CVE-2002-0375 in Sgdynamo
Summary
by MITRE
Cross-site scripting vulnerability in sgdynamo.exe for Sgdynamo allows remote attackers to execute arbitrary Javascript via a URL with the script in the HTNAME parameter.
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Analysis
by VulDB Data Team • 05/29/2025
The vulnerability described in CVE-2002-0375 represents a classic cross-site scripting flaw within the Sgdynamo web application component. This issue affects the sgdynamo.exe executable which serves as a server-side component for handling web requests and processing user input through HTTP parameters. The vulnerability specifically manifests when the application fails to properly sanitize or validate input received through the HTNAME parameter in URLs, creating an opportunity for malicious actors to inject and execute arbitrary JavaScript code within the context of other users' browsers. The flaw exists at the application level where user-supplied data flows directly into web responses without adequate security controls to prevent code injection attacks.
This cross-site scripting vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent web application security weaknesses documented in the CWE database. The vulnerability enables attackers to craft malicious URLs containing JavaScript payloads within the HTNAME parameter that, when accessed by unsuspecting victims, execute in their browsers with the privileges of the victim's session. The impact extends beyond simple script execution as it can lead to session hijacking, credential theft, data manipulation, and potentially full compromise of user accounts. The vulnerability is particularly dangerous because it allows attackers to leverage the trust relationship between the victim's browser and the vulnerable web application, making the attack vector more subtle and effective than traditional client-side exploits.
The operational impact of this vulnerability is significant for organizations relying on Sgdynamo for web-based services. When exploited, the vulnerability can enable attackers to perform actions such as stealing session cookies, modifying web page content, redirecting users to malicious sites, or even executing administrative functions if the targeted users have elevated privileges. The attack requires minimal technical expertise to exploit, as it involves crafting a URL with malicious JavaScript in the HTNAME parameter and persuading victims to click on the link. This makes the vulnerability particularly dangerous in environments where users may encounter such links through email, web forums, or other social engineering vectors. The vulnerability affects the confidentiality, integrity, and availability of web applications by allowing unauthorized code execution in user contexts.
Mitigation strategies for this vulnerability should focus on implementing robust input validation and output encoding mechanisms. The primary defense involves sanitizing all user-supplied input, particularly parameters like HTNAME, by removing or escaping potentially dangerous characters that could be interpreted as JavaScript code. Organizations should implement proper HTML encoding for all dynamic content rendered to web pages to prevent script execution even if malicious input slips through validation. Additionally, implementing a Content Security Policy (CSP) header can provide an additional layer of protection by restricting the sources from which scripts can be loaded and executed. The security community recommends following the OWASP Top Ten guidelines for preventing cross-site scripting vulnerabilities, including input validation, output encoding, and the principle of least privilege. Regular security testing including dynamic application security testing and manual penetration testing should be conducted to identify similar vulnerabilities in web applications and ensure that input validation controls remain effective against evolving attack techniques.