Security Advisory

CVE-2018-18920

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2018-11-12 02:00:00

Last updated 2024-08-05 11:23:08

Assigner mitre

CVSS score not scored

State PUBLISHED

Description

Py-EVM v0.2.0-alpha.33 allows attackers to make a vm.execute_bytecode call that triggers computation._stack.values with '"stack": [100, 100, 0]' where b'\x' was expected, resulting in an execution failure because of an invalid opcode. This is reportedly related to "smart contracts can be executed indefinitely without gas being paid."

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