CVE-2022-32142 : Vulnerability Insights and Analysis

Multiple CODESYS Products are prone to an out-of-bounds read or write access vulnerability. This can be exploited by a low-privileged remote attacker to cause denial-of-service or local memory overwrite.

Understanding CVE-2022-32142

This CVE identifies a vulnerability in CODESYS runtime systems that can lead to denial-of-service attacks due to the use of out-of-range pointers.

What is CVE-2022-32142?

The vulnerability in multiple CODESYS Products allows attackers to manipulate requests with invalid offsets, resulting in out-of-bounds read or write access. This can lead to a denial-of-service condition or local memory overwrite without requiring user interaction.

The Impact of CVE-2022-32142

The vulnerability poses a high availability impact, potentially leading to local file changes. With a base score of 8.1, the severity is considered high due to the integrity impact.

Technical Details of CVE-2022-32142

This section outlines specific technical details regarding the vulnerability.

Vulnerability Description

The vulnerability involves an out-of-bounds read or write access issue in CODESYS runtime systems.

Affected Systems and Versions

Runtime Toolkit:
Platform: 32 bit
Versions Affected: All versions less than V2.4.7.57
PLCWinNT:
Versions Affected: All versions less than V2.4.7.57

Exploitation Mechanism

Attackers can exploit this vulnerability remotely with low privileges by crafting requests with invalid offsets.

Mitigation and Prevention

To address CVE-2022-32142, specific mitigation strategies and long-term security practices are recommended.

Immediate Steps to Take

Update affected CODESYS Products to versions equal to or above V2.4.7.57.
Implement network security measures to restrict unauthorized access.

Long-Term Security Practices

Regularly monitor and audit system logs for any suspicious activities.
Educate users and administrators on best security practices to prevent exploitation.

Patching and Updates

Stay informed about security updates from CODESYS and apply patches promptly to ensure system security.