CVE-2006-3397 in Taskjitsu
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Taskjitsu before 2.0.1 allow remote attackers to inject arbitrary web script or HTML via multiple unspecified parameters, including the (1) title and (2) description parameters when creating a task.
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Analysis
by VulDB Data Team • 07/30/2018
The vulnerability described in CVE-2006-3397 represents a critical cross-site scripting weakness in Taskjitsu version 2.0.0 and earlier, classified under CWE-79 as improper neutralization of input during web page generation. This flaw allows remote attackers to execute malicious scripts in the context of a victim's browser by manipulating specific parameters during task creation. The vulnerability specifically affects the title and description fields, which are processed without adequate sanitization or encoding mechanisms, creating persistent XSS attack vectors that can compromise user sessions and data integrity.
The technical exploitation of this vulnerability occurs when attackers craft malicious input containing script tags or other HTML elements within the vulnerable parameters. When these inputs are rendered on the web page without proper validation or output encoding, the browser executes the injected code as part of the legitimate page content. This creates a persistent threat where any user viewing the affected task page becomes a potential victim of the attack, as the malicious script executes in their browser context with the privileges of their session.
From an operational perspective, this vulnerability poses significant risks to organizations using Taskjitsu for collaborative task management. Attackers could leverage this flaw to steal session cookies, redirect users to malicious sites, inject phishing content, or perform actions on behalf of authenticated users. The impact extends beyond simple data theft to potential privilege escalation and lateral movement within the application environment. This vulnerability aligns with ATT&CK technique T1566.001 for initial access through malicious links and T1059.001 for command and control through script injection.
The mitigation strategy for this vulnerability requires immediate implementation of proper input validation and output encoding mechanisms. Organizations should implement strict sanitization of all user-supplied data before processing, particularly for parameters used in dynamic web page generation. The fix involves applying context-specific encoding to prevent script execution in HTML contexts, such as using HTML entity encoding for output rendering. Additionally, implementing Content Security Policy headers can provide additional defense-in-depth measures. Regular security testing and input validation reviews should be conducted to prevent similar vulnerabilities in future releases, following established security development lifecycle practices.
The vulnerability demonstrates the critical importance of input validation in web applications and represents a classic example of how seemingly minor oversight in parameter handling can create significant security risks. This flaw underscores the necessity of implementing comprehensive security controls throughout the software development lifecycle rather than relying solely on post-development security assessments. Organizations should prioritize regular vulnerability scanning and penetration testing to identify and remediate similar XSS vulnerabilities across their entire application portfolio.