CVE-2019-14859
Summary
| CVE | CVE-2019-14859 |
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| State | PUBLIC |
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| Assigner | [email protected] |
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| Source Priority | CVE Program / NVD first with legacy fallback |
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| Published | 2020-01-02 15:15:00 UTC |
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| Updated | 2021-08-04 17:15:00 UTC |
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| Description | A flaw was found in all python-ecdsa versions before 0.13.3, where it did not correctly verify whether signatures used DER encoding. Without this verification, a malformed signature could be accepted, making the signature malleable. Without proper verification, an attacker could use a malleable signature to create false transactions. |
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NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|
| Release ecdsa 0.13.3 · warner/python-ecdsa · GitHub |
MISC |
github.com |
Release Notes, Third Party Advisory |
| 1760843 – (CVE-2019-14859) CVE-2019-14859 python-ecdsa: DER encoding is not being verified in signatures |
CONFIRM |
bugzilla.redhat.com |
Exploit, Issue Tracking, Patch, Third Party Advisory |
| ecdsa · PyPI |
MISC |
pypi.org |
Release Notes, Third Party Advisory |
| Inconsistent handling of malformed DER signatures · Issue #114 · warner/python-ecdsa · GitHub |
MISC |
github.com |
Exploit, Third Party Advisory |
| CVE Program record |
CVE.ORG |
www.cve.org |
canonical |
| NVD vulnerability detail |
NVD |
nvd.nist.gov |
canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 239895 Red Hat Update for Satellite 6.10 (RHSA-2021:4702)
- 355760 Amazon Linux Security Advisory for python-ecdsa : ALAS-2023-1800
- 501363 Alpine Linux Security Update for py3-ecdsa
- 505306 Alpine Linux Security Update for py3-ecdsa
- 670670 EulerOS Security Update for python-ecdsa (EulerOS-SA-2021-2429)
- 690472 Free Berkeley Software Distribution (FreeBSD) Security Update for security/py-ecdsa (a23ebf36-e8b6-4665-b0f3-4c977f9a145c)
- 981345 Python (pip) Security Update for ecdsa (GHSA-8qxj-f9rh-9fg2)
