github - ghsa-g4vj-x7v9-h82m

ghsa-g4vj-x7v9-h82m

Vulnerability from github

Published

2021-08-25 20:56

Modified

2021-08-18 21:20

Severity ?

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

Overflow in libsecp256k1

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.

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "libsecp256k1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.5.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-38195"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-190",
      "CWE-347"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-08-18T21:20:32Z",
    "nvd_published_at": "2021-08-08T06:15:00Z",
    "severity": "CRITICAL"
  },
  "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.",
  "id": "GHSA-g4vj-x7v9-h82m",
  "modified": "2021-08-18T21:20:32Z",
  "published": "2021-08-25T20:56:03Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-38195"
    },
    {
      "type": "WEB",
      "url": "https://github.com/paritytech/libsecp256k1/pull/67"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/paritytech/libsecp256k1"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0076.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Overflow in libsecp256k1"
}

CVE-2021-38195 (GCVE-0-2021-38195)

Vulnerability from cvelistv5

Published

2021-08-08 05:07

Modified

2024-08-04 01:37

Severity ?

CWE

Summary

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.

References

▼	URL	Tags
	https://rustsec.org/advisories/RUSTSEC-2021-0076.html	x_refsource_MISC
	https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/libsecp256k1/RUSTSEC-2021-0076.md	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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          }
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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