CVE-2003-1334 in Simple And Nice Index File
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Kai Blankenhorn Bitfolge simple and nice index file (aka snif) before 1.2.7 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 07/04/2017
The vulnerability identified as CVE-2003-1334 represents a classic cross-site scripting flaw within the Bitfolge simple and nice index file (snif) web application developed by Kai Blankenhorn. This particular implementation of XSS vulnerability exists in versions prior to 1.2.7 and demonstrates the persistent nature of web application security weaknesses that have plagued software development since the early days of web-based applications. The vulnerability arises from inadequate input validation and output sanitization mechanisms within the application's processing of user-supplied data, creating an attack surface that malicious actors can exploit to execute arbitrary code within the context of a victim's browser session.
The technical flaw manifests through unspecified vectors that allow remote attackers to inject malicious scripts or HTML content into the web application's response handling mechanisms. This occurs when the application fails to properly sanitize or encode user-provided input before rendering it in web pages, enabling attackers to craft specially formatted requests that bypass security controls. The vulnerability operates at the application layer where user input is processed and displayed, making it particularly dangerous as it can affect any user interacting with the vulnerable application. The unspecified nature of the attack vectors suggests multiple potential entry points within the application's codebase where input validation fails, potentially including form fields, URL parameters, or other user-controllable data elements.
The operational impact of this vulnerability extends beyond simple script execution to encompass potential session hijacking, credential theft, and data manipulation within the victim's browser context. Attackers can leverage this vulnerability to steal cookies, session tokens, or other sensitive information that users might have in their browser. The implications are particularly severe in environments where the vulnerable application serves as a gateway to sensitive systems or where users have elevated privileges. This vulnerability directly violates security principles outlined in the OWASP Top Ten, specifically addressing the risk of injection flaws and cross-site scripting vulnerabilities that can lead to complete application compromise. The attack can be executed without requiring authentication or special privileges, making it particularly dangerous for widespread exploitation.
Mitigation strategies for this vulnerability must focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's codebase. The most effective remediation involves upgrading to version 1.2.7 or later, which contains the necessary security patches and code modifications to prevent the injection of malicious content. Additionally, developers should implement proper HTML entity encoding for all user-supplied data before rendering it in web pages, ensuring that potentially dangerous characters are properly escaped. The implementation of Content Security Policy headers can provide an additional layer of protection by restricting the sources from which scripts can be loaded. Security measures should also include regular code reviews, automated security testing, and adherence to secure coding practices as recommended by the CWE (Common Weakness Enumeration) standards for preventing XSS vulnerabilities. Organizations should also consider implementing web application firewalls and monitoring systems to detect and prevent exploitation attempts targeting this class of vulnerability.