CVE-2018-7813 : Security Advisory and Response

Eurotherm by Schneider Electric GUIcon V2.0 (Gold Build 683.0) is vulnerable to a Type Confusion (CWE-843) flaw in pcwin.dll, potentially allowing remote code execution during the parsing of a GD1 file.

Understanding CVE-2018-7813

This CVE entry highlights a critical vulnerability in Eurotherm by Schneider Electric GUIcon V2.0 (Gold Build 683.0) that could be exploited for remote code execution.

What is CVE-2018-7813?

CVE-2018-7813 is a Type Confusion vulnerability in Eurotherm by Schneider Electric GUIcon V2.0 (Gold Build 683.0) that resides in pcwin.dll. This flaw could be abused by attackers to execute malicious code remotely by manipulating GD1 files.

The Impact of CVE-2018-7813

The exploitation of this vulnerability could lead to severe consequences, including unauthorized remote code execution, potentially compromising the integrity and confidentiality of the affected system.

Technical Details of CVE-2018-7813

Eurotherm by Schneider Electric GUIcon V2.0 (Gold Build 683.0) vulnerability details.

Vulnerability Description

Type: Type Confusion (CWE-843)
Location: pcwin.dll
Risk: Remote code execution

Affected Systems and Versions

Product: Eurotherm by Schneider Electric GUIcon V2.0 (Gold Build 683.0)
Vendor: Schneider Electric SE

Exploitation Mechanism

The vulnerability can be exploited by crafting malicious GD1 files to trigger the type confusion flaw in pcwin.dll, leading to the execution of unauthorized remote code.

Mitigation and Prevention

Protecting systems from CVE-2018-7813.

Immediate Steps to Take

Apply security patches provided by Schneider Electric SE promptly.
Implement network segmentation to limit the impact of potential attacks.
Monitor network traffic for any suspicious activity related to GD1 file parsing.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Educate users and IT staff about safe file handling practices to prevent exploitation of similar vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by Schneider Electric SE to address CVE-2018-7813.