CVE-2006-1709 in interaktiv.shop
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in shop_main.cgi in interaktiv.shop 5 allows remote attackers to inject arbitrary web script or HTML via the (1) pn and (2) sbeg parameters.
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Analysis
by VulDB Data Team • 12/26/2024
The vulnerability described in CVE-2006-1709 represents a classic cross-site scripting flaw within the interaktiv.shop 5 e-commerce platform's shop_main.cgi script. This type of vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and well-documented web application security weaknesses. The vulnerability specifically affects the parameter handling mechanism of the shop_main.cgi script, where two distinct parameters named pn and sbeg are susceptible to malicious input injection.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding within the web application's processing logic. When the application receives the pn and sbeg parameters through HTTP requests, it fails to properly sanitize or escape the user-supplied data before incorporating it into dynamically generated web page content. This allows an attacker to craft malicious payloads that, when executed in a victim's browser, can perform unauthorized actions. The vulnerability's impact is particularly significant because it enables attackers to inject arbitrary web scripts or HTML content directly into the application's response, potentially leading to session hijacking, data theft, or further exploitation of the vulnerable system.
From an operational standpoint, this XSS vulnerability creates substantial risk for both the e-commerce platform and its users. Attackers can exploit this weakness to execute malicious code in the context of authenticated users' browsers, potentially gaining access to sensitive information, modifying shopping cart contents, or redirecting users to malicious websites. The vulnerability affects the core functionality of the online shop, as it allows for arbitrary code execution within the browser context of legitimate users. This type of attack can result in financial loss, data breaches, and compromise of user privacy, especially in an e-commerce environment where sensitive transactional data is processed. The attack vector is particularly concerning as it requires no privileged access to the application server itself, making it accessible to any remote attacker.
Security mitigations for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application. The recommended approach involves sanitizing all user-supplied input parameters, including pn and sbeg, through proper encoding techniques such as HTML entity encoding before any data is rendered in web pages. Additionally, implementing a Content Security Policy (CSP) can provide an additional layer of protection against XSS attacks by restricting the sources from which scripts can be loaded. The fix should also include proper parameter validation to ensure that only expected data types and formats are accepted. Organizations should also consider implementing Web Application Firewalls (WAFs) that can detect and block malicious payloads attempting to exploit XSS vulnerabilities. This vulnerability serves as a reminder of the critical importance of input validation and output encoding in web application development, as outlined in the OWASP Top Ten and the ATT&CK framework's web application attack patterns. The vulnerability demonstrates how seemingly simple parameter handling can create significant security risks that can be exploited to compromise entire web applications and user sessions.