CVE-2005-4607 in BugPort
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in index.php in BugPort 1.147 and earlier allows remote attackers to inject arbitrary web script or HTML via the (1) ids[0], (2) action, (3) report_id, (4) devWherePair[1][1], and (5) binds[0] parameters.
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Analysis
by VulDB Data Team • 08/31/2017
This cross-site scripting vulnerability exists in BugPort version 1.147 and earlier, representing a critical web application security flaw that allows remote attackers to execute malicious scripts in the context of victim browsers. The vulnerability manifests through multiple input parameters in the index.php script, specifically targeting the ids[0], action, report_id, devWherePair[1][1], and binds[0] parameters. These parameters are processed without adequate input validation or output encoding, creating an attack surface where malicious code can be injected and subsequently executed when legitimate users view affected pages.
The technical exploitation of this vulnerability follows the classic XSS attack pattern where attacker-controlled data flows directly into web page content without proper sanitization. When users access pages containing the vulnerable parameters, the injected scripts execute in the victim's browser context, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The vulnerability is classified as stored XSS when the malicious input is permanently stored on the server and retrieved during normal page rendering, or reflected XSS when the input is immediately reflected back in the response. This particular flaw falls under CWE-79 - Improper Neutralization of Input During Web Page Generation, which is a fundamental weakness in web application security that directly enables various attack vectors including session manipulation and data exfiltration.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to compromise user sessions and potentially gain unauthorized access to the BugPort application. Attackers can leverage this vulnerability to steal cookies, modify user interface elements, redirect users to malicious sites, or even escalate privileges within the application. The multi-parameter nature of the vulnerability increases the attack surface and makes it more difficult to secure all potential entry points. This vulnerability directly maps to several ATT&CK techniques including T1566.001 - Phishing: Spearphishing Attachment and T1566.002 - Phishing: Spearphishing Link, as attackers can craft malicious URLs that exploit these parameters to deliver payloads to unsuspecting users. The impact is particularly severe in environments where BugPort is used for collaborative development tracking, as compromised users could gain access to sensitive project information or manipulate bug reports.
Mitigation strategies for this vulnerability must address both the immediate code-level issues and broader security practices within the application. The primary fix involves implementing strict input validation and output encoding for all user-supplied data that flows into web page content. This includes sanitizing the vulnerable parameters using appropriate encoding functions such as HTML entity encoding or JavaScript escaping before rendering any user input in the browser context. Additionally, implementing a Content Security Policy (CSP) header can provide an additional layer of defense by restricting the sources from which scripts can be loaded. The application should also enforce proper input validation at multiple layers, including parameter validation, data type checking, and length restrictions. Security measures should include regular code reviews focusing on input handling, implementation of automated security scanning tools, and adherence to secure coding practices. Organizations should also consider implementing Web Application Firewalls (WAFs) with XSS detection capabilities as a defensive measure, though this should not replace proper code-level fixes. The vulnerability demonstrates the critical importance of input validation and output encoding in web applications, aligning with security best practices outlined in OWASP Top 10 and NIST cybersecurity frameworks.