CVE-2005-4493 in SpearTek
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in SpearTek 6.0 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified search parameters.
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Analysis
by VulDB Data Team • 07/15/2018
The vulnerability identified as CVE-2005-4493 represents a critical cross-site scripting flaw within SpearTek versions 6.0 and earlier, specifically affecting the application's handling of search parameters. This issue falls under the broader category of web application security weaknesses that have been consistently documented in industry standards including CWE-79, which defines cross-site scripting as a weakness where untrusted data is sent to a web browser without proper validation or encoding. The vulnerability stems from the application's failure to adequately sanitize user input when processing search queries, creating an opportunity for malicious actors to inject arbitrary web scripts or HTML content into the application's response.
The technical implementation of this vulnerability occurs when the SpearTek application processes search parameters without sufficient input validation or output encoding mechanisms. Attackers can exploit this weakness by crafting malicious search queries containing script tags or other HTML content that gets executed within the context of other users' browsers. This type of injection attack operates at the application layer and leverages the trust relationship between the web application and its users, allowing unauthorized code execution in the victim's browser environment. The vulnerability's impact is amplified by the fact that it affects search functionality, which is typically a core feature that receives user input from multiple sources and is often integrated throughout the application's user interface.
From an operational perspective, this XSS vulnerability poses significant risks to both the application's integrity and the security of its user base. When exploited, the vulnerability could enable attackers to steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious sites, or deface the application's content. The attack surface is particularly concerning given that search parameters are commonly used throughout web applications and often appear in various contexts including navigation menus, search result displays, and user interface elements. This vulnerability can be classified under the ATT&CK framework as part of the T1566 technique related to credential access through social engineering and web application attacks, specifically targeting the T1531 sub-technique for credential access through web application attacks.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's codebase. The primary defense involves ensuring that all user-supplied data, particularly search parameters, undergoes proper sanitization before being processed or displayed. This includes implementing proper HTML encoding for all dynamic content, utilizing parameterized queries where applicable, and establishing a robust content security policy to prevent unauthorized script execution. Organizations should also consider implementing a web application firewall to detect and block malicious input patterns, while conducting regular security testing including dynamic and static analysis to identify similar vulnerabilities. The remediation process should align with industry best practices outlined in OWASP's top ten security risks and the CWE guidelines for preventing cross-site scripting vulnerabilities through proper input validation and output encoding techniques.