CVE-2022-32141 Explained : Impact and Mitigation
Discover the vulnerability in CODESYS products leading to a denial-of-service condition due to a buffer over-read issue. Learn about the impact, affected systems, and mitigation steps.
A buffer over-read vulnerability has been identified in multiple CODESYS products, potentially leading to a denial-of-service condition when exploited by a remote attacker.
Understanding CVE-2022-32141
This CVE pertains to a specific vulnerability in CODESYS products that can be exploited remotely without requiring user interaction.
What is CVE-2022-32141?
The vulnerability in question allows a low-privileged remote attacker to create a malicious request with an invalid offset, triggering an internal buffer over-read. This action can result in a denial-of-service situation.
The Impact of CVE-2022-32141
The impact of this vulnerability is rated as medium severity, with a CVSS base score of 6.5. It affects CODESYS products running on 32-bit platforms with versions less than V2.4.7.57, leading to a high availability impact.
Technical Details of CVE-2022-32141
This section covers essential technical details regarding the vulnerability.
Vulnerability Description
The vulnerability involves a buffer over-read issue that can be exploited remotely to cause a denial-of-service condition.
Affected Systems and Versions
CODESYS products, specifically the Runtime Toolkit and PLCWinNT versions lower than V2.4.7.57 running on 32-bit platforms, are vulnerable to this issue.
Exploitation Mechanism
An attacker can craft a request with an invalid offset, triggering an internal buffer over-read without the need for user interaction.
Mitigation and Prevention
To address CVE-2022-32141 and enhance security, consider the following steps:
Immediate Steps to Take
- Evaluate if the affected CODESYS products are in use within your environment.
- Monitor for any related security advisories and updates from CODESYS.
- Implement network security measures to mitigate remote attack vectors.
Long-Term Security Practices
- Regularly update and patch CODESYS products to the latest versions.
- Conduct security training to educate users on potential threats and safe practices.
Patching and Updates
Stay informed about patches and updates provided by CODESYS to address the vulnerability and enhance system security.