CVE-2020-9368 in Module Olea Gift On Order
Summary
by MITRE • 11/03/2020
The Module Olea Gift On Order module through 5.0.8 for PrestaShop enables an unauthenticated user to read arbitrary files on the server via getfile.php?file=/.. directory traversal.
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Analysis
by VulDB Data Team • 12/01/2020
The CVE-2020-9368 vulnerability affects the Olea Gift On Order module version 5.0.8 and earlier implementations within the PrestaShop e-commerce platform. This security flaw represents a critical directory traversal vulnerability that allows unauthenticated attackers to access sensitive files on the server without requiring any valid credentials or privileges. The vulnerability specifically resides in the getfile.php script which processes file requests through the file parameter, creating an opportunity for malicious users to manipulate the file path and gain unauthorized access to the underlying filesystem.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization within the module's file handling mechanism. When an attacker submits a request to getfile.php with a malicious file parameter containing directory traversal sequences such as ../, the application fails to properly validate or sanitize the input before processing the file access request. This allows attackers to navigate beyond the intended directory boundaries and retrieve arbitrary files from the server filesystem, potentially including configuration files, database credentials, source code, and other sensitive data that should remain protected from unauthorized access.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with the capability to extract sensitive data that could be used for further exploitation or system compromise. An unauthenticated attacker could potentially access database configuration files containing administrative credentials, application source code that may reveal additional vulnerabilities, log files that could contain user data or system information, and other sensitive resources that are typically restricted from public access. The lack of authentication requirements makes this vulnerability particularly dangerous as it can be exploited by anyone with access to the vulnerable PrestaShop installation, regardless of their authorization status or privileges.
Organizations running affected PrestaShop installations should immediately implement mitigations to address this vulnerability, including updating to the latest version of the Olea Gift On Order module where the issue has been resolved through proper input validation and sanitization. Security measures should also include implementing web application firewalls that can detect and block directory traversal attempts, restricting file access permissions to prevent unauthorized reading of sensitive files, and conducting comprehensive security audits of all installed modules to identify similar vulnerabilities. This vulnerability aligns with CWE-22 Directory Traversal and follows patterns commonly associated with ATT&CK technique T1213 Data from Information Repositories, emphasizing the importance of proper input validation and access control mechanisms in web applications. The remediation process should also involve monitoring for suspicious file access patterns and ensuring that all modules undergo thorough security review before deployment in production environments.