CVE-2006-2001 in Scry Gallery
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in index.php in Scry Gallery 1.1 allows remote attackers to inject arbitrary web script or HTML via the p parameter. NOTE: this is a different vulnerability than the directory traversal vector.
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Analysis
by VulDB Data Team • 07/12/2021
The vulnerability identified as CVE-2006-2001 represents a classic cross-site scripting flaw within the Scry Gallery 1.1 web application. This issue specifically affects the index.php script and manifests when the application fails to properly sanitize user input passed through the p parameter. The vulnerability operates at the application layer and demonstrates a fundamental weakness in input validation and output encoding practices that are critical for web application security. Such flaws fall under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and well-documented security vulnerabilities in web applications. The vulnerability is particularly concerning because it allows remote attackers to execute arbitrary web scripts or HTML code within the context of other users' browsers, potentially leading to session hijacking, credential theft, or further exploitation of the affected system.
The technical implementation of this vulnerability stems from the application's failure to adequately filter or escape user-supplied data before incorporating it into dynamically generated web pages. When an attacker submits malicious content through the p parameter, the application processes this input without proper sanitization measures, allowing the injected script to be executed by unsuspecting victims who view the affected page. This type of vulnerability operates within the context of the web application's trust model, where legitimate user input is expected to be safe and harmless. The flaw represents a failure in the principle of least privilege and proper input validation, as the application should never trust external input without proper sanitization. The attack vector is particularly dangerous because it requires no special privileges or access to the system itself, making it an attractive target for attackers seeking to compromise user sessions or gain unauthorized access to sensitive information.
From an operational impact perspective, this vulnerability creates significant risks for organizations using Scry Gallery 1.1, as it enables attackers to perform session hijacking attacks, steal cookies, redirect users to malicious websites, or inject malicious content that could compromise user systems. The vulnerability's remote nature means that attackers can exploit it from anywhere on the internet without requiring physical access to the target system. This flaw directly impacts the confidentiality, integrity, and availability of the web application and its users' data. The potential for credential theft or account takeover makes this vulnerability particularly dangerous in environments where users may have access to sensitive information or perform critical business functions through the gallery application. Organizations may experience reputational damage, regulatory compliance issues, and potential legal consequences if users' data is compromised through such attacks.
The mitigation strategies for this vulnerability should focus on implementing proper input validation and output encoding mechanisms throughout the application. The most effective remediation involves sanitizing all user input, particularly parameters like p, through proper escaping techniques before incorporating them into web page content. This approach aligns with the ATT&CK framework's defensive techniques for preventing code injection vulnerabilities and demonstrates the importance of secure coding practices. Organizations should implement proper parameter validation, employ content security policies, and utilize web application firewalls to detect and prevent such attacks. Additionally, regular security testing, including automated scanning and manual penetration testing, should be conducted to identify similar vulnerabilities in the application code. The fix should be implemented according to secure coding standards and best practices, ensuring that all user-supplied data is treated as potentially malicious until proven otherwise. Organizations should also consider implementing proper error handling and logging mechanisms to detect potential exploitation attempts and maintain audit trails for security incident response activities.