CVE-2019-16901 Explained : Impact and Mitigation
Learn about CVE-2019-16901, a vulnerability in Advantech WebAccess/HMI Designer 2.1.9.31 leading to Exception Handler Chain corruption, potentially allowing for denial of service or arbitrary code execution. Find mitigation steps and preventive measures.
A corruption in the Exception Handler Chain in Advantech WebAccess/HMI Designer 2.1.9.31 has been observed, triggering from ntdll!RtlRaiseStatus+0x00000000000000b4.
Understanding CVE-2019-16901
This CVE involves a corruption in the Exception Handler Chain in Advantech WebAccess/HMI Designer 2.1.9.31.
What is CVE-2019-16901?
The vulnerability in Advantech WebAccess/HMI Designer 2.1.9.31 leads to a corruption in the Exception Handler Chain.
The Impact of CVE-2019-16901
The corruption can be exploited to cause a denial of service or potentially execute arbitrary code on the affected system.
Technical Details of CVE-2019-16901
This section provides technical details of the CVE.
Vulnerability Description
The corruption in the Exception Handler Chain starts at an unidentified symbol at 0x0000000000000000, triggered by a call from ntdll!RtlRaiseStatus+0x00000000000000b4.
Affected Systems and Versions
- Product: Advantech WebAccess/HMI Designer 2.1.9.31
- Vendor: Advantech
- Version: 2.1.9.31
Exploitation Mechanism
The corruption is triggered by a specific call from ntdll!RtlRaiseStatus+0x00000000000000b4.
Mitigation and Prevention
Protect your systems from CVE-2019-16901 with the following steps:
Immediate Steps to Take
- Apply security patches provided by Advantech promptly.
- Monitor for any unusual system behavior that could indicate exploitation of the vulnerability.
Long-Term Security Practices
- Regularly update and patch all software and systems to prevent vulnerabilities.
- Implement network segmentation and access controls to limit the impact of potential attacks.
Patching and Updates
Ensure that all systems running Advantech WebAccess/HMI Designer 2.1.9.31 are updated with the latest security patches.