CVE-2001-1237 in Phormation
Summary
by MITRE
Phormation PHP script 0.9.1 and earlier allows remote attackers to execute arbitrary code by including files from remote web sites, using an HTTP request that modifies the phormationdir variable.
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Analysis
by VulDB Data Team • 09/27/2025
The vulnerability described in CVE-2001-1237 represents a critical remote code execution flaw in Phormation PHP script versions 0.9.1 and earlier. This vulnerability stems from improper input validation and insecure file inclusion mechanisms within the application's handling of the phormationdir variable. The flaw allows remote attackers to manipulate the application's file inclusion process by crafting malicious HTTP requests that modify this variable, thereby enabling the execution of arbitrary code on the affected system.
The technical exploitation of this vulnerability occurs through a classic insecure file inclusion attack pattern where the phormationdir variable serves as a critical parameter that controls which directories the application searches for files. When an attacker can manipulate this variable through HTTP request parameters, they can redirect the application to include files from remote web servers. This type of vulnerability falls under the CWE-98 category of "Improper Control of Resource Identifiers" and specifically relates to CWE-88 which addresses "Improper Neutralization of Argument Separators in a Command." The vulnerability demonstrates a fundamental lack of proper input sanitization and validation mechanisms that should prevent external control of critical system parameters.
From an operational impact perspective, this vulnerability presents a severe threat to affected systems as it allows attackers to execute arbitrary code with the privileges of the web server process. The remote nature of the exploit means that attackers can leverage this vulnerability from anywhere on the internet without requiring local access or prior authentication. The implications extend beyond simple code execution to potential full system compromise, data exfiltration, and establishment of persistent backdoors. According to ATT&CK framework, this vulnerability maps to T1059.007 for "Command and Scripting Interpreter: PowerShell" and T1105 for "Remote File Copy" as attackers can use the compromised system to download additional malicious payloads or establish persistent access.
The remediation approach for this vulnerability requires immediate implementation of several security controls. Organizations should upgrade to a patched version of Phormation PHP script that properly validates and sanitizes the phormationdir variable input. The fix should implement strict input validation that prevents external manipulation of critical system parameters and employ a whitelist approach for file inclusion operations. Additionally, implementing proper access controls and network segmentation can help limit the potential impact of such vulnerabilities. Security monitoring should be enhanced to detect unusual file inclusion patterns and parameter manipulation attempts. The vulnerability also highlights the importance of following secure coding practices such as those outlined in the OWASP Secure Coding Practices, specifically the principle of least privilege and input validation. Organizations should also consider implementing web application firewalls and runtime application self-protection mechanisms to detect and block exploitation attempts. The remediation process should include thorough security testing to ensure that the fix does not introduce new vulnerabilities while effectively addressing the identified weakness in the application's file inclusion mechanism.