CVE-2021-36155: Uncontrolled Resource Consumption in LengthPrefixedMessageReader

June 9, 2023

Affected gRPC Swift clients and servers are vulnerable to uncontrolled resource consumption attacks. Excessive memory may be allocated when parsing messages. This can lead to a denial of service.

References

bugs.chromium.org/p/oss-fuzz/issues/detail?id=35303
github.com/advisories/GHSA-rxmj-hg9v-vp3p
github.com/grpc/grpc-swift
github.com/grpc/grpc-swift/releases/tag/1.2.0
github.com/grpc/grpc-swift/security/advisories/GHSA-rxmj-hg9v-vp3p
nvd.nist.gov/vuln/detail/CVE-2021-36155

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