CVE-2006-6874 in eNdonesia
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in friend.php in eNdonesia 8.4 allow remote attackers to inject arbitrary web script or HTML via the (1) Message or (2) Your Name field. NOTE: The provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 08/12/2018
The vulnerability described in CVE-2006-6874 represents a critical cross-site scripting flaw in the friend.php component of eNdonesia version 8.4, classified under CWE-79 as improper neutralization of input during web output. This vulnerability exists within the web application's user input handling mechanisms where the Message and Your Name fields fail to properly sanitize or validate user-provided data before rendering it in web responses. The flaw allows remote attackers to execute malicious scripts in the context of other users' browsers, potentially leading to session hijacking, credential theft, or unauthorized actions within the application's security boundaries.
The technical implementation of this vulnerability stems from the application's failure to implement proper input validation and output encoding mechanisms. When users submit data through the Message or Your Name fields in the friend.php script, the application directly incorporates this unvalidated input into HTML responses without appropriate sanitization. This creates an environment where attackers can embed malicious JavaScript code, HTML tags, or other harmful content that executes when other users view the affected page. The vulnerability is particularly concerning as it affects fields that are commonly used in social interaction features, making it highly exploitable in contexts where user-generated content is displayed.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform various malicious activities through the established XSS vector. An attacker could craft payloads that steal session cookies, redirect users to malicious websites, modify page content, or perform actions on behalf of authenticated users. The lack of detailed information regarding the vulnerability's origin prevents complete assessment of its specific exploitation methods, but the nature of XSS vulnerabilities in web applications typically allows for persistent or reflected attacks depending on how the input is stored and subsequently displayed. This vulnerability particularly affects user trust and application integrity within the eNdonesia platform.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding measures. The application should employ strict sanitization of all user inputs, particularly those fields that are rendered in web responses, through the use of proper HTML escaping techniques and input validation frameworks. Security controls should include the implementation of Content Security Policy headers to limit script execution, proper encoding of output data, and regular input validation to prevent malicious code injection. Additionally, the application should implement proper access controls and monitoring to detect potential exploitation attempts, as recommended in the ATT&CK framework's techniques for web application exploitation. The vulnerability demonstrates the critical importance of input sanitization in preventing client-side attacks and maintaining web application security.