CVE-2021-43572

Source
https://nvd.nist.gov/vuln/detail/CVE-2021-43572
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-43572.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-43572
Aliases
Published
2021-11-09T22:15:07Z
Modified
2024-10-12T08:35:42.874647Z
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 Python ECDSA library (aka starkbank-escada or ecdsa-python) before 2.0.1 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-python

Affected ranges

Type
GIT
Repo
https://github.com/starkbank/ecdsa-python
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed

Affected versions

v0.*

v0.1
v0.1.0
v0.1.1
v0.1.2
v0.1.3
v0.1.4
v0.1.7
v0.1.8
v0.1.9

v1.*

v1.0.0
v1.1.0
v1.1.1

v2.*

v2.0.0