CVE-2023-30968 in Gotham Gaia
Summary
by MITRE • 03/12/2024
One of Gotham Gaia services was found to be vulnerable to a stored cross-site scripting (XSS) vulnerability that could have allowed an attacker to bypass CSP and get a persistent cross site scripting payload on the stack.
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Analysis
by VulDB Data Team • 03/12/2024
The vulnerability identified as CVE-2023-30968 represents a critical stored cross-site scripting flaw within the Gotham Gaia service ecosystem. This type of vulnerability falls under the category of persistent XSS attacks where malicious code is stored on the server and executed whenever users access the affected application. The flaw specifically enables attackers to bypass existing Content Security Policy protections that are typically implemented to prevent unauthorized script execution. Stored XSS vulnerabilities are particularly dangerous because they can affect multiple users over extended periods, making them a significant concern for enterprise security environments where user interaction with the application is frequent and sustained.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding within the Gotham Gaia service's data handling mechanisms. When user-supplied data is stored in the application's database without proper sanitization, it becomes susceptible to injection of malicious scripts that execute in the context of other users' browsers. The bypass of CSP protection indicates that the vulnerability may exploit weaknesses in the application's security headers or may involve a more sophisticated attack vector that circumvents the intended security controls. This particular weakness allows attackers to inject malicious payloads that persist in the application's data storage and execute whenever legitimate users interact with the affected functionality, potentially compromising user sessions and accessing sensitive data.
The operational impact of this vulnerability extends beyond simple script execution as it creates potential pathways for session hijacking, credential theft, and unauthorized data access. Attackers could leverage the persistent nature of stored XSS to establish backdoors within the application environment, potentially leading to full system compromise. The vulnerability affects the integrity of the application's user interface and can be exploited to manipulate application behavior, redirect users to malicious sites, or extract sensitive information from authenticated sessions. Given that this vulnerability impacts a service within the Gotham Gaia ecosystem, the potential for widespread compromise increases significantly, especially if the service handles sensitive user data or provides access to critical business functions.
Mitigation strategies for CVE-2023-30968 should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's data flow. The implementation of proper Content Security Policy headers with strict configurations is essential, along with regular security testing including automated scanning and manual penetration testing to identify similar vulnerabilities. Organizations should also consider implementing web application firewalls to detect and block suspicious script injection attempts, while ensuring that all user inputs are properly sanitized before being stored or rendered in the application interface. The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and may also map to ATT&CK techniques related to credential access and persistence through malicious code execution. Regular security updates and patch management processes should be enforced to prevent similar vulnerabilities from being introduced in future versions of the application.
The presence of this vulnerability in a service environment like Gotham Gaia demonstrates the critical importance of maintaining robust security practices throughout the entire application lifecycle. Organizations must ensure that security considerations are integrated from the initial design phases through to deployment and ongoing maintenance. Regular security assessments, including both automated and manual testing methodologies, should be conducted to identify and remediate similar vulnerabilities before they can be exploited by malicious actors. The persistent nature of stored XSS vulnerabilities makes them particularly attractive targets for attackers seeking long-term access to compromised systems, highlighting the need for comprehensive security monitoring and incident response capabilities to detect and respond to such threats effectively.