CVE-2018-19453 : Security Advisory and Response
Learn about CVE-2018-19453, a vulnerability in Kentico CMS allowing unrestricted upload of malicious files. Find out how to mitigate and prevent this security risk.
In versions of Kentico CMS prior to 11.0.45, a vulnerability exists that allows the unrestricted uploading of files with malicious content.
Understanding CVE-2018-19453
In this CVE, an issue in Kentico CMS before version 11.0.45 permits the upload of dangerous files without proper restrictions.
What is CVE-2018-19453?
This CVE refers to a security flaw in Kentico CMS versions earlier than 11.0.45 that enables the uploading of files containing harmful content.
The Impact of CVE-2018-19453
The vulnerability allows attackers to upload malicious files, potentially leading to various security risks such as executing arbitrary code or compromising the system.
Technical Details of CVE-2018-19453
Vulnerability Description
Kentico CMS before version 11.0.45 lacks proper file upload restrictions, allowing the upload of files with dangerous content.
Affected Systems and Versions
- Product: Kentico CMS
- Versions Affected: All versions prior to 11.0.45
Exploitation Mechanism
Attackers can exploit this vulnerability by uploading files containing malicious code, which may result in unauthorized access or system compromise.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade to Kentico CMS version 11.0.45 or later to mitigate the vulnerability.
- Implement strict file upload validation to prevent the upload of malicious files.
Long-Term Security Practices
- Regularly update and patch the CMS to address security vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate potential weaknesses.
Patching and Updates
Ensure timely installation of security patches and updates provided by Kentico to address known vulnerabilities.