GitHub Advisoryadvisory · Maven
GHSA-r28h-x6hv-2fq3 Improper Verification of Cryptographic Signature in starkbank-ecdsa
CRITICAL
Official page ↗
- Aliases
- CVE-2021-43570
- Ecosystem
- Maven
- Packages
- com.starkbank.ellipticcurve:starkbank-ecdsa
- Severity
- Critical
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-347
- Reviewed
- 2021-11-10
Affected packages
• Maven com.starkbank.ellipticcurve:starkbank-ecdsa: < 1.0.1 → fixed in 1.0.1
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.
Related
Alias · CVE (1)
- 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… vulnerability
Weakness · CWE (1)
- CWE-347 Improper Verification of Cryptographic Signature weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-43570 advisory
- https://github.com/starkbank/ecdsa-java/pull/16 web
- https://github.com/starkbank/ecdsa-java/commit/ed22e484186d6c66d3686bfe39d01bdbabf219b6 web
- https://github.com/starkbank/ecdsa-java package
- https://github.com/starkbank/ecdsa-java/releases/tag/v1.0.1 web
- https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries web