Patched Fix gRPC-Go HTTP/2
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In affected releases of gRPC-Go, it is possible for an attacker to send HTTP/2 requests, cancel them, and send subsequent requests, which is valid by the HTTP/2 protocol, but would cause the gRPC-Go server to launch more concurrent method handlers than the configured maximum stream limit. Along with applying the patch, users should also ensure they are using the `grpc.MaxConcurrentStreams` server option to apply a limit to the server's resources used for any single connection. Signed-off-by: Miftah <[email protected]>
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Fixes need to be made in the https://github.com/hyperledger/fabric-protos repository (to files in this directory). The contents of this repository is generated and populated by the build of the hyperledger/fabric-protos repository. |
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In affected releases of gRPC-Go, it is possible for an attacker to send HTTP/2 requests, cancel them, and send subsequent requests, which is valid by the HTTP/2 protocol, but would cause the gRPC-Go server to launch more concurrent method handlers than the configured maximum stream limit.
Along with applying the patch, users should also ensure they are using the
grpc.MaxConcurrentStreamsserver option to apply a limit to the server's resources used for any single connection.