CVE-2006-6928 in Rialto
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Rialto 1.6 allow remote attackers to inject arbitrary web script or HTML via the (1) cat parameter to (a) listmain.asp or (b) searchmain.asp, the (2) the Keyword parameter to (c) searchkey.asp, or the (3) refno parameter to (d) forminfo.asp.
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Analysis
by VulDB Data Team • 10/04/2024
The CVE-2006-6928 vulnerability represents a critical cross-site scripting flaw affecting Rialto 1.6 web application software. This vulnerability manifests through three distinct attack vectors that collectively expose the application to remote code execution through malicious script injection. The flaw resides in the application's failure to properly sanitize user input parameters before processing and rendering them within web responses, creating persistent opportunities for attackers to execute malicious scripts in the context of victim browsers.
The technical implementation of this vulnerability involves three specific parameter injection points within the Rialto application's web interface. The first vector operates through the cat parameter in listmain.asp and searchmain.asp scripts, where unvalidated input allows attackers to inject malicious content that gets executed when the page renders. The second vulnerability exists in searchkey.asp through the Keyword parameter, while the third occurs in forminfo.asp via the refno parameter. These parameters represent common input fields that typically handle user search queries and reference identifiers, making them prime targets for exploitation.
From an operational security perspective, this vulnerability creates significant risk exposure for organizations utilizing Rialto 1.6. Attackers can leverage these XSS flaws to steal session cookies, redirect users to malicious websites, deface web pages, or perform actions on behalf of authenticated users. The impact extends beyond simple data theft as these vulnerabilities can enable more sophisticated attacks such as session hijacking, credential theft, and persistent backdoor access. The remote nature of the attack means that exploitation does not require physical access to the target system, making it particularly dangerous for web-facing applications.
The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws in web applications, and demonstrates the fundamental principle that all user-supplied input must be properly validated and sanitized before processing. From an ATT&CK framework perspective, this vulnerability maps to T1566.001 (Phishing via Social Engineering) and T1059.007 (Command and Scripting Interpreter: JavaScript), as attackers can use these flaws to deliver malicious JavaScript payloads that can persist across user sessions. The attack surface is particularly concerning given that these parameters are likely used in common search and navigation functions, meaning the vulnerability affects core application functionality rather than isolated features.
Organizations should implement immediate mitigations including input validation and output encoding for all user-supplied parameters, particularly those used in search and navigation functions. The recommended approach involves implementing strict parameter validation, employing context-specific output encoding, and deploying web application firewalls to detect and block malicious payloads. Additionally, regular security testing and code reviews should be conducted to identify similar vulnerabilities in other application components. The vulnerability also underscores the importance of maintaining up-to-date software versions and implementing proper security development practices that include input sanitization and secure coding standards to prevent such flaws from occurring in future releases.