PyPI/fastecdsa CVE-2020-12607: unknown, EPSS 1.31%
An issue was discovered in fastecdsa before 2.1.2. When using the NIST P-256 curve in the ECDSA implementation, the point at infinity is mishandled. This means that for an extreme value in k and s^-1,
Action: Upgrade fastecdsa to 2.1.2 or later.
pip install fastecdsa==2.1.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.1.2 | - |
Fixed versions
| 2.1.2 |
Sources
- osv: PYSEC-2020-42
- https://github.com/AntonKueltz/fastecdsa/commit/4a16daeaf139be20654ef58a9fe4c79dc030458c
- https://github.com/AntonKueltz/fastecdsa/commit/7b64e3efaa806b4daaf73bb5172af3581812f8de
- https://github.com/AntonKueltz/fastecdsa/issues/52
- https://github.com/AntonKueltz/fastecdsa/commit/e592f106edd5acf6dacedfab2ad16fe6c735c9d1
- https://github.com/advisories/GHSA-56wv-2wr9-3h9r
CVE-2020-12607 · published · modified · JSON