CVE-2006-1122 in D2KBlog
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Default.asp in D2KBlog 1.0.3 and earlier allows remote attackers to inject arbitrary web script or HTML via the msg parameter.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 07/20/2018
The vulnerability identified as CVE-2006-1122 represents a classic cross-site scripting flaw affecting D2KBlog version 1.0.3 and earlier implementations. This security weakness resides within the Default.asp script which processes user input through the msg parameter, creating an avenue for malicious actors to execute arbitrary web scripts or HTML code within the context of other users' browsers. The vulnerability falls under the broader category of CWE-79 which specifically addresses cross-site scripting vulnerabilities, making it a well-documented and widely recognized threat in web application security. The flaw demonstrates a critical failure in input validation and output encoding practices that are fundamental to preventing malicious code injection attacks.
The technical mechanism behind this vulnerability involves the improper handling of user-supplied data within the web application's server-side script. When the msg parameter is submitted through user input without adequate sanitization or encoding, the application directly incorporates this unvalidated data into its response without proper context-aware escaping. This creates an environment where attackers can embed malicious scripts that execute in the victim's browser when they view the affected page. The vulnerability is particularly dangerous because it allows for persistent XSS attacks where the malicious content can be stored on the server and subsequently delivered to multiple users, making it a significant threat to user data and session integrity. The attack vector is classified as a remote code execution vulnerability since no local access or authentication is required to exploit the flaw.
The operational impact of CVE-2006-1122 extends beyond simple data theft or defacement, as it can enable more sophisticated attack chains within the broader ATT&CK framework. An attacker could leverage this vulnerability to steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users. The vulnerability affects the confidentiality, integrity, and availability of the web application by potentially allowing unauthorized access to user accounts, data manipulation, or service disruption. Users of D2KBlog versions prior to 1.0.4 become vulnerable to session hijacking attacks where malicious scripts can capture login credentials or other sensitive information. The exposure also creates potential for credential theft through phishing attacks that leverage the trusted domain context, making the attack more difficult to detect and prevent.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security improvements. The primary fix involves implementing proper input validation and output encoding mechanisms that escape special characters in user-supplied data before rendering it in web pages. This aligns with the OWASP Top Ten security practices and specifically addresses the need for context-appropriate output encoding as recommended in the CWE guidelines. Organizations should implement strict sanitization of all user input parameters, including the msg parameter, using established libraries or frameworks that provide robust encoding capabilities. Additionally, implementing content security policies and using secure coding practices such as parameterized queries and input validation routines can significantly reduce the risk of similar vulnerabilities. Regular security assessments and code reviews should be conducted to identify and remediate similar issues in other parts of the application, ensuring comprehensive protection against cross-site scripting threats. The vulnerability also underscores the importance of keeping web applications updated with the latest security patches, as this issue was resolved in version 1.0.4 of D2KBlog.