CVE-2020-14067 : Vulnerability Insights and Analysis
Learn about CVE-2020-14067, a security vulnerability in Navigate CMS 2.9 that allows the inclusion of PHP code via ZIP archives. Find out the impact, affected systems, exploitation details, and mitigation steps.
Navigate CMS 2.9 is vulnerable to a security issue due to the lack of consideration for the .phtml extension when inspecting files within a ZIP archive, potentially allowing the inclusion of PHP code.
Understanding CVE-2020-14067
This CVE entry highlights a specific vulnerability in Navigate CMS 2.9 that could lead to potential security risks.
What is CVE-2020-14067?
The install_from_hash functionality in Navigate CMS 2.9 fails to account for the .phtml extension when analyzing files in a ZIP archive, which might contain PHP code. This oversight could enable an attacker to upload malicious PHP files.
The Impact of CVE-2020-14067
This vulnerability could be exploited by malicious actors to execute arbitrary PHP code on the affected system, potentially leading to unauthorized access, data theft, or further compromise of the CMS.
Technical Details of CVE-2020-14067
Navigate CMS 2.9 is susceptible to the following technical aspects:
Vulnerability Description
The issue lies in the check_upload function within lib/packages/extensions/extension.class.php and lib/packages/themes/theme.class.php, where the .phtml extension is not properly handled during file inspection within ZIP archives.
Affected Systems and Versions
- Product: Navigate CMS 2.9
- Vendor: Navigate CMS
- Version: Not Applicable
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a ZIP archive containing PHP files with the .phtml extension, bypassing security checks and potentially executing malicious code on the server.
Mitigation and Prevention
To address CVE-2020-14067 and enhance system security, consider the following mitigation strategies:
Immediate Steps to Take
- Disable file uploads containing PHP code within ZIP archives.
- Implement file type validation to block uploads of potentially harmful file types.
- Regularly monitor and review uploaded files for suspicious content.
Long-Term Security Practices
- Conduct regular security assessments and audits of the CMS.
- Keep the CMS and all related components up to date with the latest security patches.
- Educate users on safe file upload practices and potential risks associated with file extensions.
Patching and Updates
- Apply patches or updates provided by Navigate CMS to address this vulnerability and strengthen overall system security.