CVE-2006-6205 in eHomes
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in result.asp in Enthrallweb eHomes allow remote attackers to inject arbitrary web script or HTML via the (1) city or (2) State parameter.
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Analysis
by VulDB Data Team • 09/14/2024
The vulnerability identified as CVE-2006-6205 represents a critical security flaw in the Enthrallweb eHomes web application, specifically within the result.asp component. This issue manifests as multiple cross-site scripting vulnerabilities that significantly compromise the application's security posture and user data integrity. The vulnerability affects the web application's handling of user input parameters, creating an attack vector that allows malicious actors to execute arbitrary web scripts within the context of legitimate user sessions. The affected parameters include both the city and State fields, which are processed without adequate input validation or output sanitization mechanisms. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically classified as a reflected XSS attack where malicious payloads are reflected back to users through the web application's response. The attack occurs when an attacker crafts malicious input containing script code and submits it through the vulnerable parameters, which are then processed and returned to other users without proper sanitization.
The operational impact of this vulnerability extends beyond simple script execution, creating a significant risk to user privacy and application integrity. When users interact with the affected web application, they become potential victims of session hijacking, credential theft, and data exfiltration attacks. The reflected nature of this XSS vulnerability means that attackers can craft malicious URLs containing script payloads that, when clicked by unsuspecting users, execute the malicious code within the user's browser context. This creates a persistent threat where compromised users unknowingly become conduits for further attacks against other users within the same application environment. The vulnerability directly violates the principle of least privilege and proper input validation, as the application fails to sanitize user-supplied data before incorporating it into dynamic web content. From an attack perspective, this vulnerability aligns with ATT&CK technique T1566.001 for Initial Access through Spearphishing Attachments, where attackers can exploit such flaws to deliver malicious payloads to unsuspecting users. The attack surface is particularly concerning given that the vulnerable parameters are commonly used in search and filtering operations, making them frequently accessed and therefore high-value targets for exploitation.
Mitigation strategies for CVE-2006-6205 must address both immediate remediation and long-term architectural improvements to prevent similar vulnerabilities from recurring. The most effective immediate solution involves implementing comprehensive input validation and output encoding mechanisms for all user-supplied parameters, particularly those used in dynamic content generation. This includes sanitizing the city and State parameters through proper HTML entity encoding before rendering them in web responses, ensuring that any potentially malicious script code is neutralized. Organizations should deploy Content Security Policy (CSP) headers to limit the sources from which scripts can be executed, providing an additional layer of protection against XSS attacks. The implementation of proper parameterized queries and input sanitization routines should be enforced throughout the application codebase, following secure coding practices as outlined in OWASP Top Ten and the CWE guidelines. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other application components, as this particular flaw represents a broader pattern of insufficient input validation that may exist elsewhere in the application. Additionally, implementing proper web application firewalls and intrusion detection systems can help detect and prevent exploitation attempts targeting known XSS patterns. The remediation process should also include comprehensive staff training on secure coding practices and vulnerability awareness to prevent similar issues from being introduced during future development cycles.