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
verifyfunction 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
-
- https://nvd.nist.gov/vuln/detail/CVE-2021-43572
- https://github.com/starkbank/ecdsa-python/commit/d136170666e9510eb63c2572551805807bd4c17f
- https://github.com/pypa/advisory-database/tree/main/vulns/starkbank-ecdsa/PYSEC-2021-426.yaml
- https://github.com/starkbank/ecdsa-python
- https://github.com/starkbank/ecdsa-python/releases/tag/v2.0.1
- https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries
Affected packages
PyPI / starkbank-ecdsa
Package
- Name
- starkbank-ecdsa
- View open source insights on deps.dev
- Purl
- pkg:pypi/starkbank-ecdsa