Improper Verification of Cryptographic Signature Affecting starkbank_ecdsa package, versions >=1.0.0 <1.0.1
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Integrity
High
Threat Intelligence
EPSS
0.23% (61st
percentile)
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Test your applications- Snyk ID SNYK-HEX-STARKBANKECDSA-2940514
- published 3 Jul 2022
- disclosed 24 May 2022
- credit Paul Bottinelli
Introduced: 24 May 2022
CVE-2021-43568 Open this link in a new tabHow to fix?
Upgrade starkbank_ecdsa
to version 1.0.1 or higher.
Overview
Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature due to improper implementation of the verify
function which fails to check that the signature is non-zero, potentially allowing attackers to forge signatures on arbitrary messages.