CVE-2019-7421 Explained : Impact and Mitigation

This CVE-2019-7421 article provides insights into a Cross-Site Scripting vulnerability in the SAMSUNG X7400GX SyncThru Web Service.

Understanding CVE-2019-7421

What is CVE-2019-7421?

The SAMSUNG X7400GX SyncThru Web Service V6.A6.25 V11.01.05.25_08-21-2015 is prone to XSS attacks due to vulnerabilities in specific parameters.

The Impact of CVE-2019-7421

The vulnerability allows attackers to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions.

Technical Details of CVE-2019-7421

Vulnerability Description

The XSS vulnerability in the SAMSUNG X7400GX SyncThru Web Service affects parameters like "contextpath" and "basedURL" within "/sws.login/gnb/loginView.sws".

Affected Systems and Versions

Product: SAMSUNG X7400GX SyncThru Web Service
Vendor: SAMSUNG
Versions: V6.A6.25 V11.01.05.25_08-21-2015

Exploitation Mechanism

The vulnerability can be exploited by injecting malicious scripts into the vulnerable parameters, enabling attackers to execute arbitrary code.

Mitigation and Prevention

Immediate Steps to Take

Disable or restrict access to the vulnerable component.
Implement input validation to sanitize user-supplied data.
Regularly monitor and audit web application logs for suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Stay informed about security updates and patches from the vendor.

Patching and Updates

Apply security patches provided by SAMSUNG to address the XSS vulnerability in the SyncThru Web Service.