{
"id": "GHSA-g4vj-x7v9-h82m",
"aliases": [
"CVE-2021-38195"
],
"details": "An issue was discovered in the libsecp256k1 crate before 0.5.0 for Rust. It can verify an invalid signature because it allows the R or S parameter to be larger than the curve order, aka an overflow.",
"summary": "Overflow in libsecp256k1",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.5.0"
}
]
}
],
"package": {
"name": "libsecp256k1",
"ecosystem": "crates.io"
}
}
],
"modified": "2021-08-18T21:20:32Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"published": "2021-08-25T20:56:03Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-38195",
"type": "ADVISORY"
},
{
"url": "https://github.com/paritytech/libsecp256k1/pull/67",
"type": "WEB"
},
{
"url": "https://github.com/paritytech/libsecp256k1",
"type": "PACKAGE"
},
{
"url": "https://rustsec.org/advisories/RUSTSEC-2021-0076.html",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-190",
"CWE-347"
],
"severity": "CRITICAL",
"github_reviewed": true,
"nvd_published_at": "2021-08-08T06:15:00Z",
"github_reviewed_at": "2021-08-18T21:20:32Z"
}
}