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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No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| python-ecdsa_project | python-ecdsa | 0.13.3 | - |
| redhat | ceph_storage | - | - |
| redhat | ceph_storage |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
8
Affected Products
8
References
python-ecdsa_project / python-ecdsa
| - |
| - |
| redhat | openstack | - | - |
| redhat | openstack | - | - |
| redhat | openstack | - | - |
| redhat | openstack | - | - |
| redhat | virtualization | - | - |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Exploitability
Impact