CVE-2022-37013 : Security Advisory and Response
CVE-2022-37013 allows remote attackers to trigger an infinite loop in Unified Automation OPC UA C++ Demo Server, leading to a denial-of-service condition. Learn about the impact, technical details, and mitigation steps.
This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537 [with vendor rollup]. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of certificates. A crafted certificate can force the server into an infinite loop. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
Understanding CVE-2022-37013
CVE-2022-37013 is a vulnerability in Unified Automation OPC UA C++ Demo Server that can be exploited remotely to cause a denial-of-service condition.
What is CVE-2022-37013?
CVE-2022-37013 is a security vulnerability that allows remote attackers to exploit the handling of certificates in Unified Automation OPC UA C++ Demo Server to create a denial-of-service condition without requiring authentication.
The Impact of CVE-2022-37013
The impact of CVE-2022-37013 is significant as it allows attackers to force the server into an infinite loop by using a crafted certificate, ultimately leading to a denial-of-service condition on the system.
Technical Details of CVE-2022-37013
CVE-2022-37013 has the following technical details:
Vulnerability Description
The vulnerability lies in the mishandling of certificates in Unified Automation OPC UA C++ Demo Server, allowing attackers to trigger an infinite loop.
Affected Systems and Versions
Unified Automation OPC UA C++ Demo Server version 1.7.6-537 [with vendor rollup] is affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability remotely without the need for authentication, using crafted certificates to induce the server into an infinite loop.
Mitigation and Prevention
To mitigate the risks associated with CVE-2022-37013, consider the following steps:
Immediate Steps to Take
- Apply vendor patches and updates promptly.
- Implement network security measures to block unauthorized access.
Long-Term Security Practices
- Conduct regular security assessments and audits.
- Keep systems and applications up to date with the latest security patches.
Patching and Updates
Ensure that Unified Automation OPC UA C++ Demo Server is updated to a version that addresses the vulnerability.