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.
Metrics
Affected Vendors & Products
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 |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T04:03:08.126Z
Reserved: 2021-11-09T00:00:00
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.
EUVD
Github GHSA