CVE-2019-25137 : Vulnerability Insights and Analysis

This CVE record discusses a Remote Code Execution vulnerability in Umbraco CMS versions 4.11.8 through 7.15.10 and version 7.12.4, allowing authenticated administrators to execute arbitrary code.

Understanding CVE-2019-25137

This CVE identifies a critical security issue in Umbraco CMS that can lead to Remote Code Execution by exploiting a specific functionality.

What is CVE-2019-25137?

The vulnerability allows authenticated administrators to execute arbitrary code through the usage of msxsl:script in an xsltSelection, particularly in the developer/Xslt/xsltVisualize.aspx file.

The Impact of CVE-2019-25137

The exploitation of this vulnerability can result in unauthorized code execution, potentially leading to severe consequences such as data breaches, system compromise, and unauthorized access.

Technical Details of CVE-2019-25137

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability arises from the improper use of msxsl:script in an xsltSelection, enabling authenticated administrators to execute arbitrary code.

Affected Systems and Versions

Umbraco CMS versions 4.11.8 through 7.15.10
Umbraco CMS version 7.12.4

Exploitation Mechanism

The vulnerability can be exploited by authenticated administrators leveraging the msxsl:script functionality in the xsltSelection, specifically in the developer/Xslt/xsltVisualize.aspx file.

Mitigation and Prevention

Protecting systems from CVE-2019-25137 is crucial to prevent potential security breaches.

Immediate Steps to Take

Update Umbraco CMS to a patched version that addresses the vulnerability.
Implement strict access controls to limit administrator privileges.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify vulnerabilities.
Educate administrators on secure coding practices and the risks associated with code execution vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by Umbraco CMS.
Promptly apply patches to ensure that systems are protected against known vulnerabilities.