{"id":"RUSTSEC-2020-0156","summary":"Observable Discrepancy in libsecp256k1-rs","details":"A timing vulnerability in the Scalar::check_overflow function in Parity libsecp256k1-rs before 0.3.1 potentially allows an attacker to leak information via a side-channel attack.","aliases":["CVE-2019-20399","GHSA-7cqg-8449-rmfv"],"modified":"2023-11-08T04:01:30.388161Z","published":"2020-01-22T12:00:00Z","database_specific":{"license":"CC0-1.0"},"references":[{"type":"PACKAGE","url":"https://crates.io/crates/libsecp256k1-rs"},{"type":"ADVISORY","url":"https://rustsec.org/advisories/RUSTSEC-2020-0156.html"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20399"}],"affected":[{"package":{"name":"libsecp256k1-rs","ecosystem":"crates.io","purl":"pkg:cargo/libsecp256k1-rs"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"},{"fixed":"0.3.1"}]}],"ecosystem_specific":{"affects":{"functions":[],"os":[],"arch":[]},"affected_functions":null},"database_specific":{"informational":null,"source":"https://github.com/rustsec/advisory-db/blob/osv/crates/RUSTSEC-2020-0156.json","cvss":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","categories":["crypto-failure"]}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}