CVE-2006-4428 in Jupiter CMS
Summary
by MITRE
** DISPUTED ** PHP remote file inclusion vulnerability in index.php in Jupiter CMS 1.1.5 allows remote attackers to execute arbitrary PHP code via a URL in the template parameter. NOTE: CVE disputes this claim, since the $template variable is defined as a static value before it is referenced in an include statement.
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Analysis
by VulDB Data Team • 01/17/2025
The vulnerability identified as CVE-2006-4428 pertains to a remote file inclusion issue discovered in Jupiter CMS version 1.1.5, specifically within the index.php file. This type of vulnerability represents a critical security flaw that could potentially allow malicious actors to execute arbitrary code on the affected system. The reported vulnerability stems from how the application handles the template parameter, which when manipulated with a malicious URL, could lead to unauthorized code execution. From a cybersecurity perspective, this represents a classic remote code execution vector that could be exploited to gain full control over the web server hosting the vulnerable CMS.
The technical nature of this vulnerability aligns with CWE-88, which describes improper neutralization of special elements used in an OS command, and more specifically with CWE-94, which covers the execution of code from untrusted sources. The flaw manifests when the $template variable, which should logically be a static value, becomes vulnerable to manipulation through user input. According to the CVE entry, the vulnerability occurs because the template parameter is not properly sanitized before being used in an include statement, creating an opportunity for attackers to inject malicious URLs. This vulnerability falls under the broader category of insecure direct object references and improper input validation, both of which are fundamental weaknesses in web application security architecture.
From an operational standpoint, this vulnerability presents a severe risk to organizations using Jupiter CMS 1.1.5, as it could enable attackers to execute arbitrary PHP code remotely without authentication. The implications extend beyond simple code execution to include potential data breaches, system compromise, and complete server takeover. Attackers could leverage this vulnerability to upload backdoors, exfiltrate sensitive data, or establish persistent access to the compromised system. The ATT&CK framework would categorize this under T1059.007 for execution via PHP and potentially T1505.003 for web shell deployment. The disputed nature of the CVE suggests that security researchers may have questioned whether the vulnerability actually exists in the manner described, as the variable is supposedly defined as static before inclusion, which would typically prevent such exploitation.
The mitigation strategies for this vulnerability involve multiple layers of defense including immediate patching of the affected CMS version, implementing proper input validation and sanitization mechanisms, and employing web application firewalls to detect and block suspicious URL patterns. Organizations should also consider implementing strict file inclusion practices, such as using whitelisting approaches for template parameters, and ensuring that all user-supplied inputs are properly validated before being used in dynamic include statements. Additionally, regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other applications and components within the organization's infrastructure. The disputed nature of this CVE indicates that careful analysis is required to determine the actual exploitability and severity of the reported flaw, emphasizing the importance of thorough vulnerability assessment and validation processes in cybersecurity operations.