CVE-2021-38194: 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.
References
- github.com/advisories/GHSA-qj3v-q2vj-4c8h
- github.com/arkworks-rs/r1cs-std
- github.com/arkworks-rs/r1cs-std/commit/47ddbaa411afe7c499311a248a38135e5a192b67
- github.com/arkworks-rs/r1cs-std/pull/70
- nvd.nist.gov/vuln/detail/CVE-2021-38194
- raw.githubusercontent.com/rustsec/advisory-db/main/crates/ark-r1cs-std/RUSTSEC-2021-0075.md
- rustsec.org/advisories/RUSTSEC-2021-0075.html
Code Behaviors & Features
Detect and mitigate CVE-2021-38194 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →