CVE-2007-6461 in Flyspray
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in index.php in Flyspray 0.9.9 through 0.9.9.3 allow remote attackers to inject arbitrary web script or HTML via (1) the query string in an index action, related to the savesearch JavaScript function; and (2) the details parameter in a details action, related to the History tab and the getHistory JavaScript function.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 08/20/2019
The vulnerability described in CVE-2007-6461 represents a critical cross-site scripting flaw affecting Flyspray bug tracking software versions 0.9.9 through 0.9.9.3. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security weakness that allows attackers to inject malicious scripts into web pages viewed by other users. The flaw specifically targets the index.php file within the Flyspray application, exploiting improper input validation and output encoding mechanisms that should prevent malicious content from being executed in user browsers.
The technical implementation of this vulnerability occurs through two distinct attack vectors that leverage JavaScript functions within the application's user interface. The first vector involves manipulation of the query string parameter during an index action, specifically targeting the savesearch JavaScript function which handles search term persistence. The second vector exploits the details parameter during a details action, particularly affecting the History tab and the getHistory JavaScript function. Both attack paths demonstrate how insufficient sanitization of user-supplied input allows malicious actors to inject arbitrary HTML and JavaScript code that executes within the context of other users' browsers.
The operational impact of this vulnerability is significant as it enables remote code execution in the browser context of authenticated users who view affected pages. Attackers can craft malicious URLs containing script payloads that, when clicked by victims, execute in their browsers with the privileges of the logged-in user. This creates potential for session hijacking, credential theft, data exfiltration, and further exploitation of the compromised user's access rights within the Flyspray application. The vulnerability particularly affects users who have access to the History tab functionality, as this is where the getHistory JavaScript function processes user input without adequate sanitization.
The exploitation of this vulnerability aligns with ATT&CK technique T1566.001 which covers spearphishing via web applications, where malicious payloads are delivered through compromised web interfaces. Organizations using affected Flyspray versions face risk of persistent security breaches where attackers can establish footholds through these XSS vectors. The vulnerability demonstrates poor input validation practices that violate secure coding principles and highlights the importance of implementing comprehensive output encoding and input sanitization mechanisms. Security professionals should note that this vulnerability affects a widely used open source bug tracking system, making it particularly concerning for organizations that rely on such platforms for project management and issue tracking.
Mitigation strategies for this vulnerability include immediate application of security patches released by the Flyspray development team, implementing proper input validation and output encoding mechanisms, and deploying web application firewalls to detect and block malicious script injection attempts. Organizations should also conduct comprehensive security reviews of their web applications to identify similar input validation weaknesses and establish secure coding practices that prevent XSS vulnerabilities through proper sanitization of user-supplied data before rendering it in web pages. The vulnerability serves as a reminder of the critical importance of input validation in preventing client-side exploitation vectors that can compromise entire user sessions and data integrity within web applications.