CVE-2006-4044 in phpCodeCabinet
Summary
by MITRE
PHP remote file inclusion vulnerability in Beautifier/Core.php in Brad Fears phpCodeCabinet 0.5 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the BEAUT_PATH parameter.
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Analysis
by VulDB Data Team • 08/02/2018
The vulnerability identified as CVE-2006-4044 represents a critical remote file inclusion flaw within the phpCodeCabinet 0.5 software package developed by Brad Fears. This vulnerability exists in the Beautifier/Core.php component and allows malicious actors to inject and execute arbitrary PHP code on the target system. The flaw specifically manifests when the application fails to properly validate or sanitize the BEAUT_PATH parameter, creating an opportunity for remote code execution through manipulation of this input field. The vulnerability operates at the application layer and can be exploited without authentication, making it particularly dangerous in environments where the application is publicly accessible.
The technical root cause of this vulnerability aligns with CWE-98, which describes improper control of code generation capabilities. The flaw occurs due to insufficient input validation and sanitization mechanisms within the phpCodeCabinet application. When a remote attacker provides a malicious URL in the BEAUT_PATH parameter, the application blindly includes this external resource without proper verification, effectively allowing the execution of arbitrary PHP code. This pattern of vulnerability falls under the broader category of remote code execution flaws that have been consistently documented in security frameworks and attack matrices. The vulnerability demonstrates characteristics consistent with ATT&CK technique T1190, which involves using remote services to gain initial access to systems through compromised applications.
The operational impact of this vulnerability extends beyond simple code execution to encompass full system compromise potential. An attacker could leverage this flaw to install backdoors, exfiltrate sensitive data, modify application behavior, or use the compromised system as a launchpad for further attacks within the network. The vulnerability affects all versions of phpCodeCabinet up to and including version 0.5, making it particularly concerning given the widespread use of PHP applications during that time period. Organizations running affected versions face significant risk of unauthorized access and potential data breaches, especially when the application is deployed in web server environments where external input is common. The vulnerability's exploitation requires minimal technical expertise, making it attractive to both skilled and less experienced attackers.
Mitigation strategies for CVE-2006-4044 should prioritize immediate patching of the affected software to version 0.6 or later, which contains the necessary fixes for the remote file inclusion vulnerability. System administrators should implement input validation measures that prevent external URLs from being accepted in the BEAUT_PATH parameter, using allowlists of acceptable values rather than denylists. Network segmentation and firewall rules can help limit access to vulnerable applications, while web application firewalls may provide additional protection layers. Security monitoring should be enhanced to detect unusual patterns in parameter usage that might indicate exploitation attempts. Organizations should also conduct comprehensive vulnerability assessments to identify other potentially affected applications within their infrastructure, as similar patterns of remote file inclusion vulnerabilities have been documented across various PHP applications during this era. The remediation process should include thorough testing to ensure that the patch does not introduce regressions in application functionality while maintaining the security improvements necessary to address the vulnerability.