Negative idx values in checkTopicRegister in Bytom client before 1.0.6 leading to a crash vulnerability

Negative idx values in checkTopicRegister in Bytom client before 1.0.6 leading to a crash vulnerability

CVE-2018-18206 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

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.

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