EUVD-2024-55333

Comprehensive Technical Analysis of EUVD-2024-55333

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2024-55333 pertains to Compuware iStrobe Web version 20.13. It involves a pre-authentication remote code execution (RCE) vulnerability facilitated through a path traversal flaw in the file upload form. This vulnerability allows unauthenticated attackers to upload malicious JSP files and execute arbitrary commands by exploiting the 'fileName' parameter.

Severity Evaluation:

• Base Score: 9.2 (CVSS 4.0)
• Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

The high base score indicates a critical vulnerability due to the following factors:

• Attack Vector (AV): Network (N)
• Attack Complexity (AC): Low (L)
• Privileges Required (PR): None (N)
• User Interaction (UI): None (N)
• Confidentiality (VC), Integrity (VI), and Availability (VA): High (H)

This combination suggests that the vulnerability can be easily exploited over the network without requiring any special privileges or user interaction, leading to significant impacts on confidentiality, integrity, and availability.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Unauthenticated Access: Attackers can exploit the vulnerability without needing any credentials.
• File Upload Form: The primary attack vector is the file upload form, which allows for path traversal.

Exploitation Methods:

• Path Traversal: Attackers can manipulate the 'fileName' parameter to traverse directories and upload malicious JSP files.
• Web Shell Upload: Once the malicious JSP file is uploaded, it acts as a web shell, allowing attackers to execute arbitrary commands on the server.
• POST Requests: Attackers can send POST requests to the uploaded JSP endpoint to execute commands.

3. Affected Systems and Software Versions

Affected Software:

• Product: Compuware iStrobe Web
• Version: 20.13

Vendor:

• BMC Software

All systems running Compuware iStrobe Web version 20.13 are vulnerable to this exploit.

4. Recommended Mitigation Strategies

Immediate Actions:

• Patching: Apply the latest security patches provided by BMC Software.
• Access Control: Implement strict access controls to limit exposure of the file upload form.
• Input Validation: Enhance input validation to prevent path traversal attacks.
• Monitoring: Increase monitoring for suspicious file upload activities and unusual POST requests.

Long-Term Strategies:

• Regular Updates: Ensure regular updates and patches are applied to all software.
• Security Audits: Conduct regular security audits and vulnerability assessments.
• User Training: Train users and administrators on best practices for file uploads and input validation.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to organizations using Compuware iStrobe Web, particularly those in critical sectors such as finance, healthcare, and government. The ease of exploitation and the potential for unauthenticated RCE can lead to widespread data breaches, service disruptions, and loss of sensitive information. This underscores the need for robust cybersecurity measures and continuous monitoring across the European cybersecurity landscape.

6. Technical Details for Security Professionals

Exploit Details:

• Parameter: 'fileName'
• Exploit Method: Path traversal to upload malicious JSP files.
• Command Execution: Sending POST requests to the uploaded JSP endpoint to execute arbitrary commands.

Detection and Response:

• Log Analysis: Monitor server logs for unusual file upload activities and POST requests.
• Intrusion Detection Systems (IDS): Implement IDS to detect and alert on suspicious activities related to file uploads and command execution.
• Incident Response: Develop an incident response plan to quickly identify and mitigate any exploitation attempts.

References:

• Exploit Database Entry
• BMC Software Official Website
• BMC Software Support
• VulnCheck Advisory
• NVD Entry

Aliases:

• CVE-2024-58298

Assigner:

• VulnCheck

EPSS:

• N/A

ENISA IDs:

• Product: b451e85b-9da9-30d7-a414-986f2a31c759
• Vendor: 04c15588-ffd0-3372-9a14-8e6e944f81ba

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