CVE-2024-28029 in DIAEnergie
Summary
by MITRE • 03/22/2024
Privileges are not fully verified server-side, which can be abused by a user with limited privileges to bypass authorization and access privileged functionality.
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Analysis
by VulDB Data Team • 10/18/2024
This vulnerability represents a critical authorization bypass flaw that undermines the fundamental security controls of affected systems. The issue stems from insufficient server-side validation of user privileges, creating a pathway for low-privilege attackers to escalate their access and gain unauthorized entry to restricted system functions. Such a weakness directly violates the principle of least privilege and can result in severe operational consequences when exploited by malicious actors. The vulnerability manifests when the server fails to adequately verify user permissions before granting access to sensitive resources or administrative capabilities, allowing unauthorized users to perform actions typically restricted to privileged accounts.
The technical implementation of this vulnerability typically involves a failure in the authentication and authorization framework where the system relies on client-side checks or incomplete server-side validation mechanisms. Attackers can exploit this by manipulating request parameters, forging user tokens, or leveraging session management weaknesses to bypass standard access controls. This flaw often appears in web applications, enterprise software, or network services where the server-side logic does not properly validate whether the requesting user possesses sufficient privileges to perform the requested operation. The vulnerability may be particularly dangerous in environments where administrative functions are accessible through API endpoints or web interfaces that do not adequately enforce role-based access controls.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass potential data breaches, system compromise, and complete loss of administrative control over affected resources. An attacker with limited privileges who successfully exploits this vulnerability can access sensitive data, modify system configurations, escalate privileges to administrative levels, or even disable security controls entirely. This type of authorization bypass can lead to prolonged undetected access, allowing attackers to conduct reconnaissance, establish persistence, and carry out further malicious activities within the compromised environment. The vulnerability's severity is amplified when the affected system handles sensitive information or critical infrastructure components, as the potential for damage increases proportionally with the system's importance.
Mitigation strategies for this vulnerability require comprehensive server-side access control implementation that enforces strict privilege verification for all operations. Organizations should implement robust authentication and authorization frameworks that validate user permissions at every request point, eliminate reliance on client-side validation, and enforce proper role-based access controls. Security measures must include input validation, proper session management, and comprehensive logging of access attempts to detect potential exploitation attempts. The implementation of defense-in-depth strategies such as multi-factor authentication, regular privilege reviews, and automated security scanning can significantly reduce the risk of successful exploitation. Additionally, following security standards such as those outlined in the CWE catalog under category 285 for improper authorization and the MITRE ATT&CK framework's privilege escalation techniques can help organizations develop more resilient security architectures. Regular security testing including penetration testing and code reviews should be conducted to identify and remediate similar authorization bypass vulnerabilities before they can be exploited by malicious actors.