CVE-2020-9367 : Vulnerability Insights and Analysis

Zoho ManageEngine Desktop Central MSP build 10.0.486 is vulnerable to DLL Hijacking, allowing for privilege escalation to NT AUTHORITY\SYSTEM.

Understanding CVE-2020-9367

The MPS Agent in Zoho ManageEngine Desktop Central MSP build 10.0.486 is susceptible to a DLL Hijacking vulnerability.

What is CVE-2020-9367?

The vulnerability arises from dcinventory.exe and dcconfig.exe attempting to load CSUNSAPI.dll without specifying the complete path. As this DLL is absent from the installation, malicious actors can exploit this gap to inject code and elevate privileges to NT AUTHORITY\SYSTEM.

The Impact of CVE-2020-9367

The DLL Hijacking vulnerability in Zoho ManageEngine Desktop Central MSP build 10.0.486 can lead to unauthorized privilege escalation, potentially compromising system integrity and confidentiality.

Technical Details of CVE-2020-9367

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The MPS Agent in Zoho ManageEngine Desktop Central MSP build 10.0.486 is vulnerable to DLL Hijacking, enabling attackers to inject malicious code and escalate privileges.

Affected Systems and Versions

Product: Zoho ManageEngine Desktop Central MSP
Version: 10.0.486

Exploitation Mechanism

Attackers exploit the absence of CSUNSAPI.dll in the installation to inject malicious code and gain elevated privileges to NT AUTHORITY\SYSTEM.

Mitigation and Prevention

Protect your systems from CVE-2020-9367 with the following measures:

Immediate Steps to Take

Implement file integrity monitoring to detect unauthorized changes.
Regularly monitor and audit DLL loading activities.
Apply the principle of least privilege to limit system access.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Keep software and systems updated with the latest patches and security fixes.

Patching and Updates

Apply patches and updates provided by Zoho ManageEngine to address the DLL Hijacking vulnerability.