CVE-2019-20183 : Security Advisory and Response

The Employee Records System 1.0 has a vulnerability in the uploadimage.php file that allows the uploading and execution of arbitrary PHP code.

Understanding CVE-2019-20183

This CVE involves a security flaw in the Employee Records System 1.0 that enables an attacker to upload and run PHP code.

What is CVE-2019-20183?

The vulnerability in the uploadimage.php file of the Employee Records System 1.0 allows attackers to upload and execute PHP code due to inadequate file extension validation.

The Impact of CVE-2019-20183

The vulnerability permits attackers to upload malicious PHP files, potentially leading to remote code execution on the affected system.

Technical Details of CVE-2019-20183

The following technical details outline the specifics of this CVE.

Vulnerability Description

The flaw in uploadimage.php allows the uploading and execution of PHP code as the file extension validation is only performed on the client side.

Affected Systems and Versions

Product: Employee Records System 1.0
Vendor: N/A
Versions: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by modifying the global.js file to enable the use of the .php extension for file uploads.

Mitigation and Prevention

Protecting systems from CVE-2019-20183 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable file uploads in the Employee Records System until a patch is available.
Implement server-side file extension validation to prevent unauthorized file uploads.
Monitor system logs for any suspicious file upload activities.

Long-Term Security Practices

Regularly update and patch the Employee Records System to address security vulnerabilities.
Conduct security training for employees to raise awareness of file upload risks.

Patching and Updates

Apply the latest security patches provided by the Employee Records System vendor to fix the vulnerability.