KubeEdge is an open source system for extending native containerized application orchestration capabilities to hosts at Edge. Prior to versions 1.11.1, 1.10.2, and 1.9.4, a large response received by the viaduct WSClient can cause a DoS from memory exhaustion. The entire body of the response is being read into memory which could allow an attacker to send a request that returns a response with a large body. The consequence of the exhaustion is that the process which invokes a WSClient will be in a denial of service. The software is affected If users who are authenticated to the edge side connect to `cloudhub` from the edge side through WebSocket protocol. This bug has been fixed in Kubeedge 1.11.1, 1.10.2, and 1.9.4. There are currently no known workarounds.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| github.com/kubeedge/kubeedge(Go) | 1.11.0 | 1.11.1 | N/A |
| github.com/kubeedge/kubeedge(Go) | 1.10.0 | 1.10.2 | N/A |
| github.com/kubeedge/kubeedge(Go) | 0 | 1.9.4 | N/A |
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