CVE-2009-2343 in Zoph
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in people.php in Zoph before 0.7.0.6 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors. NOTE: some of these details are obtained from third party information.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 11/18/2018
The vulnerability identified as CVE-2009-2343 represents a cross-site scripting flaw located within the people.php script of the Zoph web application suite. This particular vulnerability affects versions prior to 0.7.0.6 and constitutes a significant security risk that enables remote attackers to execute malicious code within the context of other users' browsers. The flaw resides in the application's insufficient input validation and output encoding mechanisms, which fail to properly sanitize user-supplied data before rendering it within web pages. The unspecified attack vectors suggest that multiple entry points within the people.php script could potentially be exploited, making the vulnerability particularly concerning for security professionals who must consider all possible injection points.
This vulnerability directly maps to CWE-79, which defines Cross-Site Scripting as a weakness that occurs when an application includes untrusted data in a new web page without proper validation or escaping, allowing attackers to inject malicious scripts. The attack vector leverages the fundamental principle of XSS where malicious scripts are executed in the victim's browser, potentially leading to session hijacking, credential theft, or unauthorized actions performed on behalf of the user. The Zoph application's failure to implement proper input sanitization and output encoding creates an environment where attacker-controlled data can be seamlessly integrated into the application's dynamic content generation process.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable sophisticated attack chains that compromise user sessions and potentially lead to full system compromise. When an attacker successfully injects malicious scripts through the people.php endpoint, they can exploit the victim's authenticated session to perform unauthorized operations within the application. This could include accessing sensitive user data, modifying records, or even escalating privileges if the application's access controls are insufficiently enforced. The vulnerability's remote nature means that attackers can exploit it without requiring physical access to the system or knowledge of internal network structures, making it particularly dangerous in web-facing applications where user interaction is expected.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application. The most effective approach involves adopting strict sanitization of all user-supplied data before it is processed or rendered within the web interface, following established security practices such as those outlined in the OWASP Top Ten. Implementing Content Security Policy headers can provide additional protection against XSS attacks by restricting the sources from which scripts can be loaded. The recommended solution includes upgrading to Zoph version 0.7.0.6 or later, which contains the necessary patches to address the identified vulnerability. Security teams should also implement regular security testing including dynamic application security testing and static code analysis to identify similar vulnerabilities in other components of the application. Additionally, implementing proper error handling and logging mechanisms can help detect and respond to potential exploitation attempts, while adhering to the principle of least privilege can limit the damage that could result from successful exploitation.