CVE-2022-35961

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Summary

CVECVE-2022-35961
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-08-15 11:21:00 UTC
Updated2022-12-06 19:51:00 UTC
DescriptionOpenZeppelin Contracts is a library for secure smart contract development. The functions `ECDSA.recover` and `ECDSA.tryRecover` are vulnerable to a kind of signature malleability due to accepting EIP-2098 compact signatures in addition to the traditional 65 byte signature format. This is only an issue for the functions that take a single `bytes` argument, and not the functions that take `r, v, s` or `r, vs` as separate arguments. The potentially affected contracts are those that implement signature reuse or replay protection by marking the signature itself as used rather than the signed message or a nonce included in it. A user may take a signature that has already been submitted, submit it again in a different form, and bypass this protection. The issue has been patched in 4.7.3.

Risk And Classification

Problem Types: CWE-354

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Openzeppelin Contracts All All All All
Application Openzeppelin Contracts-upgradeable All All All All
Application Openzeppelin Contracts Upgradeable All All All All

References

ReferenceSourceLinkTags
Fix ECDSA signature malleability by frangio · Pull Request #3610 · OpenZeppelin/openzeppelin-contracts · GitHub MISC github.com
Release v4.7.3 · OpenZeppelin/openzeppelin-contracts · GitHub MISC github.com
ECDSA signature malleability · Advisory · OpenZeppelin/openzeppelin-contracts · GitHub CONFIRM github.com
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