CVE-2008-4141 in .x10 Automatic Mp3 Script
Summary
by MITRE
Multiple PHP remote file inclusion vulnerabilities in x10Media x10 Automatic MP3 Script 1.5.5 allow remote attackers to execute arbitrary PHP code via a URL in the web_root parameter to (1) includes/function_core.php and (2) templates/layout_lyrics.php.
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Analysis
by VulDB Data Team • 11/04/2024
The vulnerability identified as CVE-2008-4141 represents a critical remote file inclusion flaw affecting the x10Media x10 Automatic MP3 Script version 1.5.5. This vulnerability stems from improper input validation within the application's parameter handling mechanisms, specifically in how the web_root parameter is processed in two key files. The issue manifests when user-supplied input is directly incorporated into file inclusion operations without adequate sanitization or validation, creating an avenue for malicious actors to inject arbitrary PHP code through crafted URLs.
The technical exploitation of this vulnerability occurs through the manipulation of the web_root parameter in two distinct script files: includes/function_core.php and templates/layout_lyrics.php. When these files process the web_root parameter, they fail to validate or sanitize the input before using it in include or require statements. This allows attackers to supply a malicious URL that gets executed as PHP code within the context of the web server. The vulnerability directly maps to CWE-88, which describes improper neutralization of special elements used in an OS command, and more specifically to CWE-94, which addresses the execution of arbitrary code due to insufficient input validation. The flaw operates at the intersection of improper input validation and code execution, creating a path for remote code execution through file inclusion mechanisms.
The operational impact of this vulnerability is severe and far-reaching, as it provides attackers with complete remote code execution capabilities on the affected web server. An attacker could leverage this vulnerability to upload and execute malicious payloads, potentially leading to full system compromise, data exfiltration, or the establishment of persistent backdoors. The vulnerability affects the core functionality of the MP3 script, making it a prime target for exploitation in automated scanning campaigns. The attack surface is particularly concerning because it allows execution of arbitrary PHP code in the context of the web server, potentially enabling attackers to access sensitive system resources, manipulate database content, or use the compromised server as a launch point for further attacks within the network infrastructure.
Security practitioners should implement immediate mitigations including input validation and sanitization of all user-supplied parameters, particularly those used in file inclusion operations. The recommended approach involves filtering and validating the web_root parameter to ensure it only accepts expected values or properly encoded URLs. Implementing proper input validation aligns with ATT&CK technique T1059.007, which covers the execution of code through PHP, and addresses the fundamental weakness in parameter handling that enables this attack vector. Additionally, organizations should consider implementing web application firewalls to detect and block malicious requests containing suspicious URL patterns, and ensure that the affected application is updated to a patched version that properly validates all input parameters before processing them in file inclusion contexts. The vulnerability demonstrates the critical importance of input validation in preventing remote code execution through file inclusion attacks, and serves as a reminder of the need for secure coding practices in web applications.