CVE-2006-4211 in Owl Intranet Engine
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in b0zz and Chris Vincent Owl Intranet Engine 0.90 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 06/24/2019
The vulnerability identified as CVE-2006-4211 represents a critical cross-site scripting flaw within the b0zz and Chris Vincent Owl Intranet Engine versions 0.90 and earlier. This security weakness resides in the web application's handling of user input, specifically failing to properly sanitize or validate data received from external sources. The vulnerability allows malicious actors to inject arbitrary web scripts or HTML content into web pages viewed by other users, creating a persistent security risk within the targeted intranet environment.
The technical implementation of this XSS vulnerability stems from insufficient input validation mechanisms within the application's core processing functions. When users interact with the intranet engine, their input data flows through various application components without adequate sanitization measures. This lack of proper data validation creates opportunities for attackers to embed malicious scripts within seemingly legitimate user interactions. The unspecified vectors suggest that the vulnerability may manifest across multiple input points within the application, making it particularly challenging to defend against and potentially affecting various application modules.
The operational impact of this vulnerability extends beyond simple data corruption or display issues. Attackers can leverage this weakness to execute malicious code within the context of other users' browsers, potentially stealing session cookies, modifying content, redirecting users to malicious sites, or performing actions on behalf of authenticated users. Within an intranet environment, where users typically trust internal applications, this vulnerability can escalate to unauthorized access to sensitive corporate information, privilege escalation, and potential lateral movement within the network. The attack surface is particularly concerning as it affects the entire intranet engine ecosystem rather than isolated components.
From a cybersecurity framework perspective, this vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications. The weakness demonstrates poor input validation practices that violate fundamental secure coding principles and can be categorized under the ATT&CK technique T1059.007 for command and scripting interpreter, as attackers can execute malicious scripts through the vulnerable interface. Organizations affected by this vulnerability should implement immediate mitigations including input validation, output encoding, and content security policies. The recommended remediation strategy involves updating to patched versions of the intranet engine, implementing proper input sanitization routines, and deploying web application firewalls to detect and block malicious payloads. Additionally, regular security assessments and code reviews should be conducted to prevent similar vulnerabilities in future development cycles, as this issue represents a fundamental flaw in the application's security architecture that requires comprehensive architectural review and remediation.