CVE-2019-11519 : Exploit Details and Defense Strategies

A vulnerability in nopCommerce version 4.10 allows for XXE attacks through a specific file, potentially leading to security breaches.

Understanding CVE-2019-11519

The vulnerability in the "LocalizationService.cs" file of nopCommerce version 4.10 enables XXE attacks through a particular user interface.

What is CVE-2019-11519?

The flaw in the "LocalizationService.cs" file of nopCommerce version 4.10 permits XXE attacks via a specific screen for uploading XML files.

The Impact of CVE-2019-11519

This vulnerability could be exploited by attackers to execute XXE attacks, potentially leading to unauthorized access to sensitive information or system compromise.

Technical Details of CVE-2019-11519

The technical aspects of the CVE-2019-11519 vulnerability are as follows:

Vulnerability Description

The vulnerability in Libraries/Nop.Services/Localization/LocalizationService.cs in nopCommerce through version 4.10 allows XXE attacks through a specific user interface.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by uploading a malicious XML file through the "Configurations -> Languages -> Edit Language -> Import Resources -> Upload XML file" screen.

Mitigation and Prevention

To address CVE-2019-11519, consider the following mitigation strategies:

Immediate Steps to Take

Disable the ability to upload XML files in the affected screen.
Implement input validation to prevent the upload of malicious XML files.

Long-Term Security Practices

Regularly update nopCommerce to the latest version to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential security weaknesses.

Patching and Updates

Apply patches or updates provided by nopCommerce to fix the XXE vulnerability in version 4.10.