Improper Privilege Escalation in UVdesk Core-Framework

Executive Summary

This is a privilege escalation vulnerability in UVdesk core-framework versions before 1.1.7. It allows agents with agent-management privileges to escalate their own role to administrator by submitting their account identifier with a role parameter set to ROLE_ADMIN. Successful exploitation grants full administrative control over agents, tickets, and mail configurations.

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Detection Guidance

To detect this vulnerability, check the UVdesk core-framework version. If it is below 1.1.7 or community-skeleton below 1.1.8, the system is vulnerable. Inspect the editAgent endpoint for improper role parameter handling. Look for unauthorized role changes to ROLE_ADMIN in logs or database entries.

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Impact Analysis

An attacker could gain full administrative access to the UVdesk system, allowing them to manage agents, view or modify tickets, and alter mail configurations. This could lead to data breaches, unauthorized access to sensitive information, or disruption of support services.

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Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR's data protection requirements and HIPAA's safeguards for protected health information. Organizations using affected UVdesk versions may face compliance violations, legal penalties, and reputational damage.

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Mitigation Strategies

Immediately update UVdesk core-framework to version 1.1.7 or higher and community-skeleton to 1.1.8 or higher. Review and restrict access to the editAgent endpoint. Monitor for unauthorized role changes and remove any accounts with elevated privileges not legitimately assigned.

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