Vulnerabilities
Misconfiguration
Runtime Security
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CVE Vulnerabilities

CVE-2021-43570

Improper Verification of Cryptographic Signature

Published: Nov 09, 2021 | Modified: Nov 12, 2021
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-43570
CWEhttps://cwe.mitre.org/data/definitions/347.html

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.

Weakness

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

Affected Software

Name Vendor Start Version End Version
Ecdsa-java Starkbank 1.0.0 (including) 1.0.0 (including)

References

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