CVE-2021-43569

Published: Nov 9, 2021

Modified: Aug 4, 2024

PUBLISHED

Description

The verify function in the Stark Bank .NET ECDSA library (ecdsa-dotnet) 1.3.1 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

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

x_refsource_MISC

https://github.com/starkbank/ecdsa-dotnet/releases/tag/v1.3.2

x_refsource_MISC

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now

CVE-2021-43569

Description

Affected Products

References