CVE-2020-13954 : Exploit Details and Defense Strategies

Apache CXF Reflected XSS vulnerability via styleSheetPath

Understanding CVE-2020-13954

Apache CXF is susceptible to a reflected Cross-Site Scripting (XSS) attack through the styleSheetPath parameter, impacting versions prior to 3.4.1 and 3.3.8.

What is CVE-2020-13954?

By default, Apache CXF generates a /services page that can be exploited by injecting malicious JavaScript code via the styleSheetPath, potentially leading to XSS attacks.

The Impact of CVE-2020-13954

This vulnerability allows attackers to execute arbitrary scripts in the context of the user's browser, posing a significant risk of data theft, session hijacking, and unauthorized actions.

Technical Details of CVE-2020-13954

Apache CXF Reflected XSS Vulnerability

Vulnerability Description

Apache CXF's /services page is vulnerable to XSS via the styleSheetPath parameter

Affected Systems and Versions

Versions prior to 3.4.1 and 3.3.8 of Apache CXF

Exploitation Mechanism

Malicious actors can inject JavaScript code through the styleSheetPath parameter, exploiting the vulnerability

Mitigation and Prevention

Protecting Against CVE-2020-13954

Immediate Steps to Take

Update Apache CXF to version 3.4.1 or 3.3.8
Alternatively, disable the service listing by setting the "hide-service-list-page" servlet parameter to "true"

Long-Term Security Practices

Regularly monitor and update software to patch vulnerabilities
Implement input validation and output encoding to mitigate XSS risks
Educate developers and users on secure coding practices

Patching and Updates

Stay informed about security advisories and promptly apply patches to secure systems