CVE-2022-4778 in StreamX
Summary
by MITRE • 12/29/2022
StreamX applications from versions 6.02.01 to 6.04.34 are affected by a path traversal vulnerability that allows authenticated users to get unauthorized access to files on the server's filesystem. StreamX applications using StreamView HTML component with the public web server feature activated are affected.
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Analysis
by VulDB Data Team • 04/09/2025
The vulnerability identified as CVE-2022-4778 represents a critical path traversal flaw within StreamX applications that affects versions ranging from 6.02.01 through 6.04.34. This security weakness specifically targets applications utilizing the StreamView HTML component alongside the public web server feature, creating an unauthorized access vector for authenticated users who should not possess elevated privileges. The flaw stems from inadequate input validation and sanitization within the file access mechanisms of these applications, allowing malicious actors to manipulate file path parameters and potentially access sensitive system files that should remain protected from user interaction.
The technical implementation of this vulnerability operates through a directory traversal attack pattern where authenticated users can exploit improperly validated file paths to navigate beyond the intended directory boundaries. When the StreamView HTML component processes file requests, it fails to properly sanitize user-supplied path parameters, enabling attackers to inject sequences such as "../" or similar traversal indicators that can bypass normal access controls. This weakness directly maps to CWE-22 - Improper Limitation of a Pathname to a Restricted Directory, which is classified as a common weakness in software security practices. The vulnerability is particularly concerning because it requires only authentication to exploit, meaning that any user with valid credentials can potentially access system files that contain sensitive information, configuration data, or application logic that should remain confidential.
The operational impact of this vulnerability extends beyond simple unauthorized file access, as it can enable attackers to extract sensitive data, modify system configurations, or potentially escalate privileges within the affected environment. Attackers could leverage this vulnerability to access application configuration files that may contain database credentials, API keys, or other sensitive information that could be used for further exploitation. The presence of a public web server feature in the affected applications increases the attack surface significantly, as it allows for external access to the vulnerable functionality. This vulnerability can be classified under ATT&CK technique T1083 - File and Directory Discovery, as it enables adversaries to enumerate and access files that should remain protected within the application's security boundaries, potentially leading to more severe compromise scenarios.
Mitigation strategies for CVE-2022-4778 should prioritize immediate patching of affected StreamX applications to versions that address the path traversal vulnerability through proper input validation and sanitization. Organizations should implement strict path validation mechanisms that ensure all file access requests are properly constrained to predefined directories and that user-supplied input cannot manipulate the intended file access paths. Network segmentation and access controls should be implemented to limit exposure of the StreamView HTML component to only authorized users and systems. Additionally, comprehensive monitoring should be deployed to detect anomalous file access patterns that could indicate exploitation attempts, and regular security assessments should be conducted to identify similar vulnerabilities within other components of the application stack. The remediation process should also include thorough review and hardening of file access controls, ensuring that the principle of least privilege is maintained and that all file operations are properly validated against a whitelist of acceptable paths.