CVE-2018-19196 Explained : Impact and Mitigation

A vulnerability has been detected in XiaoCms 20141229, allowing attackers to execute arbitrary code by bypassing file type restrictions in the uploadfile.php script.

Understanding CVE-2018-19196

This CVE involves exploiting a parameter to upload files with unauthorized extensions, potentially leading to arbitrary code execution.

What is CVE-2018-19196?

The vulnerability in XiaoCms 20141229 enables attackers to run arbitrary code by manipulating the 'type' parameter to evade file type restrictions during file uploads.

The Impact of CVE-2018-19196

Attackers can upload malicious files with unauthorized extensions, compromising the system's security.
Successful exploitation may lead to arbitrary code execution, posing a severe risk to the affected system.

Technical Details of CVE-2018-19196

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The issue in XiaoCms 20141229 allows remote attackers to execute arbitrary code by bypassing file type restrictions in the uploadfile.php script.

Affected Systems and Versions

Product: XiaoCms 20141229
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers exploit the 'type' parameter to upload files with unauthorized extensions, such as PHP, bypassing the script's intended file type restrictions.

Mitigation and Prevention

Protecting systems from CVE-2018-19196 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable file uploads in the affected script or implement strict file type validation to prevent unauthorized uploads.
Monitor and filter incoming requests to detect and block potentially malicious file uploads.

Long-Term Security Practices

Regularly update and patch the XiaoCms system to address known vulnerabilities and enhance security measures.
Conduct security audits and penetration testing to identify and remediate potential security weaknesses.

Patching and Updates

Apply patches or updates provided by XiaoCms to fix the vulnerability and strengthen the system's security posture.