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GHSA-8mx2-gqx9-rm7f: Uncontrolled Resource Consumption in opcua

The package opcua from 0.0.0 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.

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Uncontrolled Resource Consumption in opcua

High severity GitHub Reviewed Published Aug 24, 2022 • Updated Aug 30, 2022

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CVE-2022-25888: Snyk Vulnerability Database | Snyk

The package opcua from 0.0.0 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.