EUVD-2024-49505

Comprehensive Technical Analysis of EUVD-2024-49505

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2024-49505 affects PTZOptics PT30X-SDI/NDI-xx cameras running firmware versions prior to 6.3.40. The issue is classified as an insufficient authentication vulnerability, where the camera does not properly enforce authentication for requests to /cgi-bin/param.cgi when the HTTP Authorization header is missing. This allows remote, unauthenticated attackers to access sensitive data and modify configurations.

Severity Evaluation:

• CVSS Base Score: 9.1
• CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

The high base score of 9.1 indicates a critical vulnerability. The CVSS vector breakdown shows that the vulnerability can be exploited over the network (AV:N), requires low complexity (AC:L), does not require privileges (PR:N) or user interaction (UI:N), and has a high impact on confidentiality (C:H) and integrity (I:H), with no direct impact on availability (A:N).

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Remote Unauthenticated Access: An attacker can send HTTP requests to /cgi-bin/param.cgi without the Authorization header, bypassing authentication mechanisms.
• Data Exfiltration: Sensitive data such as usernames, password hashes, and configuration details can be leaked.
• Configuration Tampering: The attacker can update individual configuration values or overwrite the entire configuration file, potentially leading to unauthorized changes in camera settings.

Exploitation Methods:

• Network Scanning: Attackers can scan for vulnerable PTZOptics cameras on the network.
• HTTP Requests: Crafted HTTP requests can be sent to the vulnerable endpoint to extract sensitive information or modify configurations.
• Automated Scripts: Automated scripts can be used to exploit the vulnerability en masse, targeting multiple cameras simultaneously.

3. Affected Systems and Software Versions

Affected Products:

• PTZOptics PT30X-SDI
• PTZOptics PT30X-NDI

Affected Firmware Versions:

• All versions prior to 6.3.40

4. Recommended Mitigation Strategies

Immediate Actions:

• Firmware Update: Upgrade the firmware to version 6.3.40 or later to mitigate the vulnerability.
• Network Segmentation: Isolate vulnerable cameras from public networks to limit exposure.
• Access Control: Implement strict access controls and monitor network traffic for unauthorized access attempts.

Long-Term Strategies:

• Regular Patching: Establish a regular patching and update schedule for all networked devices.
• Security Audits: Conduct regular security audits and vulnerability assessments.
• Intrusion Detection: Deploy intrusion detection systems (IDS) to monitor for suspicious activity.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to organizations and individuals using PTZOptics cameras within the European Union. The potential for unauthorized access and configuration tampering can lead to data breaches, loss of sensitive information, and disruption of services. This underscores the importance of robust cybersecurity measures and timely patch management to protect critical infrastructure and personal data.

6. Technical Details for Security Professionals

Vulnerability Details:

• Endpoint: /cgi-bin/param.cgi
• Authentication Bypass: Requests without the HTTP Authorization header are not properly authenticated.
• Data Leakage: Sensitive data such as usernames, password hashes, and configuration details can be accessed.
• Configuration Modification: Attackers can update individual configuration values or overwrite the entire configuration file.

Detection and Response:

• Log Analysis: Monitor logs for unauthorized access attempts to /cgi-bin/param.cgi.
• Network Monitoring: Use network monitoring tools to detect unusual traffic patterns.
• Incident Response: Develop an incident response plan to address potential breaches and ensure timely remediation.

References:

• PTZOptics Firmware Changelog
• VulnCheck Advisory

Aliases:

• CVE-2024-8956

Assigner:

• VulnCheck

EPSS Score:

• 63 (indicating a moderate likelihood of exploitation)

ENISA IDs:

• Product: PT30X-SDI, PT30X-NDI
• Vendor: PTZOptics

By addressing this vulnerability promptly and implementing robust security measures, organizations can significantly reduce the risk of exploitation and protect their critical assets.