CVE-2009-4853 in JumpBox
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in JumpBox before 1.1.2 for Foswiki Wiki System allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 01/30/2019
The vulnerability identified as CVE-2009-4853 represents a critical security flaw in JumpBox versions prior to 1.1.2 that specifically affects the Foswiki Wiki System. This issue manifests as multiple cross-site scripting vulnerabilities that create significant attack vectors for remote threat actors seeking to compromise user sessions and system integrity. The vulnerability stems from insufficient input validation and output encoding mechanisms within the JumpBox platform's integration with Foswiki, creating persistent security gaps that can be exploited across multiple application components. These vulnerabilities are particularly concerning as they allow attackers to execute malicious scripts within the context of authenticated user sessions, potentially leading to complete account compromise and unauthorized access to sensitive information.
The technical nature of this vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications. The flaw occurs when user-supplied data is not properly sanitized before being rendered in web pages, allowing attackers to inject malicious HTML or JavaScript code through unspecified vectors within the JumpBox interface. This creates a persistent threat where malicious payloads can be stored and executed whenever legitimate users access affected pages. The vulnerability's impact extends beyond simple script execution as it can be leveraged to hijack user sessions, steal authentication tokens, and perform unauthorized actions on behalf of victims. Attackers can exploit these flaws by crafting malicious input that bypasses existing security controls, ultimately enabling them to manipulate the application behavior and compromise user data.
The operational impact of CVE-2009-4853 is substantial for organizations utilizing JumpBox versions before 1.1.2 in their Foswiki implementations. Remote attackers can leverage these vulnerabilities to conduct session hijacking attacks, steal user credentials, and potentially gain unauthorized administrative access to wiki systems. The persistent nature of XSS vulnerabilities means that once exploited, malicious scripts can continue to execute against all subsequent users who access affected pages, creating a continuous threat vector. Organizations may experience data breaches, unauthorized content modification, and potential system compromise that could affect the integrity and availability of their wiki-based documentation systems. The vulnerability also creates risks for business continuity as compromised systems may require extensive forensic analysis and remediation efforts to restore proper security posture.
Mitigation strategies for this vulnerability center on immediate patching and updating of JumpBox installations to version 1.1.2 or later, which contains the necessary security fixes. Organizations should implement comprehensive input validation mechanisms and output encoding controls to prevent malicious data from being executed as scripts. The implementation of Content Security Policy headers can provide additional protection against XSS attacks by restricting script execution from unauthorized sources. Security monitoring should be enhanced to detect suspicious user activities and potential exploitation attempts. Regular security assessments and vulnerability scanning should be conducted to identify similar issues in related systems. Organizations should also consider implementing web application firewalls and input sanitization measures as defensive controls. The remediation process must include thorough testing of patched systems to ensure that security fixes do not introduce compatibility issues with existing wiki functionality while maintaining proper access controls and user authentication mechanisms.