CVE-2008-6933 in MiniGal
Summary
by MITRE
Directory traversal vulnerability in index.php in MiniGal b13 (aka MG2) allows remote attackers to read the source code of .php files, and possibly the content of other files, via a .. (dot dot) in the list parameter.
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Analysis
by VulDB Data Team • 11/11/2024
The vulnerability identified as CVE-2008-6933 represents a critical directory traversal flaw in MiniGal b13, also known as MG2, affecting the index.php script. This weakness enables remote attackers to exploit improper input validation mechanisms within the application's file handling process. The vulnerability specifically manifests when the application processes the list parameter without adequate sanitization or validation, allowing malicious users to manipulate file paths through the use of .. (dot dot) sequences. Such manipulation can potentially expose sensitive source code files and other system resources that should remain protected from unauthorized access.
The technical exploitation of this vulnerability falls under the Common Weakness Enumeration category CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal. This weakness occurs when applications fail to properly validate or sanitize user-supplied input that is used in file system operations. The vulnerability is classified as a remote attack vector since it does not require local system access or authentication to exploit, making it particularly dangerous for web applications that are publicly accessible. Attackers can leverage this flaw to read arbitrary files on the server, potentially including configuration files, database credentials, application source code, and other sensitive information that could lead to further compromise of the affected system.
The operational impact of CVE-2008-6933 extends beyond simple information disclosure, as the exposure of source code files can reveal implementation details that attackers might use to identify additional vulnerabilities within the application. The ability to read PHP files could expose database connection strings, API keys, or other sensitive configuration parameters that are hardcoded within the application. This vulnerability aligns with several techniques documented in the MITRE ATT&CK framework under the T1083 discovery technique, which involves finding files and directories, and T1566 credential access methods that could lead to broader system compromise. The vulnerability's potential for escalation makes it a significant concern for organizations running outdated versions of MiniGal, as it could serve as an initial foothold for more sophisticated attacks.
Mitigation strategies for this vulnerability should prioritize immediate patching of affected systems with the latest available security updates from the software vendor. Organizations should implement input validation and sanitization measures that specifically address path traversal attacks, including the removal or encoding of special characters such as .. and / in user-supplied parameters. The principle of least privilege should be enforced by ensuring that web applications operate with minimal necessary permissions and that file system access is restricted to only required directories. Network-level protections such as web application firewalls can provide additional defense-in-depth measures, though they should not be considered a substitute for proper code-level fixes. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other applications and systems, as directory traversal vulnerabilities often indicate broader architectural security issues that require comprehensive remediation approaches.