CVE-2021-43570: Improper Verification of Cryptographic Signature in starkbank-ecdsa
(updated )
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.
References
- github.com/advisories/GHSA-r28h-x6hv-2fq3
- github.com/starkbank/ecdsa-java
- github.com/starkbank/ecdsa-java/commit/ed22e484186d6c66d3686bfe39d01bdbabf219b6
- github.com/starkbank/ecdsa-java/pull/16
- github.com/starkbank/ecdsa-java/releases/tag/v1.0.1
- nvd.nist.gov/vuln/detail/CVE-2021-43570
- research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries
Code Behaviors & Features
Detect and mitigate CVE-2021-43570 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →