GHSA-j3jw-j2j8-2wv9

Source

https://github.com/advisories/GHSA-j3jw-j2j8-2wv9

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/11/GHSA-j3jw-j2j8-2wv9/GHSA-j3jw-j2j8-2wv9.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-j3jw-j2j8-2wv9

Aliases

CVE-2021-43569

Published

2021-11-10T20:58:03Z

Modified

2024-02-17T05:34:44.265885Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

Improper Verification of Cryptographic Signature in starkbank-ecdsa

Details

The verify function in the Stark Bank .NET ECDSA library (ecdsa-dotnet) 1.3.1 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.

Database specific

{
    "nvd_published_at": "2021-11-09T22:15:00Z",
    "cwe_ids": [
        "CWE-347"
    ],
    "severity": "CRITICAL",
    "github_reviewed": true,
    "github_reviewed_at": "2021-11-10T18:26:13Z"
}

References

Affected packages

NuGet / starkbank-ecdsa

Package

Name: starkbank-ecdsa; View open source insights on deps.dev
Purl: pkg:nuget/starkbank-ecdsa

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.3.2

Affected versions

0.*

0.0.1

1.*

1.0.0

1.1.0

1.2.0

1.2.1

1.3.0

1.3.1