Executive Summary

Name CVE-2022-31111 First vendor Publication 2022-07-06
Vendor Cve Last vendor Modification 2022-07-14

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Overall CVSS Score 5.3
Base Score 5.3 Environmental Score 5.3
impact SubScore 1.4 Temporal Score 5.3
Exploitabality Sub Score 3.9
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact Low Availability Impact None
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Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:P/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
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Frontier is Substrate's Ethereum compatibility layer. In affected versions the truncation done when converting between EVM balance type and Substrate balance type was incorrectly implemented. This leads to possible discrepancy between appeared EVM transfer value and actual Substrate value transferred. It is recommended that an emergency upgrade to be planned and EVM execution temporarily paused in the mean time. The issue is patched in Frontier master branch commit fed5e0a9577c10bea021721e8c2c5c378e16bf66 and polkadot-v0.9.22 branch commit e3e427fa2e5d1200a784679f8015d4774cedc934. This vulnerability affects only EVM internal states, but not Substrate balance states or node. You can temporarily pause EVM execution (by setting up a Substrate `CallFilter` that disables `pallet-evm` and `pallet-ethereum` calls before the patch can be applied.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-31111

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-670 Always-Incorrect Control Flow Implementation

CPE : Common Platform Enumeration

Application 1

Sources (Detail)

Source Url
CONFIRM https://github.com/paritytech/frontier/security/advisories/GHSA-hc8w-mx86-9fcj
MISC https://github.com/paritytech/frontier/commit/e3e427fa2e5d1200a784679f8015d47...

Alert History

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Date Informations
2022-07-14 21:27:13
  • Multiple Updates
2022-07-07 00:27:20
  • First insertion