CVE-2021-43571

The verify function in the Stark Bank Node.js ECDSA library (ecdsa-node) 1.1.2 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.
Configurations

Configuration 1 (hide)

cpe:2.3:a:starkbank:ecdsa-node:1.1.2:*:*:*:*:*:*:*

History

12 Nov 2021, 19:59

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown
v2 : 7.5
v3 : 9.8
CWE CWE-347
References (MISC) https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/ - (MISC) https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/ - Exploit, Third Party Advisory
References (MISC) https://github.com/starkbank/ecdsa-node/releases/tag/v1.1.3 - (MISC) https://github.com/starkbank/ecdsa-node/releases/tag/v1.1.3 - Third Party Advisory
CPE cpe:2.3:a:starkbank:ecdsa-node:1.1.2:*:*:*:*:*:*:*

09 Nov 2021, 22:15

Type Values Removed Values Added
New CVE

Information

Published : 2021-11-09 22:15

Updated : 2023-12-10 14:09


NVD link : CVE-2021-43571

Mitre link : CVE-2021-43571

CVE.ORG link : CVE-2021-43571


JSON object : View

Products Affected

starkbank

  • ecdsa-node
CWE
CWE-347

Improper Verification of Cryptographic Signature