CVE-2024-9381 in Cloud Services Appliance
Summary
by MITRE • 10/08/2024
Path traversal in Ivanti CSA before version 5.0.2 allows a remote authenticated attacker with admin privileges to bypass restrictions.
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Analysis
by VulDB Data Team • 10/11/2024
The vulnerability identified as CVE-2024-9381 affects Ivanti Cloud Services Appliance (CSA) versions prior to 5.0.2 and represents a critical path traversal flaw that enables authenticated attackers with administrative privileges to bypass security restrictions. This vulnerability resides within the application's file handling mechanisms and specifically targets the way the system processes file paths during certain operations. The flaw allows an attacker to manipulate file system access by exploiting improper input validation and path resolution logic. The affected system processes user-supplied paths without adequate sanitization, creating opportunities for attackers to navigate beyond intended directories and access restricted files or resources. This vulnerability is particularly dangerous because it requires only administrative authentication, meaning that an attacker who has already gained administrative access can leverage this flaw to further escalate their privileges or extract sensitive information from the system.
The technical implementation of this path traversal vulnerability stems from inadequate validation of file path parameters within the Ivanti CSA application. When legitimate administrative users perform operations that involve file system interactions, the application fails to properly sanitize or validate the paths provided by the user interface or API endpoints. This allows attackers to inject malicious path sequences such as "../" or similar traversal patterns that can navigate the file system beyond the intended boundaries. The vulnerability operates at the application layer and can be exploited through various attack vectors including web interfaces, api calls, or command line operations that interact with the file system. The flaw is classified as a CWE-22 Path Traversal vulnerability which is a well-documented weakness in software applications that handle file system operations without proper input validation. This type of vulnerability falls under the ATT&CK technique T1083 - File and Directory Discovery, as it enables attackers to explore the file system structure and potentially access sensitive data or system files. The vulnerability is particularly concerning because it can be leveraged to access configuration files, database credentials, or other sensitive components that may be stored outside of normal access boundaries.
The operational impact of CVE-2024-9381 extends beyond simple file access violations and can lead to significant compromise of the affected system's security posture. An attacker with administrative privileges who exploits this vulnerability can potentially access sensitive data, modify system configurations, or even gain access to additional system components that should normally be restricted. The ability to bypass security restrictions means that attackers can potentially access other administrative functions, view confidential information, or manipulate system settings that control access controls and user permissions. This vulnerability can also serve as a stepping stone for further attacks within the network environment, as it allows attackers to discover additional system components or files that may contain credentials, keys, or other sensitive information. The implications are particularly severe in environments where the Ivanti CSA appliance serves as a central management point for cloud services, as compromise of this system can lead to widespread access to cloud resources and associated data. Organizations using older versions of the appliance are particularly vulnerable as they lack the security patches that would address this specific path traversal flaw. The vulnerability can also impact compliance requirements, as unauthorized access to system files and configurations may violate regulatory standards for data protection and access control.
Organizations should immediately upgrade their Ivanti CSA appliances to version 5.0.2 or later to remediate this vulnerability. The patch addresses the underlying path traversal flaw by implementing proper input validation and sanitization mechanisms for file path parameters. Administrators should also conduct comprehensive security assessments to identify any potential exploitation attempts or unauthorized access that may have occurred prior to the patch deployment. Additional mitigations include implementing network segmentation to limit access to the appliance, enforcing strict access controls and monitoring for unusual file access patterns, and conducting regular security audits of the appliance configuration. Security teams should also review and update their incident response procedures to account for potential exploitation of this vulnerability, ensuring that any signs of path traversal attempts are quickly detected and addressed. The vulnerability demonstrates the importance of maintaining up-to-date security patches and the critical role that proper input validation plays in preventing path traversal attacks. Organizations should also consider implementing web application firewalls or other protective measures that can detect and block malicious path traversal attempts before they can be processed by the vulnerable application. Regular vulnerability assessments and penetration testing should be conducted to identify similar weaknesses in other components of the system that may present similar attack surfaces. The remediation process should include thorough testing of the updated appliance to ensure that the patch does not introduce any compatibility issues with existing configurations or business processes while effectively addressing the path traversal vulnerability.