Description
The verify function in the Stark Bank Python ECDSA library (aka starkbank-escada or ecdsa-python) before 2.0.1 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2021-0251 | The verify function in the Stark Bank Python ECDSA library (ecdsa-python) 2.0.0 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages. |
Github GHSA |
GHSA-92vm-mxjf-jqf3 | Improper Verification of Cryptographic Signature in starkbank-ecdsa |
References
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T04:03:08.126Z
Reserved: 2021-11-09T00:00:00.000Z
Link: CVE-2021-43572
No data.
Status : Modified
Published: 2021-11-09T22:15:07.727
Modified: 2024-11-21T06:29:27.950
Link: CVE-2021-43572
No data.
OpenCVE Enrichment
No data.
Weaknesses
EUVD
Github GHSA