CVE-2018-18993 : Security Advisory and Response

In CX-One Versions 4.42 and earlier, two vulnerabilities related to stack-based buffer overflow have been identified, allowing malicious actors to execute code with application privileges.

Understanding CVE-2018-18993

What is CVE-2018-18993?

CVE-2018-18993 refers to stack-based buffer overflow vulnerabilities in CX-One software versions, enabling attackers to exploit the system through specially crafted project files.

The Impact of CVE-2018-18993

The vulnerabilities in CX-One Versions 4.42 and prior can lead to unauthorized code execution with application privileges, posing a significant security risk.

Technical Details of CVE-2018-18993

Vulnerability Description

Researchers discovered that CX-One allows data input exceeding buffer size limits when handling project files, creating an opportunity for buffer overflow attacks.

Affected Systems and Versions

Product: CX-One (CX-Programmer and CX-Server)
Versions Affected: CX-One Versions 4.42 and prior (CX-Programmer Versions 9.66 and prior, CX-Server Versions 5.0.23 and prior)

Exploitation Mechanism

Attackers can exploit the vulnerabilities by using specially crafted project files to overflow the buffer and execute malicious code with application privileges.

Mitigation and Prevention

Immediate Steps to Take

Update to the latest version of CX-One software to mitigate the vulnerabilities.
Avoid opening project files from untrusted or unknown sources.

Long-Term Security Practices

Regularly monitor for security advisories and updates from the software vendor.
Implement network segmentation and access controls to limit the impact of potential attacks.

Patching and Updates

Apply patches and updates provided by the vendor to address the stack-based buffer overflow vulnerabilities in CX-One software.