EUVD-2024-38126

Comprehensive Technical Analysis of EUVD-2024-38126

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2024-38126 pertains to an "Improper Limitation of a Pathname to a Restricted Directory" ('Path Traversal') issue in CridioStudio's ListingPro plugin. This vulnerability allows for PHP Local File Inclusion (LFI), which can be exploited to read arbitrary files on the server. The CVSS (Common Vulnerability Scoring System) base score of 9.0 indicates a critical severity level. The CVSS vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H breaks down as follows:

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

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector for this vulnerability is through crafted HTTP requests that manipulate pathnames to traverse directories and include local files. An attacker could exploit this vulnerability by:

• Directory Traversal: Constructing URLs that include sequences like ../../ to navigate out of the intended directory and access sensitive files.
• Local File Inclusion: Including PHP files from the server, which could lead to code execution if the included file contains PHP code.
• Information Disclosure: Reading configuration files, source code, or other sensitive files that could contain credentials or other critical information.

3. Affected Systems and Software Versions

The vulnerability affects CridioStudio's ListingPro plugin versions from n/a through 2.9.3. Any system running these versions of the plugin is at risk. This includes WordPress installations where the ListingPro plugin is active.

4. Recommended Mitigation Strategies

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

• Update the Plugin: Immediately update the ListingPro plugin to a version that addresses this vulnerability.
• Input Validation: Implement strict input validation to ensure that pathnames do not include directory traversal sequences.
• Access Controls: Restrict access to sensitive files and directories using appropriate file permissions and access controls.
• Web Application Firewalls (WAF): Deploy WAFs to detect and block attempts at directory traversal and local file inclusion.
• Monitoring and Logging: Enhance monitoring and logging to detect unusual file access patterns that may indicate an exploitation attempt.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to organizations within the European Union that use the affected plugin. Given the critical nature of the vulnerability, it could lead to data breaches, unauthorized access, and potential compliance issues with regulations such as GDPR. Organizations must prioritize patching and mitigation efforts to protect sensitive data and maintain compliance.

6. Technical Details for Security Professionals

For security professionals, the following technical details are pertinent:

• Vulnerability Type: Path Traversal leading to Local File Inclusion.
• Affected Component: CridioStudio ListingPro plugin.
• Exploitation: The vulnerability can be exploited by sending specially crafted HTTP requests that manipulate pathnames.
• Detection: Look for unusual file access patterns in server logs, particularly requests containing directory traversal sequences.
• Mitigation: Ensure that the plugin is updated to a patched version. Implement input validation and access controls to prevent unauthorized file access.

Conclusion

EUVD-2024-38126 highlights a critical vulnerability in the CridioStudio ListingPro plugin that could be exploited for local file inclusion. Organizations must take immediate action to update the plugin and implement additional security measures to mitigate the risk. The potential impact on confidentiality, integrity, and availability underscores the importance of prompt and effective mitigation strategies.

References

• Patchstack Vulnerability Database
• CVE ID: CVE-2024-39619
• Assigner: Patchstack
• ENISA ID Product: c81f3d41-275a-3fd0-bad7-ce8908ec3f6a
• ENISA ID Vendor: ff0f1462-e5b7-3da4-8d3f-67b354c37718

This analysis provides a comprehensive overview for cybersecurity professionals to understand and address the vulnerability effectively.