Execution: Loading and executing a malicious Python file.

3. Affected Systems and Software Versions

The vulnerability affects the latest version of parisneo/lollms-webui. Specifically, it impacts all versions up to and including the latest release. The ENISA ID Product entry confirms that the affected product is parisneo/lollms-webui with an unspecified version less than or equal to the latest.

4. Recommended Mitigation Strategies

To mitigate this vulnerability, the following strategies are recommended:

• Input Sanitization: Ensure that all user-supplied input is properly sanitized to prevent path traversal attacks.
• Access Controls: Implement strict access controls to limit the directories that can be accessed by the application.
• Patch Management: Apply the latest security patches and updates provided by the vendor.
• Monitoring and Logging: Enhance monitoring and logging to detect and respond to suspicious activities.
• Code Review: Conduct thorough code reviews to identify and fix similar vulnerabilities.

5. Impact on European Cybersecurity Landscape

The critical nature of this vulnerability poses a significant risk to organizations using the parisneo/lollms-webui application within the European Union. Given the potential for remote code execution, attackers could compromise sensitive data, disrupt services, and gain unauthorized access to systems. This underscores the importance of robust cybersecurity measures and timely patch management to protect against such threats.

6. Technical Details for Security Professionals

Vulnerability Details:

• Endpoint: '/apply_settings'
• Parameter: 'extensions'
• Exploit Method: Relative path traversal sequences ('../../../')
• Impact: Remote code execution via malicious 'init.py' file

Detection and Response:

• Intrusion Detection Systems (IDS): Configure IDS to detect and alert on path traversal attempts.
• File Integrity Monitoring (FIM): Implement FIM to monitor changes in critical directories and files.
• Incident Response Plan: Develop and maintain an incident response plan to quickly address any detected exploitation attempts.

References:

• Huntr Bounty: Huntr Bounty Link
• CVE: CVE-2024-2358
• GSD: GSD-2024-2358

Assigner: @huntr_ai

EPSS Score: 2 (indicating a low likelihood of exploitation in the wild, but still requiring attention due to the critical nature of the vulnerability)

ENISA IDs:

• Product: 252d5118-834a-3ca6-aba1-a79295d948a4
• Vendor: 0d471935-ff84-36e1-ac18-d38953a76f5d

By addressing this vulnerability promptly and effectively, organizations can significantly reduce the risk of a successful attack and maintain the integrity and security of their systems.