CVE-2007-2879 in GNUTurk Portal System
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in mods.php in GTP GNUTurk Portal System 3G allows remote attackers to inject arbitrary web script or HTML via the month parameter.
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Analysis
by VulDB Data Team • 09/06/2025
The CVE-2007-2879 vulnerability represents a classic cross-site scripting flaw within the GTP GNUTurk Portal System 3G platform, specifically targeting the mods.php script. This vulnerability resides in the handling of user-supplied input through the month parameter, creating a persistent security weakness that enables malicious actors to execute arbitrary web scripts or HTML code within the context of affected user browsers. The vulnerability classification aligns with CWE-79, which defines Cross-Site Scripting as a weakness where untrusted data is embedded into web pages viewed by other users without proper validation or sanitization.
The technical exploitation of this vulnerability occurs when remote attackers manipulate the month parameter in the mods.php endpoint to inject malicious scripts. When the vulnerable application processes this input without adequate sanitization measures, the injected code becomes part of the web page response and executes in the browsers of unsuspecting users who visit the affected pages. This creates a persistent threat vector where attackers can leverage the vulnerability to steal session cookies, deface web pages, redirect users to malicious sites, or perform other malicious activities that compromise user security and application integrity.
From an operational impact perspective, this vulnerability poses significant risks to the GTP GNUTurk Portal System 3G environment and its users. The attack surface extends beyond simple script injection to potentially enable more sophisticated attacks such as session hijacking, credential theft, and data exfiltration. The vulnerability's remote exploitation capability means that attackers can target users from any location without requiring physical access to the system. According to ATT&CK framework, this vulnerability maps to T1531 - Run-time Application Masking and T1059 - Command and Scripting Interpreter, as it allows attackers to execute malicious code within legitimate user sessions.
The remediation approach for this vulnerability requires implementing proper input validation and output encoding mechanisms within the application. The system should sanitize all user-supplied input, particularly parameters like month, through strict validation that rejects or encodes potentially dangerous characters. Input filtering should occur at multiple levels including the application layer and potentially at the web application firewall level. Security measures should include implementing Content Security Policy headers, proper HTML escaping of dynamic content, and regular security code reviews to prevent similar injection vulnerabilities. Organizations should also consider implementing automated vulnerability scanning tools to identify and remediate such issues before they can be exploited in production environments. The vulnerability demonstrates the critical importance of input validation in web applications and highlights the need for comprehensive security testing throughout the software development lifecycle to prevent such persistent threats from compromising user sessions and data integrity.