CVE-2022-21208: Uncontrolled Resource Consumption

August 23, 2022 (updated August 8, 2023)

The package node-opcua before 2.74.0 is 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.

References

github.com/node-opcua/node-opcua/commit/33ca3bab4ab781392a2f8d8f5a14de9a0aa0e410
github.com/node-opcua/node-opcua/commit/dbcb5d5191118c22ee9c89332a94b94e6553d76b
github.com/node-opcua/node-opcua/pull/1149
nvd.nist.gov/vuln/detail/CVE-2022-21208
security.snyk.io/vuln/SNYK-JS-NODEOPCUA-2988723

Code Behaviors & Features

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