CVE-2006-0535 in Community Server
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Community Server allow remote attackers to inject arbitrary web script or HTML via unknown attack vectors. NOTE: this candidate does not contain any actionable or distinguishing information. Perhaps it should not be included in CVE. 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 • 08/05/2017
The vulnerability identified as CVE-2006-0535 represents a critical security flaw within Community Server software that exposes systems to cross-site scripting attacks. This type of vulnerability falls under the broader category of web application security issues that have been consistently documented in cybersecurity frameworks, with the underlying weakness typically classified as CWE-79 - Improper Neutralization of Input During Web Page Generation. The vulnerability stems from inadequate validation and sanitization of user inputs that are subsequently reflected back to users within web pages, creating an attack surface where malicious actors can inject arbitrary scripts or HTML content.
The technical nature of this vulnerability allows remote attackers to execute malicious code within the context of a victim's browser session without requiring any privileged access or authentication. This characteristic places the vulnerability squarely within the ATT&CK framework under the T1059.001 technique category, which encompasses command and scripting interpreters. The attack vectors remain unspecified in the CVE description, which creates challenges for security professionals attempting to implement effective defenses, as the lack of detailed information prevents comprehensive threat modeling and risk assessment. The vulnerability's classification as a "multiple XSS" indicates that the flaw exists across several components or input points within the Community Server application, increasing the potential attack surface and making remediation more complex.
The operational impact of this vulnerability is significant as it enables attackers to perform various malicious activities including session hijacking, credential theft, data exfiltration, and defacement of web content. When users interact with compromised pages, the injected scripts execute in their browsers, potentially leading to unauthorized access to sensitive information or system compromise. The fact that this vulnerability affects Community Server, which is designed for collaborative web environments, creates additional risks as these platforms often contain user-generated content and personal information. Organizations relying on such platforms face potential reputational damage, regulatory compliance issues, and financial losses due to successful exploitation attempts.
Mitigation strategies for this vulnerability should focus on implementing robust input validation and output encoding mechanisms throughout the application. Security professionals should deploy web application firewalls that can detect and block suspicious script injection attempts, while also ensuring proper sanitization of all user inputs before processing. The implementation of Content Security Policy headers can provide additional protection by restricting script execution sources, though this measure alone may not prevent all variants of XSS attacks. Organizations should conduct comprehensive security testing including automated scanning and manual penetration testing to identify all potential injection points. The vulnerability's unclear attack vectors highlight the importance of maintaining up-to-date security patches and following secure coding practices that prevent the introduction of similar flaws in future development cycles. Regular security assessments and vulnerability management programs should be implemented to address the broader class of web application vulnerabilities that this issue represents.