HERE API Content-Security-Policy Bypass Scanner

HERE API is widely used by developers and organizations to integrate location services into their applications. Its primary functions include mapping, geolocation, and navigation services, facilitating the enhancement of real-world applications with comprehensive spatial data. Due to its extensive usage in mobile and web applications, ensuring its configurations and integrations are secure is critical for preventing potential security breaches. It is utilized across various industries, including transportation, logistics, and urban planning, to provide accurate and timely geographical data. As a developer-friendly API, it supports extensive customization options to tailor to specific user requirements, thereby offering a robust infrastructure for application development.

Content Security Policy (CSP) bypass vulnerabilities are a serious threat as they enable attackers to execute arbitrary scripts, potentially leading to cross-site scripting (XSS) attacks. An XSS vulnerability could allow an attacker to impersonate a user or access sensitive information, compromising the application's integrity. This specific vulnerability focuses on the potential to bypass CSP configurations in applications using the HERE API. Properly configured CSP prevents these exploits by enforcing strict rules on script executions from untrusted sources. However, when improperly configured or bypassed, it exposes applications to various attack vectors, risking user data and application functions. Identifying such vulnerabilities early in the development cycle is crucial for maintaining security and protecting user data.

The technical aspect of this vulnerability lies in manipulating the HTTP headers associated with CSP by injecting malicious scripts through URL parameters. Attackers could potentially use these techniques to overcome default security settings, thereby executing unauthorized scripts in the browser context. The vulnerable endpoint is typically exposed when the web application fails to validate or sanitize user input effectively. Attackers exploit this by inserting URLs containing scripts, which the application inadvertently executes due to inadequate CSP configurations. Mitigating such vulnerabilities requires thorough analysis and testing of the application's response to various input vectors to ensure CSP settings are correctly enforced and impenetrable to bypass attempts.

When exploited, this vulnerability could lead to unauthorized access to sensitive user data, session hijacking, or web defacement. Users' confidential information, such as authentication tokens or session IDs, might be intercepted, leading to identity theft or session impersonation. Additionally, malicious scripts could alter the website's content, undermining user trust and potentially resulting in reputational damage. The exploitation of CSP bypass vulnerabilities may also serve as an entry point for further attacks, escalating the severity of potential security incidents.

REFERENCES

• https://github.com/renniepak/CSPBypass/blob/main/data.tsv