CVE-2023-37544

Summary

CVE-2023-37544: An improper authentication issue was identified in Apache Pulsar WebSocket Proxy, allowing unauthenticated access to the /pingpong endpoint. This vulnerability can lead to denial of service attacks and excessive data transfer. Affected versions include 2.8.0 through 2.8.*, 2.9.0 through 2.9.*, 2.10.0 through 2.10.4, 2.11.0 through 2.11.1, and 3.0.0. Users of 2.10 Pulsar WebSocket Proxy should upgrade to at least 2.10.5, 2.11 Pulsar WebSocket Proxy to at least 2.11.2, and 3.0 Pulsar WebSocket Proxy to at least 3.0.1. Users running the Pulsar WebSocket Proxy for 2.8, 2.9, and earlier must upgrade to one of the patched versions to mitigate the risks.

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