CVE-2006-1612 in aWebBB
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in visview.php in aWebNews 1.0 allow remote attackers to inject arbitrary web script or HTML via the (1) yname, (2) emailadd, (3) subject, and (4) comment parameters.
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Analysis
by VulDB Data Team • 07/29/2022
The vulnerability identified as CVE-2006-1612 represents a critical cross-site scripting flaw discovered in the visview.php component of aWebNews version 1.0. This vulnerability exposes the web application to malicious injection attacks that can compromise user sessions and data integrity. The flaw specifically affects four input parameters including yname, emailadd, subject, and comment, which are processed without adequate sanitization or validation. The vulnerability falls under CWE-79 which categorizes improper neutralization of input during web page generation, making it a classic example of how unfiltered user input can be exploited to execute malicious scripts within the context of a victim's browser.
The technical exploitation of this vulnerability occurs when remote attackers submit malicious payloads through the vulnerable parameters in the visview.php script. When these parameters are processed and displayed back to users without proper HTML encoding or input validation, attackers can inject arbitrary JavaScript code or HTML content. This injection allows attackers to execute scripts in the victim's browser context, potentially stealing session cookies, redirecting users to malicious sites, or performing actions on behalf of authenticated users. The vulnerability demonstrates a fundamental failure in input validation and output encoding practices that violates secure coding principles and standards established by organizations like the Open Web Application Security Project.
The operational impact of this vulnerability extends beyond simple script execution as it creates persistent security risks for any user interacting with the affected web application. Attackers can leverage this vulnerability to conduct session hijacking attacks, steal sensitive information, or manipulate the application's functionality. The persistence of XSS vulnerabilities in this context means that malicious scripts can remain active in the application's output until the affected parameters are properly sanitized or the vulnerability is patched. This type of vulnerability also aligns with ATT&CK technique T1566 which describes social engineering tactics that can be employed through web-based attacks. The vulnerability affects the confidentiality, integrity, and availability of the web application by creating potential attack vectors for various malicious activities.
Mitigation strategies for CVE-2006-1612 should focus on implementing comprehensive input validation and output encoding mechanisms. Developers must ensure that all user-supplied data is properly sanitized before being processed or displayed, with particular attention to the vulnerable parameters mentioned in the vulnerability description. The implementation of proper HTML encoding techniques, such as converting special characters to their HTML entities, should be enforced throughout the application's data handling processes. Additionally, the application should employ content security policies to prevent unauthorized script execution and maintain regular security audits to identify similar vulnerabilities in other components. The vulnerability highlights the importance of adhering to secure coding practices and following industry standards for web application security to prevent such issues from occurring in the first place. Organizations should also consider implementing web application firewalls and regular penetration testing to detect and remediate similar vulnerabilities across their web infrastructure.