9.8
CVE-2021-43568
- EPSS 1.02%
- Veröffentlicht 09.11.2021 22:15:07
- Zuletzt bearbeitet 21.11.2024 06:29:27
- Quelle cve@mitre.org
- CVE-Watchlists
- Unerledigt
LoginThe 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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Starkbank ≫ Elixir Ecdsa Version1.0.0
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 1.02% | 0.589 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 9.8 | 3.9 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 7.5 | 10 | 6.4 |
AV:N/AC:L/Au:N/C:P/I:P/A:P
|
CWE-347 Improper Verification of Cryptographic Signature
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
https://github.com/starkbank/ecdsa-elixir/releases/tag/v1.0.1
https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/