CVE-2020-13774 : Exploit Details and Defense Strategies

An unrestricted file-upload issue in EditLaunchPadDialog.aspx in Ivanti Endpoint Manager 2019.1 and 2020.1 allows an authenticated attacker to gain remote code execution by uploading a malicious aspx file. The vulnerability is caused by insufficient file extension validation and insecure file operations on the uploaded image.

Understanding CVE-2020-13774

This CVE identifies a critical vulnerability in Ivanti Endpoint Manager that could lead to remote code execution.

What is CVE-2020-13774?

The vulnerability allows an authenticated attacker to upload a malicious aspx file, exploiting insufficient file extension validation and insecure file operations.

The Impact of CVE-2020-13774

The vulnerability enables remote code execution, potentially leading to unauthorized access, data theft, and system compromise.

Technical Details of CVE-2020-13774

The technical aspects of the vulnerability are as follows:

Vulnerability Description

Unrestricted file-upload issue in EditLaunchPadDialog.aspx
Found in Ivanti Endpoint Manager 2019.1 and 2020.1
Allows authenticated attacker to gain remote code execution

Affected Systems and Versions

Ivanti Endpoint Manager 2019.1 and 2020.1

Exploitation Mechanism

Attacker uploads a malicious aspx file
Insufficient file extension validation and insecure file operations exploited
Temporarily created files left in an accessible location on the server

Mitigation and Prevention

To address CVE-2020-13774, follow these steps:

Immediate Steps to Take

Implement file upload restrictions and proper validation
Monitor file uploads for suspicious activity
Apply security patches and updates promptly

Long-Term Security Practices

Conduct regular security audits and assessments
Provide security awareness training for users
Utilize secure coding practices

Patching and Updates

Apply security patches provided by Ivanti promptly
Stay informed about security advisories and updates from Ivanti