CVE-2023-37549 : Exploit Details and Defense Strategies
Learn about CVE-2023-37549 affecting multiple CODESYS products due to improper input validation in the CmpApp component, leading to a denial-of-service risk. Discover impact, affected systems, and mitigation steps.
A detailed analysis of the CVE-2023-37549 vulnerability affecting multiple CODESYS products.
Understanding CVE-2023-37549
This section provides insights into the nature and impact of the vulnerability.
What is CVE-2023-37549?
According to the CVE-2023-37549 report, in multiple CODESYS products across various versions, a vulnerability exists that, after successful user authentication, allows specific crafted network communication requests with inconsistent content to cause the CmpApp component to read from an invalid address internally. This flaw could potentially lead to a denial-of-service condition.
The Impact of CVE-2023-37549
The vulnerability poses a medium-level threat with a CVSS base score of 6.5. It can result in a denial-of-service condition, impacting the availability of the affected systems.
Technical Details of CVE-2023-37549
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability arises due to improper input validation in the CmpApp component of multiple CODESYS products. Crafted network communication requests can trigger the exploitation of this flaw.
Affected Systems and Versions
The vulnerability affects multiple CODESYS products with versions less than V4.10.0.0 and V3.5.19.20.
Exploitation Mechanism
After successful user authentication, specific crafted network communication requests with inconsistent content can exploit the vulnerability.
Mitigation and Prevention
This section outlines the steps to mitigate and prevent exploitation of the CVE-2023-37549 vulnerability.
Immediate Steps to Take
Users are advised to update the affected CODESYS products to versions that are not vulnerable, specifically V4.10.0.0 and V3.5.19.20.
Long-Term Security Practices
Implementing robust input validation mechanisms and regular security updates can enhance the security posture of the systems.
Patching and Updates
Regularly applying security patches and updates provided by CODESYS is essential to safeguard against potential vulnerabilities.