{"id":"CVE-2021-38194","aliases":["RUSTSEC-2021-0075"],"url":"https://o3.security/vulnerability/CVE-2021-38194","summary":"Calculation error in ark-r1cs-std","details":"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.","published":"2021-08-25T20:55:58Z","modified":"2023-11-08T04:06:26.167178Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"crates.io","name":"ark-r1cs-std","fixedVersion":"0.3.1"}],"fix":{"url":"https://github.com/arkworks-rs/r1cs-std/pull/70","label":"arkworks-rs/r1cs-std#70"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38194"},{"type":"WEB","url":"https://github.com/arkworks-rs/r1cs-std/pull/70"},{"type":"WEB","url":"https://github.com/arkworks-rs/r1cs-std/commit/47ddbaa411afe7c499311a248a38135e5a192b67"},{"type":"PACKAGE","url":"https://github.com/arkworks-rs/r1cs-std"},{"type":"WEB","url":"https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ark-r1cs-std/RUSTSEC-2021-0075.md"},{"type":"WEB","url":"https://rustsec.org/advisories/RUSTSEC-2021-0075.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2023-11-08T04:06:26.167178Z"}}