GHSA-qc6v-5g5m-8cw2 ZITADEL Go's GRPC example code vulnerability - GO-2024-2687 HTTP/2 CONTINUATION flood in net/http

• Go github.com/zitadel/zitadel-go/v3: >= 3.0.0-next.1, < 3.0.0-next.3 → fixed in 3.0.0-next.3

Summary Applications using the `zitadel-go` `v3` library (`next` branch) might be impacted by package vulnerabilities. The output of `govulncheck` suggests that only `example` code seems to be impacted, based on 1 of the 3 potential vulnerabilities. This vulnerability is located in the transitive dependency `golang.org/x/net v0.19.0`, CVE-2023-45288 Patches 3.0.0-next versions are fixed on >= 3.0.0-next.3 ZITADEL recommends upgrading to the latest versions available in due course. Workarounds If updating the zitadel-go library is not an option, updating the affected (transient) dependencies works as a workaround. Details Direct deps: • GO-2024-2631 Decompression bomb vulnerability in github.com/go-jose/go-jose • github.com/go-jose/go-jose/v3 Fixed in v3.0.3. This module is necessary because github.com/go-jose/go-jose/v3 is imported in `github.com/zitadel/zitadel-go/v3/pkg/client/system`. • GO-2024-2611 Infinite loop in JSON unmarshaling in google.golang.org/protobuf • google.golang.org/protobuf/encoding/protojson • google.golang.org/protobuf/internal/encoding/json Fixed in v1.33.0. This module is necessary because google.golang.org/protobuf/reflect/protoreflect is imported in `github.com/zitadel/zitadel-go/v3/example/api/grpc/proto`. Transitive deps: • GO-2024-2687 HTTP/2 CONTINUATION flood in net/http • golang.org/x/net/http2 Fixed in v0.23.0. This module is necessary because golang.org/x/net/trace is imported in: • `github.com/zitadel/zitadel-go/v3/example/api/grpc` • `google.golang.org/grpc` `govulncheck` ```console === Symbol Results === Vulnerability #1: GO-2024-2687 HTTP/2 CONTINUATION flood in net/http More info: https://pkg.go.dev/vuln/GO-2024-2687 Module: golang.org/x/net Found in: golang.org/x/[email protected] Fixed in: golang.org/x/[email protected] Example traces found: #1: example/api/grpc/proto/api_grpc.pb.go:239:34: proto.exampleServiceAddTasksServer.Recv calls grpc.serverStream.RecvMsg, which eventually calls http2.ConnectionError.Error #2: pkg/client/auth.go:92:20: client.ScopeProjectID calls fmt.Sprintf, which eventually calls http2.ErrCode.String #3: pkg/client/auth.go:92:20: client.ScopeProjectID calls fmt.Sprintf, which eventually calls http2.FrameHeader.String #4: pkg/client/auth.go:92:20: client.ScopeProjectID calls fmt.Sprintf, which eventually calls http2.FrameType.String #5: example/api/grpc/main.go:63:24: grpc.main calls grpc.Server.Serve, which eventually calls http2.Framer.ReadFrame #6: example/api/grpc/main.go:63:24: grpc.main calls grpc.Server.Serve, which eventually calls http2.Framer.WriteContinuation #7: example/api/grpc/main.go:63:24: grpc.main calls grpc.Server.Serve, which eventually calls http2.Framer.WriteData #8: example/api/grpc/main.go:63:24: grpc.main calls grpc.Server.Serve, which eventually calls http2.Framer.WriteGoAway #9: example/api/grpc/main.go:63:24: grpc.main calls grpc.Server.Serve, which eventually calls http2.Framer.WriteHeaders #10: example/api/grpc/main.go:63:24: grpc.main calls grpc.Server.Serve, which eventually calls http2.Framer.WritePing #11: example/api/grpc/main.go:63:24: grpc.main calls grpc.Server.Serve, which eventually calls http2.Framer.WriteRSTStream #12: example/api/grpc/main.go:63:24: grpc.main calls grpc.Server.Serve, which eventually calls http2.Framer.WriteSettings #13: example/api/grpc/main.go:63:24: grpc.main calls grpc.Server.Serve, which eventually calls http2.Framer.WriteSettingsAck #14: example/api/grpc/main.go:63:24: grpc.main calls grpc.Server.Serve, which eventually calls http2.Framer.WriteWindowUpdate #15: example/api/grpc/proto/api_grpc.pb.go:239:34: proto.exampleServiceAddTasksServer.Recv calls grpc.serverStream.RecvMsg, which eventually calls http2.GoAwayError.Error #16: pkg/client/auth.go:92:20: client.ScopeProjectID calls fmt.Sprintf, which eventually calls http2.Setting.String #17: pkg/client/auth.go:92:20: client.ScopeProjectID calls fmt.Sprintf, which eventually calls http2.SettingID.String #18: example/api/grpc/main.go:63:24: grpc.main calls grpc.Server.Serve, which eventually calls http2.SettingsFrame.ForeachSetting #19: example/api/grpc/proto/api_grpc.pb.go:239:34: proto.exampleServiceAddTasksServer.Recv calls grpc.serverStream.RecvMsg, which eventually calls http2.StreamError.Error #20: example/app/app.go:111:27: app.main calls http.ListenAndServe, which eventually calls http2.chunkWriter.Write #21: example/api/grpc/proto/api_grpc.pb.go:239:34: proto.exampleServiceAddTasksServer.Recv calls grpc.serverStream.RecvMsg, which eventually calls http2.connError.Error #22: pkg/client/auth.go:92:20: client.ScopeProjectID calls fmt.Sprintf, which eventually calls http2.duplicatePseudoHeaderError.Error #23: pkg/client/auth.go:23:42: client.JWTAuthentication calls profile.NewJWTProfileTokenSource, which eventually calls http2.gzipReader.Close #24: pkg/authentication/state.go:20:26: authentication.State.Encrypt calls crypto.EncryptAES, which eventually calls http2.gzipReader.Read #25: pkg/client/auth.go:92:20: client.ScopeProjectID calls fmt.Sprintf, which eventually calls http2.headerFieldNameError.Error #26: pkg/client/auth.go:92:20: client.ScopeProjectID calls fmt.Sprintf, which eventually calls http2.headerFieldValueError.Error #27: pkg/client/auth.go:92:20: client.ScopeProjectID calls fmt.Sprintf, which eventually calls http2.pseudoHeaderError.Error #28: example/app/app.go:111:27: app.main calls http.ListenAndServe, which eventually calls http2.stickyErrWriter.Write #29: pkg/client/auth.go:23:42: client.JWTAuthentication calls profile.NewJWTProfileTokenSource, which eventually calls http2.transportResponseBody.Close #30: pkg/authentication/state.go:20:26: authentication.State.Encrypt calls crypto.EncryptAES, which eventually calls http2.transportResponseBody.Read #31: pkg/client/auth.go:92:20: client.ScopeProjectID calls fmt.Sprintf, which eventually calls http2.writeData.String Your code is affected by 1 vulnerability from 1 module. This scan also found 2 vulnerabilities in packages you import and 1 vulnerability in modules you require, but your code doesn't appear to call these vulnerabilities. ``` PoC No specific configuration required. Impact Indirect package vulnerability. Users following example code might be impacted. References • https://pkg.go.dev/vuln/GO-2024-2631 • https://pkg.go.dev/vuln/GO-2024-2611 • https://pkg.go.dev/vuln/GO-2024-2687 Credits Thanks to @helpisdev for reporting this.