CVE-2018-18206: Integer Overflow or Wraparound

February 15, 2022 (updated February 7, 2023)

In the client in Bytom before 1.0.6, checkTopicRegister in p2p/discover/net.go does not prevent negative idx values, leading to a crash.

References

github.com/Bytom/bytom/commit/1ac3c8ac4f2b1e1df9675228290bda6b9586ba42
github.com/Bytom/bytom/pull/1307
github.com/advisories/GHSA-vc3x-gx6c-g99f
nvd.nist.gov/vuln/detail/CVE-2018-18206
pkg.go.dev/vuln/GO-2021-0079

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