CVE-2021-43570

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...

CVE-2021-43570

The CVE-2021-43570 issue affects Stark Bank’s Java ECDSA library (ecdsa-java) 1.0.0. The verify() function fails to enforce a non‑zero signature, enabling forgery of signatures on arbitrary messages. This vulnerability has a high/critical impact (CVSS 3.1: 9.8) with network attack exposure and re...