CVE-2021-43570

Published: Nov 9, 2021Modified: Nov 21, 2024

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

The verify function in the Stark Bank Java ECDSA library (ecdsa-java) 1.0.0 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.

Affected (1)

Products: Starkbank: Ecdsa Java

Starkbank

1 product

Ecdsa Java

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Starkbank Ecdsa Java	Version 1.0.0

Related CWEs

CWE-347

Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

References (4)

https://github.com/starkbank/ecdsa-java/releases/tag/v1.0.1

Source: cve@mitre.org

Third Party Advisory

https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/

Source: cve@mitre.org

ExploitThird Party Advisory

https://github.com/starkbank/ecdsa-java/releases/tag/v1.0.1

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

Timeline

No history available yet.