Description
An attacker with access to the network where CIRCUTOR Q-SMT is located in its firmware version 1.0.4, could steal the tokens used on the web, since these have no expiration date to access the web application without restrictions. Token theft can originate from different methods such as network captures, locally stored web information, etc.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2024-49458
1. Vulnerability Assessment and Severity Evaluation
The vulnerability described in EUVD-2024-49458 pertains to the CIRCUTOR Q-SMT device running firmware version 1.0.4. The primary issue is the lack of expiration dates for tokens used in the web application, which allows an attacker to steal these tokens and gain unrestricted access to the web application.
Severity Evaluation:
- CVSS Base Score: 10.0
- CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
The CVSS score of 10.0 indicates a critical vulnerability. The vector breakdown shows that the attack can be executed over the network (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). The scope change (S:C) indicates that the vulnerability affects components beyond the initial security scope.
2. Potential Attack Vectors and Exploitation Methods
Attack Vectors:
- Network Captures: An attacker can capture network traffic to intercept tokens.
- Locally Stored Web Information: Tokens stored in browser caches or local storage can be stolen.
- Man-in-the-Middle (MitM) Attacks: Intercepting tokens during transmission.
- Cross-Site Scripting (XSS): Exploiting XSS vulnerabilities to steal tokens from the user's browser.
Exploitation Methods:
- Network Sniffing: Using tools like Wireshark to capture network traffic and extract tokens.
- Browser Exploitation: Accessing locally stored tokens through browser vulnerabilities or malicious extensions.
- MitM Tools: Utilizing tools like Ettercap or Bettercap to intercept tokens.
- XSS Payloads: Injecting malicious scripts to steal tokens from the user's session.
3. Affected Systems and Software Versions
Affected Systems:
- CIRCUTOR Q-SMT devices
Software Versions:
- Firmware version 1.0.4
4. Recommended Mitigation Strategies
- Firmware Update: Immediately update to a patched firmware version that includes token expiration and enhanced security measures.
- Network Segmentation: Isolate the CIRCUTOR Q-SMT devices on a separate network segment to limit exposure.
- Encryption: Ensure all communications are encrypted using protocols like TLS to prevent token interception.
- Token Management: Implement token expiration and rotation policies to minimize the impact of stolen tokens.
- Regular Audits: Conduct regular security audits and vulnerability assessments to identify and mitigate similar issues.
- User Education: Train users to recognize and avoid phishing attempts and other social engineering tactics.
5. Impact on European Cybersecurity Landscape
The vulnerability in CIRCUTOR Q-SMT devices poses a significant risk to European organizations, particularly those in critical infrastructure sectors such as energy and manufacturing. Unauthorized access to these devices can lead to data breaches, operational disruptions, and potential safety hazards. The high CVSS score underscores the urgency for immediate remediation to prevent widespread exploitation.
6. Technical Details for Security Professionals
Token Management Best Practices:
- Expiration: Implement token expiration times to limit the window of opportunity for attackers.
- Rotation: Regularly rotate tokens to invalidate any stolen tokens.
- Secure Storage: Store tokens securely using encryption and limit access to authorized components only.
Network Security Measures:
- Intrusion Detection Systems (IDS): Deploy IDS to monitor for suspicious activities and potential token theft attempts.
- Firewalls: Configure firewalls to restrict access to the CIRCUTOR Q-SMT devices.
- VPNs: Use VPNs for secure remote access to the devices.
Incident Response:
- Detection: Implement logging and monitoring to detect unauthorized access attempts.
- Response: Have an incident response plan in place to quickly address any security breaches.
- Recovery: Ensure backups and recovery procedures are in place to restore normal operations.
References:
By addressing this vulnerability promptly and comprehensively, organizations can significantly reduce the risk of unauthorized access and potential disruptions to their operations.