CVE-2007-5780 in teatro
Summary
by MITRE
PHP remote file inclusion vulnerability in pub/pub08_comments.php in teatro 1.6 allows remote attackers to execute arbitrary PHP code via a URL in the basePath parameter.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 10/09/2024
The vulnerability identified as CVE-2007-5780 represents a critical remote file inclusion flaw in the teatro 1.6 content management system, specifically within the pub/pub08_comments.php script. This issue falls under the category of insecure direct object references and improper input validation, creating a pathway for remote attackers to execute arbitrary code on the affected system. The vulnerability stems from the application's failure to properly validate and sanitize user-supplied input parameters, particularly the basePath parameter that is directly incorporated into file inclusion operations without adequate security controls.
The technical implementation of this vulnerability exploits the PHP include or require functions, which are designed to incorporate and execute code from external files. When the basePath parameter is manipulated by an attacker, it can be crafted to reference malicious remote files hosted on external servers. This allows threat actors to inject and execute arbitrary PHP code, potentially gaining full control over the affected web server. The flaw specifically manifests when the application concatenates user-provided input directly into file inclusion statements, creating a condition where external URLs can be executed as PHP code. This vulnerability is classified as a CWE-98 weakness, which represents improper file inclusion, and aligns with ATT&CK technique T1505.003 for Server-Side Include Injection.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with complete system compromise capabilities. Successful exploitation can lead to unauthorized access to sensitive data, server takeover, and the potential for establishing persistent backdoors. Attackers can leverage this vulnerability to execute commands, upload additional malicious payloads, and perform reconnaissance activities against the internal network. The vulnerability affects organizations running teatro 1.6 installations, potentially exposing them to data breaches, service disruption, and compliance violations. The remote nature of the attack means that exploitation can occur from anywhere on the internet without requiring physical access to the target system.
Mitigation strategies for CVE-2007-5780 must address both immediate remediation and long-term security hardening measures. The primary fix involves implementing proper input validation and sanitization for all user-supplied parameters, particularly those used in file inclusion operations. Organizations should disable remote file inclusion capabilities entirely by configuring PHP settings to restrict include operations to local files only. Input validation should be implemented at multiple layers including application-level filtering, parameter validation, and the use of allowlists for acceptable file paths. Additionally, the affected teatro 1.6 installation should be upgraded to the latest available version that contains patches addressing this vulnerability. Security monitoring should be enhanced to detect suspicious file inclusion patterns, and regular security assessments should be conducted to identify similar vulnerabilities in other applications. Network-level controls such as web application firewalls and intrusion detection systems can provide additional protection against exploitation attempts. The vulnerability also underscores the importance of following secure coding practices and conducting regular security code reviews to prevent similar issues in future development cycles.