CVE-2014-5330 in BirdBlog
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in BirdBlog allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 03/17/2019
The CVE-2014-5330 vulnerability represents a critical cross-site scripting flaw within the BirdBlog content management system that exposes web applications to remote code execution risks through malicious script injection. This vulnerability falls under the broader category of CWE-79 Improper Neutralization of Input During Web Page Generation, which specifically addresses the failure to properly sanitize user inputs before incorporating them into web page content. The vulnerability's classification aligns with ATT&CK technique T1203 Exploitation for Client Execution, as it enables adversaries to execute malicious scripts within the context of victim browsers. The unspecified vectors in the original description indicate that the attack surface encompasses multiple potential injection points within the application's input handling mechanisms, making the vulnerability particularly dangerous due to its broad exploitation potential.
The technical implementation of this XSS vulnerability stems from inadequate input validation and output encoding within BirdBlog's web application framework. When user-provided data is processed and rendered without proper sanitization measures, malicious actors can inject script tags or other HTML elements that execute within the browser context of legitimate users. The vulnerability's impact extends beyond simple script execution to potentially enable session hijacking, credential theft, and redirection to malicious sites. Attackers can leverage this weakness to create persistent XSS payloads that remain active until manually removed from the application's database or configuration files. The vulnerability's exploitation does not require authentication, making it particularly dangerous as it can be targeted against any user who accesses affected pages containing the malicious input.
The operational impact of CVE-2014-5330 significantly affects web applications running BirdBlog, potentially compromising user sessions and enabling unauthorized access to sensitive data. Organizations utilizing this platform face risks of data exfiltration, where attackers can harvest cookies, session tokens, and personal information from authenticated users. The vulnerability can also facilitate the deployment of malicious payloads that redirect users to phishing sites or download additional malware onto their systems. In enterprise environments, this weakness can serve as a foothold for lateral movement within networks, as attackers may use the compromised application to gain access to internal resources. The persistence of XSS vulnerabilities means that once exploited, malicious scripts can continue to affect users until the underlying code is patched or the vulnerable data is removed from the system.
Mitigation strategies for CVE-2014-5330 require immediate implementation of input validation and output encoding measures to prevent script injection attacks. Organizations should implement proper HTML escaping and context-aware encoding for all user inputs before rendering them on web pages, which directly addresses the CWE-79 weakness. The implementation of Content Security Policy headers provides an additional layer of protection by restricting the sources from which scripts can be loaded and executed. Regular security auditing of web applications should include comprehensive XSS testing to identify similar vulnerabilities across the entire codebase. System administrators must ensure that BirdBlog installations are updated to the latest versions that contain patches addressing this vulnerability, while also implementing web application firewalls to detect and block suspicious input patterns. The remediation process should include thorough testing to verify that all user-generated content is properly sanitized before being stored or displayed within the application interface.