Parastorage Static Content-Security-Policy Bypass Scanner

Parastorage Static is a web service component used within various digital infrastructures, providing robust support for static file delivery. Primarily utilized by developers and IT specialists, it aids in efficient web development and management. Its capabilities often include script delivery and content hosting functionalities, contributing to seamless web operations. The implementation of Parastorage Static can be vital for web applications that require scalable and reliable static content handling. Due to its integration into diverse digital environments, ensuring its security is essential for maintaining operational integrity.

The vulnerability detected in Parastorage Static involves a potential Content-Security-Policy (CSP) Bypass leading to Cross-Site Scripting (XSS). XSS vulnerabilities arise when an attacker injects malicious scripts into trusted websites viewed by other users. This vulnerability primarily affects web applications that fail to properly enforce CSP, allowing unauthorized scripts to execute. The exploitation of CSP Bypass can lead to unauthorized access to sensitive information, compromising user data. It poses a significant threat to applications that handle sensitive data, emphasizing the necessity for rigorous security practices.

Technically, this vulnerability involves the manipulation of the browser's CSP, allowing unintended scripts to execute. The presence of specific headers or script sources like "parastorage.com" may indicate susceptibility. Attackers can inject payloads via query parameters, exploiting AngularJS's scripting capabilities to trigger alerts or exfiltrate data. The affected endpoints are typically those that improperly implement or lack strict CSP rules. Detection is performed by identifying specific script patterns and behaviors in web responses. This vulnerability emphasizes the importance of robust CSP configurations and regular security audits.

Exploitation of this vulnerability can have severe effects, such as unauthorized access to sensitive user information, alteration of displayed content, or full compromise of affected user accounts. It may lead to brand reputation damage and financial losses resulting from unauthorized transactions or data breaches. Successful attacks can facilitate further exploitation, acting as a gateway for other vulnerabilities. Organizations may face regulatory penalties due to data protection non-compliance issues. There is a potential increase in operational costs associated with incident response and vulnerability mitigation efforts.

REFERENCES

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