CVSS 3.1 Score 7.5 of 10 (high)


Published Oct 13, 2023
Updated: Oct 24, 2023
CWE ID 770


CVE-2023-45130 is a high-severity vulnerability affecting Frontier, Substrate's Ethereum compatibility layer. The vulnerability occurs when the opcode SUICIDE is used to delete a contract, and the software uses storage::remove_prefix to remove associated storages. This IO primitive call can be slow for large contracts without providing a limit parameter. Additionally, in parachains, all storages to be deleted will exceed the relay chain PoV size limit. Attackers can exploit this vulnerability by crafting a contract with numerous storage values on a parachain and calling opcode SUICIDE, causing the parachain to stall. The potential danger posed to organizations is high, as it can lead to service disruption. Remediation for this vulnerability is not stated in the provided information.

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