CVE-2007-6188 in TuMusika Evolution
Summary
by MITRE
Multiple directory traversal vulnerabilities in TuMusika Evolution 1.7R5 allow remote attackers to include and execute arbitrary local files via a .. (dot dot) in the language parameter to (1) languages_n.php, (2) languages_f.php, or (3) languages.php in inc/; and (4) allow remote attackers to read arbitrary local files via a .. (dot dot) in the uri parameter to frames/nogui/sc_download.php.
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Analysis
by VulDB Data Team • 10/12/2024
The CVE-2007-6188 vulnerability represents a critical directory traversal flaw affecting TuMusika Evolution 1.7R5, a web-based music management system. This vulnerability stems from inadequate input validation within the application's file inclusion mechanisms, creating a pathway for remote attackers to manipulate file access parameters. The flaw manifests specifically in the language parameter handling across three distinct files within the inc/ directory structure, as well as in the uri parameter of the sc_download.php file located in the frames/nogui/ directory. These vulnerabilities fall under the category of CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks.
The technical implementation of this vulnerability exploits the fundamental weakness in how the application processes user-supplied input for file inclusion operations. When attackers supply directory traversal sequences using the .. (dot dot) notation within the language parameter, the system fails to properly sanitize or validate these inputs before using them in file system operations. This allows malicious actors to navigate beyond the intended directory boundaries and access arbitrary files on the server's file system. The vulnerability affects multiple entry points within the application's codebase, specifically targeting the languages_n.php, languages_f.php, and languages.php files in the inc/ directory, while also impacting the frames/nogui/sc_download.php file through the uri parameter. This multi-point exploitation capability significantly increases the attack surface and potential impact of the vulnerability.
The operational impact of CVE-2007-6188 extends beyond simple file access, as it provides attackers with the capability to execute arbitrary local files on the target system. This execution capability transforms a simple directory traversal vulnerability into a potential remote code execution threat, enabling attackers to gain unauthorized access to system resources and potentially escalate their privileges. The vulnerability can be exploited to read sensitive configuration files, database credentials, application source code, and other confidential information stored on the server. Additionally, the ability to execute arbitrary local files opens pathways for attackers to install backdoors, modify application behavior, or establish persistent access to the compromised system. This type of vulnerability directly aligns with ATT&CK technique T1059, which covers command and scripting interpreter usage, and T1566, which encompasses credential access through various attack vectors including file system manipulation.
Mitigation strategies for CVE-2007-6188 require immediate implementation of input validation and sanitization measures across all affected application components. The most effective approach involves implementing strict parameter validation that filters out directory traversal sequences before any file operations are performed. Organizations should deploy web application firewalls that can detect and block suspicious traversal patterns in HTTP requests. Additionally, the application should be configured to operate within a restricted file system environment where file access is limited to specific directories, preventing access to system-critical files. Regular security audits and code reviews should be conducted to identify similar vulnerabilities in other application components. The remediation process should include updating to the latest version of TuMusika Evolution or implementing proper input sanitization mechanisms that validate all user-supplied parameters against a whitelist of allowed characters and patterns. System administrators should also monitor for any unauthorized file access attempts and implement logging mechanisms to track potential exploitation attempts. This vulnerability serves as a prime example of why robust input validation and secure coding practices are essential for preventing directory traversal attacks in web applications.