CVE-2001-1050 in CCC
Summary
by MITRE
CCCSoftware CCC PHP script allows remote attackers to include arbitrary files from remote web sites via an HTTP request that sets the includedir variable.
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Analysis
by VulDB Data Team • 09/30/2025
The vulnerability identified as CVE-2001-1050 resides within the CCCSoftware CCC PHP script, representing a classic example of a remote file inclusion vulnerability that emerged during the early years of web application security development. This flaw demonstrates how improper input validation and unsafe file handling practices can create significant security risks for web applications. The vulnerability specifically affects the way the application processes the includedir variable through HTTP requests, allowing malicious actors to manipulate the script's behavior by injecting external file paths.
The technical root cause of this vulnerability aligns with CWE-98, which describes improper file inclusion where an application includes or requires a file based on user-supplied input without proper validation. The flaw occurs when the PHP script accepts user input through HTTP parameters and directly uses this input to construct file paths for inclusion without sanitizing or validating the content. This creates an attack surface where remote adversaries can specify arbitrary URLs or file paths that the application will attempt to include and execute, effectively bypassing local file access restrictions.
From an operational perspective, this vulnerability presents a severe risk to affected systems as it enables remote code execution capabilities. Attackers can leverage this flaw to include malicious PHP scripts hosted on remote servers, potentially leading to complete system compromise, data theft, or further network infiltration. The impact extends beyond simple code execution to include potential privilege escalation and persistence mechanisms that attackers can employ to maintain access to compromised systems. This vulnerability represents a critical weakness in web application security architecture and demonstrates the importance of input validation and secure coding practices.
Mitigation strategies for CVE-2001-1050 should focus on implementing proper input validation and sanitization mechanisms. Organizations should avoid using user-supplied input directly in file inclusion operations and instead implement whitelisting approaches or strict path validation. The use of secure coding practices such as those outlined in the OWASP Top Ten and MITRE ATT&CK framework should be enforced, particularly focusing on preventing insecure direct object references and remote file inclusion attacks. Additionally, network segmentation and proper access controls should be implemented to limit the potential impact of such vulnerabilities, while regular security audits and code reviews should be conducted to identify and remediate similar weaknesses in other applications.