CVE - CVE-2022-21685

CVE-ID
CVE-2022-21685	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
Frontier is Substrate's Ethereum compatibility layer. Prior to commit number `8a93fdc6c9f4eb1d2f2a11b7ff1d12d70bf5a664`, a bug in Frontier's MODEXP precompile implementation can cause an integer underflow in certain conditions. This will cause a node crash for debug builds. For release builds (and production WebAssembly binaries), the impact is limited as it can only cause a normal EVM out-of-gas. Users who do not use MODEXP precompile in their runtime are not impacted. A patch is available in pull request #549.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
CONFIRM:https://github.com/paritytech/frontier/security/advisories/GHSA-cjg2-2fjg-fph4 URL:https://github.com/paritytech/frontier/security/advisories/GHSA-cjg2-2fjg-fph4 MISC:https://github.com/paritytech/frontier/commit/8a93fdc6c9f4eb1d2f2a11b7ff1d12d70bf5a664 URL:https://github.com/paritytech/frontier/commit/8a93fdc6c9f4eb1d2f2a11b7ff1d12d70bf5a664 MISC:https://github.com/paritytech/frontier/pull/549 URL:https://github.com/paritytech/frontier/pull/549
Assigning CNA
GitHub (maintainer security advisories)
Date Record Created
20211116	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20211116)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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