CVE-2019-14859
Last modified
CVE-2019-14859 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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. EPSS estimates a 1.60% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Python-Ecdsa Project | Python-Ecdsa | < 0.13.3 |
| Redhat | Ceph Storage | 2.0 |
| Redhat | Ceph Storage | 3.0 |
| Redhat | Openstack | 10 |
| Redhat | Openstack | 13 |
| Redhat | Openstack | 14 |
| Redhat | Openstack | 15 |
| Redhat | Virtualization | 4.0 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14859Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/warner/python-ecdsa/issues/114Exploit, Third Party Advisory
- https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3Release Notes, Third Party Advisory
- https://pypi.org/project/ecdsa/0.13.3/Release Notes, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14859Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/warner/python-ecdsa/issues/114Exploit, Third Party Advisory
- https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3Release Notes, Third Party Advisory
- https://pypi.org/project/ecdsa/0.13.3/Release Notes, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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