CVE-2019-3975 : What You Need to Know

A stack-based buffer overflow vulnerability in Advantech WebAccess/SCADA 8.4.1 allows remote attackers to execute arbitrary code by sending a specially crafted IOCTL 70603 RPC message.

Understanding CVE-2019-3975

This CVE involves an unauthenticated remote stack buffer overflow vulnerability in Advantech WebAccess/SCADA 8.4.1.

What is CVE-2019-3975?

The vulnerability in Advantech WebAccess/SCADA 8.4.1 enables unauthenticated attackers to remotely execute arbitrary code through a crafted IOCTL 70603 RPC message.

The Impact of CVE-2019-3975

Exploitation of this vulnerability can lead to remote code execution, posing a significant security risk to affected systems.

Technical Details of CVE-2019-3975

This section provides detailed technical information about the CVE.

Vulnerability Description

Type: Unauthenticated Remote Stack Buffer Overflow
Description: An unauthenticated attacker can exploit a stack-based buffer overflow vulnerability in Advantech WebAccess/SCADA 8.4.1 by sending a specially crafted IOCTL 70603 RPC message.

Affected Systems and Versions

Product: WebAccess/SCADA
Vendor: Advantech
Version: 8.4.1

Exploitation Mechanism

The vulnerability can be exploited by sending a specially crafted IOCTL 70603 RPC message to the affected system, allowing remote attackers to execute arbitrary code.

Mitigation and Prevention

Protecting systems from CVE-2019-3975 requires immediate action and long-term security measures.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Implement network segmentation to limit exposure.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software and systems.
Conduct security assessments and penetration testing.
Educate users on safe computing practices.

Patching and Updates

Advantech has likely released patches or updates to address the vulnerability. Ensure all systems are updated to the latest secure versions.