CVE-2012-4567 in LetoDMS
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in LetoDMS (formerly MyDMS) before 3.3.8 allow remote attackers to inject arbitrary web script or HTML via unspecified parameters in (1) inc/inc.ClassUI.php or (2) out/out.DocumentNotify.php.
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Analysis
by VulDB Data Team • 11/30/2019
The vulnerability identified as CVE-2012-4567 represents a critical cross-site scripting flaw affecting LetoDMS versions prior to 3.3.8. This vulnerability resides within the web application's input validation mechanisms and allows remote attackers to execute malicious scripts in the context of victim browsers. The flaw manifests in two primary locations within the application's codebase specifically in inc/inc.ClassUI.php and out/out.DocumentNotify.php files. These locations handle user interface rendering and document notification functionalities respectively, making them prime targets for exploitation. The vulnerability stems from insufficient sanitization of user-supplied input parameters that are directly incorporated into web responses without proper encoding or validation. This weakness enables attackers to inject malicious HTML content or JavaScript code that executes in the victim's browser when the affected pages are rendered. The impact of this vulnerability extends beyond simple script execution as it can lead to session hijacking, credential theft, and full compromise of user accounts. The vulnerability is classified under CWE-79 as Improper Neutralization of Input During Web Page Generation, which is a fundamental weakness in web application security. According to ATT&CK framework, this vulnerability maps to T1566.001 - Phishing via Social Engineering, as it enables attackers to craft malicious web pages that can deceive users into executing harmful code. The exploitability of this vulnerability is high since it requires no authentication and can be leveraged by attackers to inject persistent malicious content that affects multiple users. The affected parameters in the specified PHP files likely handle user input related to document notifications, user interface elements, or administrative functions that are processed and displayed without adequate security controls. Attackers can leverage this vulnerability to manipulate the application's behavior and potentially escalate privileges or access sensitive information. The vulnerability represents a classic example of insecure input handling that violates fundamental web security principles. Organizations using LetoDMS versions prior to 3.3.8 should immediately implement mitigations including input validation, output encoding, and proper parameter sanitization. The recommended approach involves patching the application to version 3.3.8 or later, which includes the necessary security fixes for these XSS vulnerabilities. Additionally, implementing proper content security policies and regular security assessments can help prevent similar vulnerabilities from emerging in the future. The vulnerability highlights the importance of robust input validation and output encoding practices in web applications. Security teams should prioritize this vulnerability in their remediation efforts and consider implementing web application firewalls as additional protective layers. The impact of this vulnerability can be severe, particularly in environments where sensitive document management and user authentication are critical components of the security infrastructure.