CVE-2019-14859
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:NAvailabilityNone
Weaknesses
Affected Products
Novell Inc.
commercial·US
Red Hat
commercial·USaka redhat
АО «Концерн ВНИИНС»
commercial·RUaka ao konsern vniins
python-ecdsa project
oss-project
PyPI
package-ecosystem
and 2 more affected products View all →
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
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MITRE ATT&CK
1 technique Collection
References
https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3
github.com
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14859
bugzilla.redhat.com
https://pypi.org/project/ecdsa/0.13.3/
pypi.org
and 18 more references View all →
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