CVE-2009-1091 in Rapidleech
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in upload.php in Rapidleech rev.36 and earlier allows remote attackers to inject arbitrary web script or HTML via the uploaded parameter.
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Analysis
by VulDB Data Team • 11/03/2018
The vulnerability identified as CVE-2009-1091 represents a classic cross-site scripting flaw within the Rapidleech file upload functionality, specifically in the upload.php component of versions prior to rev.36. This issue arises from inadequate input validation and sanitization mechanisms that fail to properly process user-supplied data before it is rendered in web pages. The vulnerability manifests when attackers exploit the uploaded parameter to inject malicious scripts that can execute in the context of other users' browsers who view the uploaded content. This particular weakness falls under the CWE-79 category of Cross-Site Scripting, which is a fundamental web application security concern that has persisted across numerous systems and frameworks throughout the years.
The technical exploitation of this vulnerability occurs when an attacker uploads a file with malicious script content in its name or metadata, and the application fails to sanitize this input before displaying it to other users. The uploaded parameter serves as the primary injection vector, allowing attackers to bypass normal security controls that would typically prevent script execution in web contexts. When other users access pages that display the uploaded file information, their browsers execute the injected scripts, potentially leading to session hijacking, credential theft, or redirection to malicious sites. This vulnerability operates at the application layer and requires no special privileges to exploit, making it particularly dangerous in environments where multiple users interact with shared file upload systems.
The operational impact of CVE-2009-1091 extends beyond simple script injection, as it can enable sophisticated attack chains that compromise user sessions and sensitive data. Attackers can leverage this vulnerability to steal authentication cookies, perform actions on behalf of authenticated users, or redirect victims to phishing sites that mimic legitimate services. The vulnerability's persistence in versions up to rev.36 indicates a lack of proper security testing and input validation during the application's development lifecycle, suggesting that similar flaws may exist in other components of the Rapidleech platform. Organizations using affected versions face potential data breaches, regulatory compliance violations, and reputational damage when this vulnerability is exploited in real-world scenarios.
Mitigation strategies for CVE-2009-1091 must focus on implementing robust input validation and output encoding mechanisms within the application's file upload processing. The most effective approach involves sanitizing all user-supplied input through comprehensive validation that strips or encodes potentially dangerous characters before storing or displaying uploaded content. Organizations should implement proper content type checking, filename sanitization, and enforce strict file extension validation to prevent malicious scripts from being executed. Additionally, the application should employ context-specific output encoding for all dynamic content, particularly when displaying file names or metadata in web pages. Security measures should align with established frameworks such as the OWASP Top Ten and NIST cybersecurity guidelines, ensuring that input validation follows the principle of least privilege and that all user-supplied data is treated as potentially malicious. Regular security assessments and code reviews are essential to identify and remediate similar vulnerabilities that may exist in the broader application architecture.