CVE-2022-21208

Denial of Service (DoS)

Description

The package node-opcua before 2.74.0 are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions. An attacker can exploit this vulnerability by sending an unlimited number of huge chunks (e.g. 2GB each) without sending the Final closing chunk.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.10%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory snyk.io
Affected: n/a node-opcua
Published at:
Updated at:

References

Link Tags
https://security.snyk.io/vuln/SNYK-JS-NODEOPCUA-2988723 third party advisory
https://github.com/node-opcua/node-opcua/commit/33ca3bab4ab781392a2f8d8f5a14de9a0aa0e410 third party advisory patch
https://github.com/node-opcua/node-opcua/commit/dbcb5d5191118c22ee9c89332a94b94e6553d76b third party advisory patch
https://github.com/node-opcua/node-opcua/pull/1149 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2022-21208?
CVE-2022-21208 has been scored as a high severity vulnerability.
How to fix CVE-2022-21208?
To fix CVE-2022-21208, 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-2022-21208 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-21208 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-21208?
CVE-2022-21208 affects n/a node-opcua.
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