CVE-2024-6908 in Yugabyte
Summary
by MITRE • 07/19/2024
Improper privilege management in Yugabyte Platform allows authenticated admin users to escalate privileges to SuperAdmin via a crafted PUT HTTP request, potentially leading to unauthorized access to sensitive system functions and data.
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Analysis
by VulDB Data Team • 07/22/2024
The vulnerability identified as CVE-2024-6908 represents a critical privilege escalation flaw within the Yugabyte Platform authentication and authorization framework. This issue affects authenticated administrative users who can leverage a specifically crafted PUT HTTP request to elevate their privileges from standard admin to SuperAdmin level. The flaw demonstrates a fundamental weakness in the platform's access control mechanisms, where proper privilege boundaries are not enforced during administrative operations. Such vulnerabilities are particularly dangerous in database management systems where administrative privileges grant access to critical system functions and sensitive data repositories.
The technical implementation of this vulnerability stems from inadequate input validation and privilege checking within the platform's REST API endpoints. When an authenticated admin user submits a crafted PUT request, the system fails to properly verify whether the requesting user possesses sufficient privileges to perform the requested operation. This failure allows malicious or compromised administrative accounts to bypass normal access controls and assume superuser privileges. The vulnerability is categorized under CWE-276, which addresses improper privilege management, and aligns with ATT&CK technique T1078.004 for valid accounts and T1548.001 for abuse of privileges. The flaw likely exists in the platform's authorization logic where privilege levels are not consistently validated across all administrative API endpoints, creating an attack surface that can be exploited by authenticated users with minimal additional resources.
The operational impact of this vulnerability extends beyond simple privilege escalation, potentially enabling attackers to gain unauthorized access to sensitive system functions and data within the Yugabyte Platform. Once elevated to SuperAdmin status, an attacker could manipulate database configurations, access confidential data, modify system settings, and potentially compromise the entire platform infrastructure. This vulnerability is particularly concerning because it requires only authentication to exploit, meaning that attackers who have already gained administrative access to the platform can use this flaw to maximize their control. The implications include potential data breaches, system compromise, and unauthorized modification of critical database operations that could affect business continuity and regulatory compliance.
Organizations should immediately implement mitigations that include strengthening authentication mechanisms, implementing comprehensive privilege validation checks, and conducting thorough security audits of all administrative API endpoints. The recommended approach involves deploying additional access control layers that enforce strict privilege boundaries regardless of the user's initial authentication status. Security teams should also consider implementing monitoring solutions that can detect anomalous administrative activity patterns and unauthorized privilege escalation attempts. Additionally, organizations should ensure that all administrative users undergo regular privilege reviews and that the principle of least privilege is strictly enforced throughout the platform. The vulnerability highlights the critical importance of implementing proper input validation and privilege checking in all API operations, particularly those that handle administrative functions, to prevent similar issues from occurring in other components of the system.