GHSA-92vm-mxjf-jqf3

Suggest an improvement
Source
https://github.com/advisories/GHSA-92vm-mxjf-jqf3
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/11/GHSA-92vm-mxjf-jqf3/GHSA-92vm-mxjf-jqf3.json
JSON Data
https://api.test.osv.dev/v1/vulns/GHSA-92vm-mxjf-jqf3
Aliases
Published
2021-11-10T20:41:39Z
Modified
2024-10-25T15:01:29.526420Z
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 Python ECDSA library (starkbank-ecdsa) 2.0.0 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": "2021-11-10T18:23:18Z"
}
References

Affected packages

PyPI / starkbank-ecdsa

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.0.1

Affected versions

0.*

0.1
0.1.1
0.1.2
0.1.3
0.1.4
0.1.5
0.1.6
0.1.7
0.1.8
0.1.9

1.*

1.0.0
1.1.0
1.1.1

2.*

2.0.0