CVE-2018-7519 : Exploit Details and Defense Strategies

Omron CX-Supervisor Versions 3.30 and earlier are susceptible to a heap-based buffer overflow vulnerability when processing malformed project files.

Understanding CVE-2018-7519

A heap-based buffer overflow vulnerability in Omron CX-Supervisor software.

What is CVE-2018-7519?

This CVE describes a heap-based buffer overflow issue in Omron CX-Supervisor Versions 3.30 and prior, triggered by parsing malformed project files.

The Impact of CVE-2018-7519

The vulnerability could allow an attacker to execute arbitrary code or crash the application, potentially leading to a denial of service (DoS) condition.

Technical Details of CVE-2018-7519

Details of the technical aspects of the vulnerability.

Vulnerability Description

A heap-based buffer overflow may occur in Omron CX-Supervisor Versions 3.30 and earlier when attempting to parse project files that are malformed.

Affected Systems and Versions

Product: Omron CX-Supervisor
Vendor: ICS-CERT
Versions Affected: Version 3.30 and prior

Exploitation Mechanism

The vulnerability is exploited by crafting and supplying a specially designed malformed project file to the affected software, triggering the buffer overflow.

Mitigation and Prevention

Measures to mitigate and prevent exploitation of CVE-2018-7519.

Immediate Steps to Take

Update to a patched version of Omron CX-Supervisor that addresses the buffer overflow vulnerability.
Avoid opening project files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Ensure that the software is regularly updated to the latest version provided by the vendor to mitigate the vulnerability.