EUVD-2025-26663

Comprehensive Technical Analysis of EUVD-2025-26663

1. Vulnerability Assessment and Severity Evaluation

The vulnerability identified in the EUVD entry EUVD-2025-26663 affects the 5ire cross-platform desktop artificial intelligence assistant and model context protocol (MCP) client. The vulnerability is present in version 0.13.2 and allows for content injection attacks through multiple vectors. The severity of this vulnerability is rated with a CVSS Base Score of 9.7, which is considered critical.

CVSS Vector Breakdown:

• AV:N (Network Vector): The vulnerability can be exploited remotely over the network.
• AC:L (Low Complexity): The attack requires low skill or resources to exploit.
• PR:N (No Privileges Required): No privileges are required to exploit the vulnerability.
• UI:R (User Interaction Required): Some form of user interaction is required to trigger the exploit.
• S:C (Changed Scope): The vulnerability allows the attacker to affect a different security scope.
• C:H (High Confidentiality Impact): The vulnerability can result in a high level of confidentiality breach.
• I:H (High Integrity Impact): The vulnerability can result in a high level of integrity breach.
• A:H (High Availability Impact): The vulnerability can result in a high level of availability breach.

2. Potential Attack Vectors and Exploitation Methods

The vulnerability can be exploited through several vectors:

• Malicious Prompt Injection Pages: Attackers can craft malicious pages that, when accessed by users, inject harmful content into the chat page's script gadgets.
• Compromised MCP Servers: If an MCP server is compromised, it can be used to deliver malicious content to the client.
• Exploited Tool Integrations: Integrations with other tools that have been compromised can also be used to inject malicious content.

Exploitation Methods:

• Phishing Campaigns: Attackers can use phishing emails or messages to lure users into visiting malicious pages.
• Man-in-the-Middle (MitM) Attacks: Attackers can intercept and modify communications between the client and the MCP server.
• Supply Chain Attacks: Compromising third-party tools or libraries used by 5ire can also lead to exploitation.

3. Affected Systems and Software Versions

The vulnerability affects the following:

• 5ire Version 0.13.2
• All versions prior to 0.14.0

Users and organizations running these versions are at risk and should upgrade to version 0.14.0 or later to mitigate the vulnerability.

4. Recommended Mitigation Strategies

Immediate Actions:

• Upgrade to Version 0.14.0: Ensure all instances of 5ire are updated to version 0.14.0 or later, which contains the fix for this vulnerability.
• Network Segmentation: Isolate critical systems and limit network access to trusted sources.
• User Education: Train users to recognize and avoid phishing attempts and suspicious links.

Long-Term Strategies:

• Regular Patch Management: Implement a robust patch management program to ensure all software is up-to-date.
• Intrusion Detection Systems (IDS): Deploy IDS to monitor for suspicious activities and potential exploitation attempts.
• Secure Coding Practices: Ensure that all third-party integrations and custom scripts are thoroughly vetted and follow secure coding practices.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to European organizations and individuals using the 5ire AI assistant. Given the critical nature of the vulnerability, it could lead to:

• Data Breaches: Unauthorized access to sensitive information.
• Service Disruptions: Compromised systems could lead to downtime and loss of service.
• Reputation Damage: Organizations affected by this vulnerability could face reputational damage and loss of trust.

The European Union's focus on cybersecurity, as evidenced by initiatives like the EU Cybersecurity Act, underscores the importance of addressing such vulnerabilities promptly.

6. Technical Details for Security Professionals

Vulnerability Details:

• Script Gadgets: The chat page's script gadgets are susceptible to content injection attacks. This could include JavaScript or other scripting languages that can be manipulated to execute malicious code.
• Injection Points: Identify and secure all potential injection points within the application, including user inputs, server responses, and third-party integrations.

Detection and Response:

• Log Analysis: Regularly analyze logs for unusual activities, especially those related to script execution and user interactions.
• Behavioral Analysis: Implement behavioral analysis tools to detect anomalies in user and system behavior.
• Incident Response Plan: Develop and maintain an incident response plan tailored to handle content injection attacks, including steps for containment, eradication, and recovery.

References:

• GitHub Advisory: GHSA-8527-3cch-95gf
• Release Notes: 5ire v0.14.0

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