CVE-2019-6556 Explained : Impact and Mitigation

CVE-2019-6556 was published on April 10, 2019, and affects Omron's CX-Programmer within CX-One software. The vulnerability allows attackers to execute malicious code through specially crafted project files.

Understanding CVE-2019-6556

This CVE identifies a vulnerability in Omron's CX-Programmer v9.70 and earlier versions, as well as Common Components released before January 2019.

What is CVE-2019-6556?

The vulnerability arises from the application's failure to verify freed memory references during project file processing. This oversight enables attackers to run malicious code with the application's privileges using a manipulated project file.

The Impact of CVE-2019-6556

Exploiting this vulnerability could lead to unauthorized execution of arbitrary code, potentially compromising the integrity and confidentiality of the affected system.

Technical Details of CVE-2019-6556

Omron's CX-Programmer within CX-One software is susceptible to the following:

Vulnerability Description

The vulnerability stems from the lack of memory reference checks during project file processing.

Affected Systems and Versions

CX-Programmer v9.70 and earlier versions
Common Components released before January 2019

Exploitation Mechanism

Attackers can exploit the vulnerability by crafting a malicious project file to execute code with the application's privileges.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of CVE-2019-6556:

Immediate Steps to Take

Update Omron's CX-Programmer and Common Components to the latest versions.
Implement robust security measures to detect and prevent unauthorized code execution.

Long-Term Security Practices

Regularly monitor for security updates and patches from Omron.
Conduct security assessments and penetration testing to identify and mitigate vulnerabilities.

Patching and Updates

Apply patches and updates provided by Omron promptly to secure the software against known vulnerabilities.