CVE-2022-37013

Description

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. Was ZDI-CAN-17203.

References

Link	Tags
https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt	release notes
https://www.zerodayinitiative.com/advisories/ZDI-22-1029/	third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2022-37013?: CVE-2022-37013 has been scored as a high severity vulnerability.
How to fix CVE-2022-37013?: To fix CVE-2022-37013, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-37013 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-37013 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-37013?: CVE-2022-37013 affects Unified Automation OPC UA C++ Demo Server.

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Description

Category

CWE-835 – Loop with Unreachable Exit Condition ('Infinite Loop')

References

Frequently Asked Questions