CVE-2006-5613 in MP3 Streaming DownSampler
Summary
by MITRE
PHP remote file inclusion in Core/core.inc.php in MP3 Streaming DownSampler (mp3SDS) 3.0, when register_globals is enabled, allows remote attackers to execute arbitrary PHP code via the fullpath parameter
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Analysis
by VulDB Data Team • 04/25/2026
The vulnerability identified as CVE-2006-5613 represents a critical remote file inclusion flaw within the MP3 Streaming DownSampler version 3.0 software. This vulnerability specifically targets the Core/core.inc.php file and exploits a dangerous configuration weakness that occurs when the PHP register_globals directive is enabled. The flaw manifests through the manipulation of the fullpath parameter, which creates an avenue for malicious actors to inject and execute arbitrary PHP code on the affected system. The vulnerability is classified under CWE-88, which addresses improper neutralization of special elements used in an OS command, and more specifically aligns with CWE-94, representing improper execution of code, making it a significant concern for system security.
The technical exploitation of this vulnerability relies on the dangerous behavior of PHP's register_globals feature, which automatically converts HTTP request variables into PHP variables without proper sanitization. When this feature is enabled, attackers can manipulate the fullpath parameter to include malicious file paths that will be executed by the PHP interpreter. This creates a pathway for remote code execution that can potentially allow attackers to gain full control over the affected system, execute arbitrary commands, and establish persistent access. The vulnerability operates at the application layer and demonstrates a classic example of insecure input handling, where user-supplied data is directly incorporated into system operations without adequate validation or sanitization.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the capability to perform extensive system compromise activities. Once exploited, attackers can leverage the executed code to perform reconnaissance, establish backdoors, modify system files, and potentially escalate privileges within the compromised environment. This vulnerability is particularly dangerous because it requires minimal user interaction and can be exploited remotely, making it an attractive target for automated attacks. The vulnerability's impact is further amplified by the fact that it affects a streaming media application, which often runs with elevated privileges and may have access to sensitive system resources or user data.
Mitigation strategies for CVE-2006-5613 must address both the immediate exploitation vector and the underlying configuration issues that enable the vulnerability. The primary recommendation involves disabling the register_globals directive in PHP configuration, which directly eliminates the attack surface for this particular flaw. Additionally, implementing proper input validation and sanitization techniques for all user-supplied parameters, including the fullpath parameter, will prevent malicious data from being processed. Organizations should also consider implementing web application firewalls to detect and block suspicious parameter values, and conduct regular security assessments to identify similar vulnerabilities in other applications. The remediation approach aligns with ATT&CK technique T1059, which covers command and scripting interpreter, and emphasizes the importance of input validation and secure coding practices in preventing remote code execution vulnerabilities.