CVE-2024-0822 in oVirt
Summary
by MITRE • 01/25/2024
An authentication bypass vulnerability was found in overt-engine. This flaw allows the creation of users in the system without authentication due to a flaw in the CreateUserSession command.
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Analysis
by VulDB Data Team • 10/09/2025
The authentication bypass vulnerability identified as CVE-2024-0822 resides within the overt-engine framework, presenting a critical security weakness that fundamentally undermines the system's user management controls. This flaw specifically targets the CreateUserSession command implementation, creating a pathway for unauthorized individuals to establish accounts without proper authentication credentials. The vulnerability represents a severe deviation from standard security protocols where user creation should inherently require verified authentication mechanisms before granting system access privileges.
The technical nature of this flaw stems from inadequate input validation and authentication checks within the CreateUserSession command execution flow. When the system processes user creation requests, it fails to properly verify the authenticity of the requesting entity before proceeding with account establishment. This weakness allows attackers to craft malicious requests that bypass the normal authentication gateways, effectively circumventing the security controls designed to prevent unauthorized user provisioning. The vulnerability manifests as a direct consequence of insufficient authorization verification at the command processing level, enabling arbitrary user creation through manipulated API calls or direct system interfaces.
The operational impact of this authentication bypass vulnerability extends far beyond simple unauthorized access, creating potential pathways for privilege escalation and persistent system compromise. An attacker exploiting this flaw can create multiple user accounts with varying permission levels, potentially establishing footholds within the system that remain undetected by standard monitoring mechanisms. The vulnerability directly violates fundamental security principles outlined in the OWASP Top Ten, specifically addressing the failure to properly implement authentication controls. This weakness also aligns with CWE-287, which describes improper authentication scenarios, and can be leveraged to achieve initial access objectives as classified in the MITRE ATT&CK framework under T1078 for valid accounts and T1566 for initial access through social engineering or system exploitation.
Mitigation strategies for CVE-2024-0822 must address both immediate remediation and long-term architectural improvements to prevent similar vulnerabilities from emerging. Organizations should implement immediate patching of the overt-engine framework to correct the CreateUserSession command authentication logic, ensuring that all user creation requests undergo proper verification before account provisioning. The system architecture should be reviewed to enforce mandatory authentication checks at all user management interfaces, with additional logging and monitoring implemented to detect anomalous user creation patterns. Security controls should incorporate multi-factor authentication requirements for account provisioning operations and establish strict access controls for administrative user creation functions. Regular security assessments and penetration testing should be conducted to validate that authentication mechanisms remain robust against similar exploitation techniques, while also ensuring compliance with industry standards such as NIST SP 800-53 and ISO 27001 security requirements for access control management.