CVE-2021-45117 : Vulnerability Insights and Analysis

This CVE involves vulnerabilities in the OPC autogenerated ANSI C stack stubs, potentially leading to a NULL pointer dereference.

Understanding CVE-2021-45117

This CVE pertains to the inadequate error handling in OPC autogenerated ANSI C stack stubs, posing a risk of NULL pointer dereference.

What is CVE-2021-45117?

The OPC autogenerated ANSI C stack stubs, found in the NodeSets, lack complete error handling, which can result in a NULL pointer dereference vulnerability.

The Impact of CVE-2021-45117

The vulnerability can lead to a NULL pointer dereference, potentially causing application crashes or enabling attackers to execute arbitrary code.

Technical Details of CVE-2021-45117

This section provides in-depth technical information about CVE-2021-45117.

Vulnerability Description

The issue arises due to incomplete error handling in OPC autogenerated ANSI C stack stubs, leading to a NULL pointer dereference vulnerability.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious inputs to trigger the NULL pointer dereference, potentially gaining control over the affected system.

Mitigation and Prevention

Protect your systems against CVE-2021-45117 with the following steps:

Immediate Steps to Take

Monitor official sources for patches and updates
Implement strict input validation in applications
Employ runtime protections to mitigate NULL pointer dereference issues

Long-Term Security Practices

Conduct regular security audits and code reviews
Keep software and libraries up to date
Train developers and security teams on secure coding practices

Patching and Updates

Stay vigilant for security patches and updates from relevant vendors to address this vulnerability.