CVE-2017-18432 in cPanel
Summary
by MITRE
In cPanel before 64.0.21, Horde MySQL to SQLite conversion can leak a database password (SEC-234).
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Analysis
by VulDB Data Team • 11/20/2023
The vulnerability CVE-2017-18432 represents a critical security flaw in cPanel versions prior to 64.0.21 that affects the Horde MySQL to SQLite database conversion process. This issue falls under the category of information disclosure vulnerabilities and is classified as CWE-200, which specifically addresses the exposure of sensitive information. The flaw occurs during the database migration process where cPanel attempts to convert MySQL database configurations to SQLite format, creating a potential attack vector for malicious actors seeking unauthorized access to database credentials.
The technical implementation of this vulnerability stems from improper handling of database connection parameters during the conversion routine. When cPanel executes the Horde MySQL to SQLite conversion, it fails to adequately sanitize or secure database password information that may be present in the configuration files or temporary storage areas. This insecure handling allows the password to be exposed in log files, temporary database dumps, or other intermediate storage locations that are not properly secured. The vulnerability specifically targets the transition process between database management systems, where sensitive authentication data becomes temporarily exposed during the migration procedure.
The operational impact of this vulnerability extends beyond simple credential exposure, as it can enable attackers to gain unauthorized access to multiple database systems within the affected cPanel environment. Attackers who successfully exploit this vulnerability can leverage the leaked database passwords to access not only the migrated databases but potentially other systems that share similar credentials. This creates a chain reaction effect where a single compromised password can lead to broader system compromise. The vulnerability affects the core database management functionality of cPanel, making it particularly dangerous for hosting environments where multiple clients operate under the same control panel infrastructure.
Security professionals should implement immediate mitigation strategies including upgrading to cPanel version 64.0.21 or later, which includes proper sanitization of database credentials during the conversion process. Additionally, organizations should review and harden their database configuration files to prevent unauthorized access to sensitive information. The mitigation approach aligns with ATT&CK technique T1552.001 which focuses on credentials from password stores, and T1078 which addresses valid accounts. System administrators should also implement monitoring for unusual database access patterns and ensure that temporary files generated during database conversions are properly secured and promptly deleted. The vulnerability demonstrates the importance of secure coding practices in database migration routines and highlights the need for comprehensive input validation and output sanitization in system administration tools.