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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXFqM3YtcTJ2ai00Yzho

Calculation error in ark-r1cs-std

An issue was discovered in the ark-r1cs-std crate before 0.3.1 for Rust. It does not enforce any constraints in the FieldVar::mul_by_inverse method. Thus, a prover can produce a proof that is unsound but is nonetheless verified.

Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 2 years ago
Updated: about 1 year ago

CVSS Score: 9.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Identifiers: GHSA-qj3v-q2vj-4c8h, CVE-2021-38194
References: Repository:
Blast Radius: 21.8

Affected Packages

Dependent packages: 52
Dependent repositories: 167
Downloads: 971,913 total
Affected Version Ranges: >= 0.2.0, < 0.3.1
Fixed in: 0.3.1
All affected versions: 0.2.0, 0.3.0
All unaffected versions: 0.3.1, 0.4.0