CVE-2019-15104 : Exploit Details and Defense Strategies

Zoho ManageEngine OpManager up to version 12.4x contains a security vulnerability that allows for SQL Injection attacks, potentially leading to privilege escalation and unauthorized file uploads.

Understanding CVE-2019-15104

This CVE identifies a specific security flaw in Zoho ManageEngine OpManager software.

What is CVE-2019-15104?

The vulnerability in the jsp/NewThresholdConfiguration.jsp file of Zoho ManageEngine OpManager up to version 12.4x allows a user with limited authority to exploit the resourceid parameter through SQL Injection attacks. This exploitation can result in elevating user privileges to SYSTEM level on the server, enabling the upload of malicious files.

The Impact of CVE-2019-15104

Exploiting this vulnerability can lead to unauthorized privilege escalation and the execution of malicious actions on the affected server.

Technical Details of CVE-2019-15104

Zoho ManageEngine OpManager vulnerability specifics.

Vulnerability Description

The flaw in the resourceid parameter of the jsp/NewThresholdConfiguration.jsp file allows for SQL Injection attacks, enabling unauthorized privilege escalation.

Affected Systems and Versions

Product: Zoho ManageEngine OpManager
Versions: Up to 12.4x

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating the resourceid parameter through SQL Injection, gaining elevated privileges on the server.

Mitigation and Prevention

Protecting systems from CVE-2019-15104.

Immediate Steps to Take

Update Zoho ManageEngine OpManager to a patched version that addresses the SQL Injection vulnerability.
Monitor system logs for any suspicious activities that may indicate exploitation attempts.

Long-Term Security Practices

Regularly audit and review server configurations and access controls to prevent unauthorized privilege escalation.
Educate users on secure coding practices and the risks associated with SQL Injection vulnerabilities.

Patching and Updates

Apply security patches provided by Zoho ManageEngine to address the SQL Injection vulnerability and enhance system security.