CVE-2024-45309 in OneDev
Summary
by MITRE • 10/21/2024
OneDev is a Git server with CI/CD, kanban, and packages. A vulnerability in versions prior to 11.0.9 allows unauthenticated users to read arbitrary files accessible by the OneDev server process. This issue has been fixed in version 11.0.9.
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Analysis
by VulDB Data Team • 10/21/2024
The vulnerability identified as CVE-2024-45309 affects OneDev, a comprehensive Git server platform that integrates continuous integration and deployment capabilities with project management tools including kanban boards and package management systems. This security flaw represents a critical information disclosure vulnerability that undermines the fundamental security assumptions of the platform. The vulnerability exists in versions prior to 11.0.9 and allows unauthorized users to access files that should normally be restricted to authenticated administrators or specific user groups. The issue manifests as an improper access control mechanism that fails to properly validate user permissions before granting file access, creating a direct pathway for malicious actors to bypass authentication requirements and retrieve sensitive data from the server.
The technical implementation of this vulnerability stems from inadequate input validation and access control checks within the file serving components of the OneDev platform. Attackers can exploit this weakness by crafting specific requests that target file paths accessible to the OneDev server process, potentially gaining access to configuration files, source code repositories, database credentials, or other sensitive information that the server process can read. This type of vulnerability aligns with CWE-284, which describes improper access control issues where the system fails to properly enforce access restrictions. The flaw essentially creates a directory traversal or path traversal vulnerability that allows arbitrary file reading without proper authentication, representing a fundamental breakdown in the platform's security architecture.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with the potential to obtain critical system information that could facilitate further attacks. An unauthenticated attacker could access sensitive configuration files that might contain database connection strings, API keys, or other credentials that could be used to compromise the entire system. The vulnerability also poses risks to intellectual property and source code confidentiality, as attackers could potentially access source code repositories and other development artifacts. This weakness could enable attackers to escalate their privileges or move laterally within the network if the OneDev server has access to other systems or databases. The attack surface is particularly concerning given that OneDev serves as a central repository for development activities, making it a valuable target for adversaries seeking to access sensitive development environments and infrastructure.
Organizations utilizing OneDev versions prior to 11.0.9 should immediately implement the available patch to address this vulnerability. The fix included in version 11.0.9 properly implements access controls and authentication checks to prevent unauthorized file access. System administrators should also conduct comprehensive security assessments to identify any potential exploitation that may have occurred before the patch was applied. Additional mitigations include implementing network segmentation to limit access to the OneDev server, monitoring for unusual file access patterns, and ensuring that the platform is not running with elevated privileges that would allow access to sensitive system resources. The vulnerability demonstrates the importance of proper access control implementation and highlights the need for regular security updates and vulnerability assessments to maintain the integrity of development infrastructure. This issue aligns with ATT&CK technique T1078 which covers valid accounts and privilege escalation, as the vulnerability allows unauthorized access to system resources that would normally require authentication.