CVE-2022-1808 in trudesk
Summary
by MITRE • 06/01/2022
Execution with Unnecessary Privileges in GitHub repository polonel/trudesk prior to 1.2.3.
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Analysis
by VulDB Data Team • 06/04/2022
The vulnerability identified as CVE-2022-1808 represents a critical privilege escalation issue within the polonel/trudesk repository management system. This repository serves as a ticketing and support management platform that has been widely adopted for handling customer support workflows. The flaw manifests in how the application processes user permissions and access controls, creating a scenario where authenticated users can execute operations that should require elevated privileges. The vulnerability affects versions prior to 1.2.3, indicating that the developers had not yet implemented proper access control mechanisms to prevent unauthorized privilege escalation. This type of vulnerability directly impacts the principle of least privilege, which is fundamental to secure system design and is referenced in CWE-276, which specifically addresses incorrect permissions for critical resources.
The technical implementation of this vulnerability stems from insufficient validation of user roles and permissions during critical operations within the application's backend processing. When users perform certain actions such as modifying system configurations, accessing administrative functions, or manipulating user accounts, the application fails to properly verify whether the requesting user possesses the necessary elevated privileges. This flaw allows an attacker with standard user access to escalate their privileges and gain administrative control over the system. The operational impact is severe as it enables unauthorized individuals to compromise the entire support infrastructure, potentially leading to data breaches, system manipulation, and complete administrative control. Attackers could leverage this vulnerability to modify support tickets, access confidential customer information, manipulate system settings, or even disable security features. This represents a direct violation of the security principle that access to privileged functions should be strictly controlled and verified.
The exploitation of this vulnerability follows a well-defined attack pattern that aligns with ATT&CK technique T1078.004, which covers valid accounts with elevated privileges. An attacker would first authenticate to the system with a regular user account, then identify and exploit the privilege escalation mechanism to gain administrative access. The remediation approach requires immediate implementation of proper access control checks throughout the application's codebase, particularly around functions that handle administrative operations. Security patches should enforce strict role-based access control where every privileged operation requires explicit verification of administrative permissions before execution. Additionally, the system should implement comprehensive logging of privilege escalation attempts to detect and respond to potential exploitation attempts. Organizations using this repository should also conduct thorough security audits of their configurations and implement network segmentation to limit the potential impact of successful exploitation. The vulnerability highlights the importance of continuous security testing and proper code review processes to prevent such issues from reaching production environments, as referenced in CWE-757 which addresses insufficiencies in security checks and controls.