CVE-2007-3516 in Santrac Sitesi
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in kayit.asp in Gorki Online Santrac Sitesi allow remote attackers to inject arbitrary web script or HTML via the (1) kullanici, (2) posta, or (3) takim_adi parameter to uyeler.asp. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 10/24/2017
The vulnerability identified as CVE-2007-3516 represents a critical cross-site scripting flaw within the Gorki Online Santrac Sitesi web application, specifically affecting the kayit.asp component. This vulnerability resides in the user registration or member management functionality of the application, where input validation is insufficient to prevent malicious code injection. The flaw manifests when attackers exploit three distinct parameter fields in the uyeler.asp endpoint, namely kullanici, posta, and takim_adi, which correspond to username, email, and team name respectively. These parameters serve as entry points for malicious actors to inject arbitrary web scripts or HTML content into the application's response.
The technical implementation of this vulnerability stems from inadequate input sanitization and output encoding practices within the web application's backend processing logic. When user-supplied data is directly incorporated into web page responses without proper validation or sanitization, it creates an environment where attackers can inject malicious payloads that execute in the context of other users' browsers. This type of vulnerability falls under CWE-79, which specifically addresses Cross-Site Scripting in the Common Weakness Enumeration taxonomy. The vulnerability's classification as a stored XSS variant is implied by the persistence of the malicious content through the application's data handling processes, as the injected scripts would be stored and subsequently served to other users.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it enables attackers to potentially hijack user sessions, redirect victims to malicious sites, or execute arbitrary commands within the context of affected users' browsers. The attack vector requires no special privileges and can be executed through standard web browser interactions, making it particularly dangerous for widespread exploitation. The vulnerability affects the entire user base of the Gorki Online Santrac Sitesi application, as any user who interacts with the affected registration or member management functionality could be exposed to the injected malicious content. This type of vulnerability is categorized under the ATT&CK technique T1059.007 for Scripting, specifically focusing on web shell deployment and command execution through compromised web applications.
Mitigation strategies for this vulnerability should encompass immediate input validation and output encoding implementations across all user-supplied parameters. The application should employ comprehensive sanitization routines that strip or encode potentially dangerous characters and tags from all incoming data before processing or storage. Additionally, implementing proper content security policies and using frameworks that automatically escape output can significantly reduce the risk of XSS exploitation. The most effective remediation involves thorough code review and implementation of secure coding practices, including the use of parameterized queries and input validation libraries. Organizations should also consider implementing web application firewalls and regular security scanning to detect and prevent similar vulnerabilities in other components of their web infrastructure. The vulnerability's age and the fact that it was reported through third-party sources underscores the importance of maintaining up-to-date security practices and regular vulnerability assessments to prevent exploitation of known weaknesses in legacy web applications.