CVE-2008-7118 in WeBid
Summary
by MITRE
WeBid auction script 0.5.4 stores sensitive information under the web root with insufficient access control, which allows remote attackers to obtain SQL query logs via a direct request for logs/cron.log.
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Analysis
by VulDB Data Team • 11/03/2024
The vulnerability identified as CVE-2008-7118 affects WeBid auction script version 0.5.4 and represents a critical misconfiguration that exposes sensitive system information to remote attackers. This issue stems from improper file access controls where sensitive log files are stored within the web root directory structure, making them directly accessible through standard web requests. The specific file targeted is logs/cron.log which contains SQL query logs and potentially other system-level information that could be exploited by malicious actors. This configuration flaw violates fundamental security principles regarding the separation of sensitive data from web-accessible directories and demonstrates poor security hygiene in the application's deployment practices.
The technical exploitation of this vulnerability occurs through simple HTTP requests that directly target the log file location within the web root. Attackers can bypass normal access controls by crafting direct URLs to access logs/cron.log without authentication or authorization. This represents a classic case of insecure direct object references where the application fails to implement proper access controls for sensitive files. The vulnerability aligns with CWE-22, which describes improper limitation of a pathname to a restricted directory, and CWE-264, which covers permissions, privileges, and access controls. The flaw essentially creates a backdoor through which attackers can obtain detailed information about database operations, potentially including query structures, database schema information, and other sensitive operational data that could be leveraged for further exploitation.
The operational impact of this vulnerability extends beyond simple information disclosure, as the SQL query logs may contain sensitive data patterns that could aid attackers in crafting more sophisticated attacks against the database layer. These logs often include database connection details, query parameters, and potentially even database credentials or connection strings that could be extracted from the log files. The exposure of such information creates opportunities for attackers to perform SQL injection attacks, database enumeration, or other advanced persistent threats. From an attacker's perspective, this vulnerability provides a valuable reconnaissance tool that could be used to map database structures, identify potential injection points, and understand the underlying database architecture. The impact is particularly severe in environments where the web application shares database credentials or connection information that might be present in the log files, creating a potential pathway for attackers to escalate their privileges or gain unauthorized database access.
Mitigation strategies for this vulnerability require immediate implementation of proper file access controls and directory structure reorganization. The most effective solution involves moving sensitive log files outside the web root directory and implementing proper access controls through web server configurations or application-level access controls. Security practitioners should ensure that all log files are stored in protected directories that are not directly accessible through web requests. This approach addresses the core issue of insufficient access control and aligns with the principle of least privilege as defined in cybersecurity frameworks. Additionally, implementing proper authentication and authorization mechanisms for accessing log files, combined with regular security audits of file permissions and directory structures, would significantly reduce the risk of similar vulnerabilities. The remediation process should include comprehensive testing to ensure that legitimate administrative access to logs is maintained while preventing unauthorized web-based access to sensitive information. Organizations should also consider implementing centralized logging solutions that separate log storage from web application directories entirely, providing an additional layer of security through proper architectural design and access control implementation.