CVE-2006-2294 in Dynamic Galerie
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Dynamic Galerie 1.0 allows remote attackers to inject arbitrary web script or HTML via the pfad parameter in (1) index.php and (2) galerie.php. NOTE: this issue might be resultant from directory traversal.
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Analysis
by VulDB Data Team • 09/07/2017
The vulnerability identified as CVE-2006-2294 represents a classic cross-site scripting flaw within the Dynamic Galerie 1.0 web application, specifically affecting the index.php and galerie.php scripts. This vulnerability exposes the application to remote code execution risks where malicious actors can inject arbitrary web scripts or HTML content through the pfad parameter. The flaw demonstrates a critical weakness in input validation and output encoding mechanisms, allowing attackers to bypass security controls and execute malicious code within the context of other users' browsers. The vulnerability's classification as CWE-79 indicates improper neutralization of input during web page generation, which is a fundamental web application security weakness that has persisted across numerous applications over many years.
The technical exploitation of this vulnerability occurs through the manipulation of the pfad parameter, which serves as an entry point for attackers to inject malicious payloads. When the application processes this parameter without adequate sanitization or encoding, it inadvertently renders attacker-controlled content within web pages served to legitimate users. This creates a persistent threat where any user visiting affected pages becomes a potential victim of the injected malicious scripts. The directory traversal aspect mentioned in the description suggests that the vulnerability might extend beyond simple parameter injection to include path manipulation techniques that could potentially allow attackers to access restricted files or directories. This combination of XSS and potential directory traversal capabilities significantly amplifies the attack surface and potential impact of the vulnerability.
The operational impact of this vulnerability extends beyond simple script injection to encompass serious security implications for web application integrity and user data protection. When successful, attackers can steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious sites, or even establish persistent backdoors within the application environment. The remote nature of the attack means that exploitation can occur from anywhere on the internet without requiring physical access to the target system. This vulnerability directly violates several security principles including the principle of least privilege and proper input validation, as the application fails to properly sanitize user-supplied data before incorporating it into dynamically generated web content. Organizations using Dynamic Galerie 1.0 would face significant risks including data breaches, service disruption, and potential compromise of user credentials.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application. The primary defense involves sanitizing all user-supplied input parameters, particularly the pfad parameter, by implementing strict validation rules and encoding output before rendering in web pages. Organizations should deploy proper HTML escaping techniques to prevent script execution in contexts where user input is displayed. Additionally, implementing a web application firewall with XSS detection capabilities and regular security code reviews can help identify and remediate similar vulnerabilities. The fix should include proper parameter validation to reject or sanitize any input containing potentially dangerous characters or sequences. Security measures should also include monitoring for unusual parameter patterns and implementing content security policies to limit the execution of unauthorized scripts within the application context. This vulnerability serves as a reminder of the critical importance of input validation and output encoding in preventing XSS attacks, with implications that align with ATT&CK technique T1059.001 for command and scripting interpreter usage and T1566.001 for spearphishing attachments that could leverage such vulnerabilities to establish persistence within affected systems.