CVE-2006-1107 in NMDeluxe
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in news.php in NMDeluxe before 1.0.1 allows remote attackers to inject arbitrary web script or HTML via the nick parameter.
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Analysis
by VulDB Data Team • 07/20/2018
The vulnerability identified as CVE-2006-1107 represents a classic cross-site scripting flaw within the NMDeluxe news management system prior to version 1.0.1. This security weakness resides in the news.php script and specifically affects the handling of the nick parameter, which is commonly used for user identification in news posting functionalities. The flaw enables malicious actors to inject arbitrary web scripts or HTML code into the application's output, creating a persistent security risk for all users interacting with the vulnerable system. This type of vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a critical web application security issue that has been consistently documented in the OWASP Top Ten security risks.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious payload containing script code and passes it through the nick parameter in the news.php script. When the application processes this parameter without proper sanitization or output encoding, the injected code becomes part of the web page response and executes within the browser context of unsuspecting users. This allows attackers to perform various malicious activities including session hijacking, credential theft, data exfiltration, and redirection to malicious websites. The vulnerability demonstrates poor input validation practices where user-supplied data is directly incorporated into dynamic web content without adequate security measures to prevent code injection attacks.
The operational impact of this vulnerability extends beyond simple script execution, as it can be leveraged for more sophisticated attacks within the context of the compromised web application. Users who view news items containing malicious nick parameters become victims of the attack, with their browsers executing the injected code in their context. This creates a vector for persistent threats where attackers can establish backdoors, steal cookies, or manipulate application functionality. The vulnerability affects the integrity and confidentiality of user data, potentially leading to unauthorized access to sensitive information and compromise of user sessions. From an attacker perspective, this vulnerability provides a low-effort, high-impact method for conducting web-based attacks against the NMDeluxe application users.
Mitigation strategies for CVE-2006-1107 should focus on implementing proper input validation and output encoding mechanisms within the news.php script. The most effective approach involves sanitizing all user inputs, particularly the nick parameter, by removing or encoding potentially dangerous characters such as angle brackets, quotes, and script tags. Implementing a whitelist-based input validation approach that only accepts expected character patterns will prevent malicious code injection. Additionally, the application should employ proper output encoding when displaying user-supplied content, ensuring that any special characters are properly escaped before rendering in HTML contexts. This vulnerability aligns with ATT&CK technique T1059.007 for command and scripting interpreter and represents a fundamental security misconfiguration that can be addressed through secure coding practices and regular security assessments. Organizations should also implement Content Security Policy headers to provide additional defense-in-depth against XSS attacks, while ensuring that all web applications undergo regular security testing and code reviews to identify and remediate similar vulnerabilities before they can be exploited by threat actors.