CVE-2006-4102 in SQLiteWebAdmin
Summary
by MITRE
PHP remote file inclusion vulnerability in tpl.inc.php in Falko Timme and Till Brehm SQLiteWebAdmin 0.1 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the conf[classpath] parameter.
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Analysis
by VulDB Data Team • 07/12/2024
The vulnerability identified as CVE-2006-4102 represents a critical remote file inclusion flaw affecting SQLiteWebAdmin versions 0.1 and earlier developed by Falko Timme and Till Brehm. This security weakness resides within the tpl.inc.php file and manifests through improper input validation mechanisms that fail to sanitize user-supplied data. The vulnerability specifically targets the conf[classpath] parameter, which when manipulated by an attacker can lead to arbitrary code execution on the affected system. The flaw demonstrates characteristics consistent with CWE-88, which describes improper neutralization of special elements used in an OS command, and more specifically aligns with CWE-94, representing improper execution of code, as the vulnerability enables remote attackers to inject and execute malicious PHP code. This type of vulnerability falls squarely within the ATT&CK framework under T1190, which encompasses the exploitation of remote services, and T1059, covering the execution of malicious code through command and scripting interpreters.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL and passes it through the conf[classpath] parameter, causing the application to include and execute the remote file. The flaw stems from the application's failure to validate or sanitize input parameters before using them in file inclusion operations, creating a path traversal scenario where attacker-controlled content can be executed as part of the application's runtime process. When the vulnerable application processes this parameter, it essentially treats the remote URL as a local file path, allowing the attacker to load and execute arbitrary PHP code from an external server. This vulnerability is particularly dangerous because it can be exploited without authentication, making it accessible to any remote attacker who can access the affected web application. The impact extends beyond simple code execution to potentially allow full system compromise, data exfiltration, and persistence mechanisms.
The operational impact of CVE-2006-4102 is severe and multifaceted, as it provides attackers with complete control over the affected system. Once exploited, attackers can establish backdoors, escalate privileges, and access sensitive data stored within the SQLite database or the application environment. The vulnerability's remote nature means that attackers can exploit it from anywhere on the internet without requiring physical access to the system. Organizations using affected versions of SQLiteWebAdmin face significant risk of data breaches, system compromise, and potential lateral movement within their network infrastructure. The vulnerability also creates opportunities for attackers to use the compromised system as a launch point for further attacks against other systems within the organization's network perimeter. This type of vulnerability can also lead to regulatory compliance violations and significant financial losses due to data breaches, system downtime, and remediation costs.
Mitigation strategies for CVE-2006-4102 must address both immediate remediation and long-term security improvements. The primary recommendation involves upgrading to a patched version of SQLiteWebAdmin where the vulnerability has been resolved through proper input validation and sanitization of user parameters. Organizations should implement strict input validation mechanisms that prevent the inclusion of external URLs in file path parameters and establish proper parameter sanitization routines. Network-level protections such as web application firewalls and intrusion prevention systems can provide additional layers of defense by monitoring for suspicious URL patterns and blocking known malicious payloads. Security configurations should enforce the principle of least privilege, limiting the application's ability to access external resources and restricting file inclusion operations to trusted local paths only. Regular security assessments and vulnerability scanning should be conducted to identify similar flaws in other applications and systems, while also implementing proper access controls and monitoring mechanisms to detect unauthorized access attempts. The remediation process should also include comprehensive security training for developers to prevent similar vulnerabilities in future application development cycles.