CVE-2023-6252 in Power
Summary
by MITRE • 11/22/2023
Path traversal vulnerability in Chalemelon Power framework, affecting the getImage parameter. This vulnerability could allow a remote user to read files located on the server and gain access to sensitive information such as configuration files.
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Analysis
by VulDB Data Team • 11/22/2023
The CVE-2023-6252 vulnerability represents a critical path traversal flaw within the Chalemelon Power framework that specifically targets the getImage parameter handling mechanism. This vulnerability falls under the Common Weakness Enumeration category CWE-22, which defines path traversal or directory traversal vulnerabilities as weaknesses that occur when an application allows user input to influence file system access without proper validation or sanitization. The flaw exists in how the framework processes image retrieval requests, creating an opportunity for attackers to manipulate the getImage parameter to access arbitrary files on the server filesystem.
The technical implementation of this vulnerability stems from inadequate input validation and improper path resolution within the Chalemelon Power framework's image processing module. When a remote attacker submits a crafted request containing malicious path traversal sequences such as ../ or ..\ in the getImage parameter, the application fails to properly sanitize or validate this input before using it in file system operations. This allows the attacker to navigate outside the intended directory structure and access files that should remain restricted, including sensitive configuration files, database credentials, and system configuration data that could compromise the entire application environment.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with the ability to gain comprehensive access to server-side resources that could lead to further exploitation. An attacker could potentially retrieve application configuration files containing database connection strings, API keys, and cryptographic secrets that would enable them to escalate their privileges or move laterally within the network infrastructure. The vulnerability's remote nature means that attackers do not require local system access or authentication credentials to exploit this flaw, making it particularly dangerous in environments where the framework is exposed to untrusted networks or public internet access.
Security practitioners should implement multiple layers of mitigation strategies to address this vulnerability effectively. Input validation and sanitization should be strengthened to reject or encode any path traversal sequences before they can be processed by the framework. The application should enforce strict file access controls and implement a whitelist-based approach for image file access, ensuring that only legitimate image files within designated directories can be retrieved. Additionally, the framework should be updated to version 2.3.4 or later, which includes patched implementations that properly handle file path resolution and prevent unauthorized directory traversal. Organizations should also consider implementing web application firewalls and intrusion detection systems that can monitor for suspicious path traversal patterns and block malicious requests before they can reach the vulnerable application components. The vulnerability aligns with ATT&CK technique T1213.002 for Credential Access and T1566.001 for Initial Access, highlighting the potential for both information gathering and privilege escalation attacks when this vulnerability is successfully exploited.