CVE-2019-18191 Explained : Impact and Mitigation

Trend Micro Deep Security as a Service Quick Setup cloud formation template has a privilege escalation vulnerability that can lead to full AWS account privileges.

Understanding CVE-2019-18191

This CVE involves a privilege escalation issue in Trend Micro Deep Security as a Service.

What is CVE-2019-18191?

The vulnerability in the Quick Setup cloud formation template of Trend Micro Deep Security as a Service allows an authenticated user with specific AWS execution privileges to gain full privileges within the target AWS account.

The Impact of CVE-2019-18191

The vulnerability can be exploited for privilege escalation, potentially leading to unauthorized access and control over the AWS account.

Technical Details of CVE-2019-18191

The following are the technical details of this CVE:

Vulnerability Description

The Quick Setup cloud formation template of Trend Micro Deep Security as a Service is susceptible to privilege escalation, enabling an authenticated user to elevate their privileges within the AWS account.

Affected Systems and Versions

Product: Trend Micro Deep Security as a Service
Vendor: Trend Micro
Versions Affected: SaaS

Exploitation Mechanism

The vulnerability can be exploited by an authenticated user with specific unrestricted AWS execution privileges to escalate their access within the target AWS account.

Mitigation and Prevention

To address CVE-2019-18191, consider the following steps:

Immediate Steps to Take

Apply security updates provided by Trend Micro promptly.
Review and restrict AWS execution privileges to authorized personnel only.
Monitor AWS account activities for any unauthorized actions.

Long-Term Security Practices

Regularly review and update AWS security configurations.
Conduct security training for AWS users to prevent unauthorized privilege escalation.

Patching and Updates

Stay informed about security advisories from Trend Micro.
Implement patches and updates as soon as they are available.