CVE-2019-25047 : Vulnerability Insights and Analysis

XSS vulnerabilities were discovered in Greenbone Security Assistant (GSA) versions prior to 8.0.2 and Greenbone OS (GOS) versions prior to 5.0.10. These vulnerabilities can be exploited during the handling of 404 URLs in the gsad component.

Understanding CVE-2019-25047

Cross-Site Scripting (XSS) vulnerabilities in Greenbone Security Assistant and Greenbone OS.

What is CVE-2019-25047?

CVE-2019-25047 refers to XSS vulnerabilities found in Greenbone Security Assistant (GSA) and Greenbone OS (GOS) versions before 8.0.2 and 5.0.10, respectively. These vulnerabilities can be abused when processing 404 URLs in the gsad component.

The Impact of CVE-2019-25047

The exploitation of these vulnerabilities could lead to unauthorized access, data theft, and potential compromise of affected systems.

Technical Details of CVE-2019-25047

Details on the vulnerability and affected systems.

Vulnerability Description

The XSS vulnerabilities in GSA and GOS allow malicious actors to execute scripts in a victim's browser, potentially leading to account hijacking or sensitive data exposure.

Affected Systems and Versions

Greenbone Security Assistant (GSA) versions prior to 8.0.2
Greenbone OS (GOS) versions prior to 5.0.10

Exploitation Mechanism

The vulnerabilities can be exploited by manipulating 404 URLs in the gsad component, enabling attackers to inject and execute malicious scripts.

Mitigation and Prevention

Measures to address and prevent the CVE-2019-25047 vulnerability.

Immediate Steps to Take

Update Greenbone Security Assistant and Greenbone OS to versions 8.0.2 and 5.0.10, respectively.
Implement input validation mechanisms to sanitize user inputs and prevent XSS attacks.
Monitor and restrict access to sensitive URLs to mitigate potential exploitation.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Educate users and administrators on safe browsing practices and the risks of XSS attacks.

Patching and Updates

Regularly check for security updates and patches from Greenbone to ensure the latest protection against known vulnerabilities.