DBLP Content-Security-Policy Bypass Scanner

The Content-Security-Policy Bypass - DBLP Scanner is designed to identify vulnerabilities in websites that use CSP to mitigate the risk of content injection attacks. CSP is a web security standard that helps protect sites against attacks like XSS by specifying permitted sources of content. This scanner targets websites integrating DBLP, a computer science bibliography, which might incorrectly implement CSP, leading to potential security risks. Used predominantly by web developers, security professionals, and organizations focused on safeguarding their digital properties, this scanner ensures that the CSPs in place are robust and effective. By identifying weak CSP implementations, this tool aids in securing sensitive information and maintaining the integrity of web applications.

The vulnerability detected is related to bypassing Content-Security-Policies (CSPs) on websites. CSPs are critical in defending against XSS attacks, which can enable attackers to execute malicious scripts in users' browsers. This scanner specifically focuses on identifying bypass strategies within the DBLP context, which might be leveraged by attackers to perform XSS attacks. By exploiting this vulnerability, malicious entities can manipulate data, steal session cookies, or perform other harmful actions. The identification and remediation of such vulnerabilities are crucial in preventing unauthorized access or data breaches.

Technically, the scanner examines the HTTP headers for the presence of CSP settings that are insufficient or can be bypassed through the use of specific script tags. The scanner uses payloads designed to test the CSP implementation by injecting harmless scripts and assessing whether they are executed. A primary vulnerable point is the improper configuration of sources in the CSP header, allowing the execution of scripts from unauthorized locations. Another focus is DBLP's API endpoints that may unintentionally expose weaknesses when queried with specific parameters. The detection process involves attempts to exploit these aspects without causing any harm, ensuring that defensive mechanisms are securely in place.

If exploited, this vulnerability can allow attackers to execute arbitrary code in a user's browser session, leading to data theft, unauthorized data manipulation, and potential sessions hijacking. The user experience on affected websites can deteriorate, and the credibility of the impacted domain can suffer significantly. If left unaddressed, there can be severe legal and financial consequences, particularly if sensitive user data is compromised. By highlighting these weaknesses, organizations can take proactive measures to reinforce their security infrastructure.

REFERENCES

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