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."
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2018-11-12T02:00:00

Updated: 2024-08-05T11:23:08.555Z

Reserved: 2018-11-03T00:00:00

Link: CVE-2018-18920

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2018-11-12T02:29:00.233

Modified: 2019-02-04T13:31:03.050

Link: CVE-2018-18920

cve-icon Redhat

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