The verify function in the Stark Bank Elixir ECDSA library (ecdsa-elixir) 1.0.0 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.
References
Link | Resource |
---|---|
https://github.com/starkbank/ecdsa-elixir/releases/tag/v1.0.1 | Third Party Advisory |
https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/ | Exploit Third Party Advisory |
Configurations
History
No history.
Information
Published : 2021-11-09 22:15
Updated : 2024-02-28 18:48
NVD link : CVE-2021-43568
Mitre link : CVE-2021-43568
CVE.ORG link : CVE-2021-43568
JSON object : View
Products Affected
starkbank
- elixir_ecdsa
CWE
CWE-347
Improper Verification of Cryptographic Signature