CVE-2021-44029 : Exploit Details and Defense Strategies

Quest KACE Desktop Authority before 11.2 is impacted by a critical vulnerability allowing remote code execution through a deserialization exploit in ASP.NET AJAX's RadAsyncUpload function.

Understanding CVE-2021-44029

An in-depth analysis of the vulnerability affecting Quest KACE Desktop Authority.

What is CVE-2021-44029?

The vulnerability in Quest KACE Desktop Authority before version 11.2 enables malicious actors to execute remote code via a deserialization flaw in the RadAsyncUpload function of ASP.NET AJAX.
Attackers can exploit this issue when encryption keys are known, opening the door for potential security breaches.
Recent versions of ASP.NET AJAX feature a default setting for type whitelisting to prevent exploitation.

The Impact of CVE-2021-44029

Allows attackers to execute remote code on vulnerable systems, leading to potential data breaches and unauthorized access.

Technical Details of CVE-2021-44029

Exploring the technical aspects of the CVE.

Vulnerability Description

Quest KACE Desktop Authority before 11.2 is susceptible to remote code execution due to a deserialization vulnerability in the RadAsyncUpload function of ASP.NET AJAX.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Versions: N/A

Exploitation Mechanism

Attackers can leverage the vulnerability by exploiting a known encryption key or other means to execute remote code on vulnerable systems.

Mitigation and Prevention

Key steps to mitigate the risks associated with CVE-2021-44029.

Immediate Steps to Take

Update Quest KACE Desktop Authority to version 11.2 or newer to patch the vulnerability.
Monitor for any unauthorized access or suspicious activities on the network.

Long-Term Security Practices

Implement strong encryption practices and regularly update encryption keys.
Conduct regular security assessments to identify and address vulnerabilities proactively.

Patching and Updates

Ensure all software and applications are regularly updated to the latest versions to prevent vulnerabilities like CVE-2021-44029.