CVE-2007-2558 in pfa CMS
Summary
by MITRE
** DISPUTED ** PHP remote file inclusion vulnerability in index.php in phpFullAnnu CMS (pfa CMS) 6.0 allows remote attackers to execute arbitrary PHP code via a URL in the repinc parameter. NOTE: CVE disputes this issue since $repinc is set to a constant value before use.
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Analysis
by VulDB Data Team • 08/07/2024
The vulnerability identified as CVE-2007-2558 pertains to a phpFullAnnu CMS version 6.0 implementation that appears to contain a remote file inclusion flaw in its index.php script. This type of vulnerability represents a serious security concern within web applications as it allows attackers to inject and execute arbitrary code on the target system. The specific vector involves manipulation of the repinc parameter through a URL, which when processed by the application, could lead to unauthorized code execution. From a cybersecurity perspective, this vulnerability falls under the category of remote code execution threats that can fundamentally compromise the integrity and confidentiality of affected systems.
The technical nature of this flaw demonstrates a classic remote file inclusion vulnerability pattern where user-controllable input is directly incorporated into file inclusion operations without proper sanitization or validation. The repinc parameter, when manipulated with a malicious URL, could potentially cause the application to include and execute remote PHP code, thereby allowing attackers to gain control over the affected system. This vulnerability aligns with CWE-88, which describes improper neutralization of special elements used in an expression, and represents a variant of the broader CWE-94 category focusing on arbitrary code execution through insecure input handling. The ATT&CK framework would classify this under T1059.007 for command and scripting interpreter with PHP as the execution method.
Despite the CVE identifier's disputed status, the underlying security implications remain significant for organizations still using vulnerable versions of this CMS. The disputed nature likely stems from the specific implementation details where the repinc variable appears to be set to a constant value before use, suggesting that the vulnerability may not be exploitable in all scenarios or configurations. However, this does not negate the potential risk that exists in improperly configured environments or when additional vulnerabilities exist within the application's broader attack surface. Organizations should conduct thorough security assessments to determine actual exploitability, particularly when legacy systems are in use, as the presence of such vulnerabilities often indicates broader security misconfigurations that may expose other attack vectors.
The operational impact of this vulnerability extends beyond simple code execution, as it could enable attackers to establish persistent access, escalate privileges, and potentially use the compromised system as a launchpad for further attacks within the network. The remote nature of the exploit means that attackers do not require physical access to the system, making detection and prevention more challenging. Security teams should implement comprehensive monitoring solutions, maintain updated threat intelligence feeds, and ensure proper input validation mechanisms are in place to prevent similar vulnerabilities from being exploited in the future. The remediation process should involve immediate patching of the CMS, thorough code review of similar implementations, and implementation of proper parameter validation and sanitization techniques to prevent such issues from recurring in other applications.