CVE-2018-7302 : Vulnerability Insights and Analysis

Tiki 17.1 allows the uploading of a .PNG file containing SVG content, leading to a cross-site scripting (XSS) vulnerability.

Understanding CVE-2018-7302

This CVE describes a security issue in Tiki 17.1 that can be exploited through the upload of a specially crafted file.

What is CVE-2018-7302?

The version 17.1 of Tiki enables the uploading of a .PNG file that contains SVG content, resulting in a vulnerability known as XSS.

The Impact of CVE-2018-7302

The vulnerability allows attackers to execute malicious scripts in the context of a user's browser, potentially leading to various attacks such as stealing sensitive information or performing unauthorized actions.

Technical Details of CVE-2018-7302

Tiki 17.1 is susceptible to a specific type of attack due to the way it handles file uploads.

Vulnerability Description

The issue arises from the improper handling of file content, allowing SVG content within a .PNG file to execute scripts in the browser.

Affected Systems and Versions

Product: Tiki Wiki CMS Groupware 17.1
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by uploading a specially crafted .PNG file containing SVG content to the affected system, triggering the XSS payload.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2018-7302.

Immediate Steps to Take

Disable file uploads or restrict file types to prevent the upload of potentially malicious files.
Implement input validation to ensure that uploaded files adhere to expected formats.
Regularly monitor and audit file uploads for any suspicious activity.

Long-Term Security Practices

Keep software and systems up to date with the latest security patches and updates.
Educate users about safe file handling practices and the risks associated with file uploads.

Patching and Updates

Check for patches or updates provided by the software vendor to address the vulnerability.