CVE-2021-43570

Source
https://cve.org/CVERecord?id=CVE-2021-43570
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-43570.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-43570
Aliases
Published
2021-11-09T22:15:07Z
Modified
2026-07-09T05:45:32Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/starkbank/ecdsa-java

Affected ranges

Type
GIT
Repo
https://github.com/starkbank/ecdsa-java
Events
Database specific
Show details
{
    "cpe": "cpe:2.3:a:starkbank:ecdsa-java:1.0.0:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "1.0.0"
        },
        {
            "last_affected": "1.0.0"
        }
    ],
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ]
}

Affected versions

1.*
1.0.0
v1.*
v1.0.0

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-43570.json"