CVE-2007-3353 in MyEvent
Summary
by MITRE
** DISPUTED ** PHP remote file inclusion vulnerability in includes/template.php in MyEvent 1.6 allows remote attackers to execute arbitrary PHP code via a URL in the myevent_path parameter. NOTE: a reliable third party disputes this issue, saying "the entire file is a class."
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Analysis
by VulDB Data Team • 08/08/2024
The vulnerability identified as CVE-2007-3353 relates to a remote file inclusion flaw discovered in the MyEvent 1.6 web application's template handling component. This issue exists within the includes/template.php file where the application fails to properly validate or sanitize user-supplied input parameters. The specific parameter affected is myevent_path which is used to determine the path for including template files. When an attacker can manipulate this parameter with a malicious URL, the application may execute arbitrary PHP code on the server, potentially leading to complete system compromise. This type of vulnerability falls under the category of insecure direct object references and represents a critical security weakness that can be exploited for remote code execution.
The technical nature of this vulnerability stems from improper input validation mechanisms within the PHP application's template inclusion process. The flaw occurs when user input is directly concatenated into file inclusion statements without proper sanitization or validation. According to CWE-98, this represents a weakness where a web application includes files based on user-supplied input without adequate validation, allowing attackers to specify arbitrary files for inclusion. The vulnerability enables attackers to leverage the remote file inclusion capability to execute malicious code, potentially gaining full administrative control over the affected system. The attack vector requires minimal privileges and can be exploited through simple HTTP requests containing malicious URLs in the myevent_path parameter.
The operational impact of this vulnerability extends beyond simple code execution to encompass complete system compromise and data breaches. An attacker exploiting this vulnerability can execute arbitrary commands on the target server, potentially leading to unauthorized access to sensitive data, modification of system files, or establishment of persistent backdoors. The remote code execution capability allows for privilege escalation and lateral movement within network environments. This vulnerability can also be leveraged to perform more sophisticated attacks such as credential theft, data exfiltration, or deployment of additional malware. The severity is compounded by the fact that the vulnerability affects a core application component that handles template rendering, making it a high-value target for attackers.
Security mitigations for this vulnerability should focus on implementing robust input validation and sanitization mechanisms within the application code. The recommended approach involves implementing proper parameter validation that rejects any input containing potentially dangerous characters or URL schemes. According to ATT&CK framework, specifically technique T1059.007 for command and scripting interpreter, this vulnerability represents a pathway for adversaries to execute code remotely. Organizations should implement whitelisting mechanisms that restrict file inclusion to predefined safe paths and ensure all user input is properly escaped or encoded before being processed. Additionally, the application should be updated to use absolute paths for file inclusion and implement proper access controls to prevent unauthorized file access. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other components of the application stack.