Critical severityNVD Advisory· Published Nov 9, 2021· Updated Aug 4, 2024
CVE-2021-43570
CVE-2021-43570
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
com.starkbank.ellipticcurve:starkbank-ecdsaMaven | < 1.0.1 | 1.0.1 |
Affected products
2- Stark Bank Java/ecdsa-javadescription
Patches
Vulnerability mechanics
References
7- github.com/advisories/GHSA-r28h-x6hv-2fq3ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-43570ghsaADVISORY
- github.com/starkbank/ecdsa-java/commit/ed22e484186d6c66d3686bfe39d01bdbabf219b6ghsaWEB
- github.com/starkbank/ecdsa-java/pull/16ghsaWEB
- github.com/starkbank/ecdsa-java/releases/tag/v1.0.1ghsax_refsource_MISCWEB
- research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-librariesghsaWEB
- research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/mitrex_refsource_MISC
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