Description

Frontier is Substrate's Ethereum compatibility layer. Prior to commit aea528198b3b226e0d20cce878551fd4c0e3d5d0, at the end of a contract execution, when opcode SUICIDE marks a contract to be deleted, the software uses `storage::remove_prefix` (now renamed to `storage::clear_prefix`) to remove all storages associated with it. This is a single IO primitive call passing the WebAssembly boundary. For large contracts, the call (without providing a `limit` parameter) can be slow. In addition, for parachains, all storages to be deleted will be part of the PoV, which easily exceed relay chain PoV size limit. On the other hand, Frontier's maintainers only charge a fixed cost for opcode SUICIDE. The maintainers consider the severity of this issue high, because an attacker can craft a contract with a lot of storage values on a parachain, and then call opcode SUICIDE on the contract. If the transaction makes into a parachain block, the parachain will then stall because the PoV size will exceed relay chain's limit. This is especially an issue for XCM transactions, because they can't be skipped. Commit aea528198b3b226e0d20cce878551fd4c0e3d5d0 contains a patch for this issue. For parachains, it's recommended to issue an emergency runtime upgrade as soon as possible. For standalone chains, the impact is less severe because the issue mainly affects PoV sizes. It's recommended to issue a normal runtime upgrade as soon as possible. There are no known workarounds.

Severity

 

CVSS Version 3.x CVSS Version 2.0

CVSS 3.x Severity and Metrics:

CNA:  GitHub, Inc.

Base Score:  7.5 HIGH

Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: The NVD and the CNA have provided the same score. When this occurs only the CNA information is displayed, but the Acceptance Level icon for the CNA is given a checkmark to signify NVD concurrence.

CVSS 2.0 Severity and Metrics:

NIST: NVD

Base Score: N/A

NVD assessment not yet provided.

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://github.com/paritytech/frontier/commit/aea528198b3b226e0d20cce878551fd4c0e3d5d0	Patch
https://github.com/paritytech/frontier/pull/1212	Patch  Vendor Advisory
https://github.com/paritytech/frontier/security/advisories/GHSA-gc88-2gvv-gp3v	Patch  Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-770	Allocation of Resources Without Limits or Throttling	NIST   GitHub, Inc.

Known Affected Software Configurations Switch to CPE 2.2

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Change History

1 change records found show changes

Initial Analysis by NIST 10/24/2023 9:56:46 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		OR *cpe:2.3:a:parity:frontier:*:*:*:*:*:rust:*:* versions up to (including) 0.1.0
Added	CVSS V3.1		NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Added	CWE		NIST CWE-770
Changed	Reference Type	https://github.com/paritytech/frontier/commit/aea528198b3b226e0d20cce878551fd4c0e3d5d0 No Types Assigned	https://github.com/paritytech/frontier/commit/aea528198b3b226e0d20cce878551fd4c0e3d5d0 Patch
Changed	Reference Type	https://github.com/paritytech/frontier/pull/1212 No Types Assigned	https://github.com/paritytech/frontier/pull/1212 Patch, Vendor Advisory
Changed	Reference Type	https://github.com/paritytech/frontier/security/advisories/GHSA-gc88-2gvv-gp3v No Types Assigned	https://github.com/paritytech/frontier/security/advisories/GHSA-gc88-2gvv-gp3v Patch, Vendor Advisory