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
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