CVE-2006-7044 in Clan Manager Pro
Summary
by MITRE
PHP remote file inclusion vulnerability in comment.core.inc.php in Clan Manager Pro (CMPRO) 1.11 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the sitepath parameter.
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Analysis
by VulDB Data Team • 10/13/2017
The vulnerability identified as CVE-2006-7044 represents a critical remote file inclusion flaw in Clan Manager Pro version 1.11 and earlier, specifically within the comment.core.inc.php component. This vulnerability falls under the category of insecure direct object references and improper input validation, creating a pathway for malicious actors to execute arbitrary code on vulnerable systems. The flaw manifests when the application fails to properly validate user-supplied input passed through the sitepath parameter, allowing attackers to inject malicious URLs that are then processed as include directives.
The technical exploitation of this vulnerability occurs through the manipulation of the sitepath parameter which is used to determine the path for including additional PHP components. When an attacker supplies a malicious URL in this parameter, the application's insecure handling of the input allows the remote file inclusion to proceed, effectively executing code from the attacker-controlled remote server. This type of vulnerability is classified as CWE-88, which specifically addresses improper neutralization of special elements used in an expression, and aligns with CWE-94, which covers execution of arbitrary code due to improper input validation. The vulnerability directly enables code execution at the privilege level of the web server, potentially allowing full system compromise.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the ability to establish persistent access, escalate privileges, and potentially compromise the entire web infrastructure. In the context of the ATT&CK framework, this vulnerability maps to the T1059.007 technique for command and scripting interpreter, and the T1190 technique for exploit public-facing application. The vulnerability's remote nature means that attackers do not require physical access to the system and can exploit it from anywhere on the internet, making it particularly dangerous for web applications that are publicly accessible. Organizations running affected versions of Clan Manager Pro face significant risk of data breaches, system compromise, and potential lateral movement within their network infrastructure.
Mitigation strategies for CVE-2006-7044 require immediate implementation of several security measures including the direct upgrade to a patched version of Clan Manager Pro, as the vulnerability was addressed in subsequent releases. Additionally, developers should implement strict input validation and sanitization for all user-supplied parameters, particularly those used in include or require statements. The principle of least privilege should be enforced by configuring web server permissions to prevent remote file inclusion attacks. Network segmentation and firewall rules can help limit exposure by restricting access to vulnerable applications. The implementation of web application firewalls and input validation mechanisms provides additional layers of protection against similar vulnerabilities. Organizations should also conduct thorough code reviews to identify other potential insecure file inclusion patterns and implement proper parameter validation techniques to prevent exploitation of similar weaknesses in other applications.