CVE-2018-18206: Integer Overflow or Wraparound

October 10, 2018 (updated December 28, 2018)

In the client in Bytom checkTopicRegister in p/discover/net.go does not prevent negative idx values, leading to a crash.

References

github.com/Bytom/bytom/commit/1ac3c8ac4f2b1e1df9675228290bda6b9586ba42
nvd.nist.gov/vuln/detail/CVE-2018-18206

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