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Debian: CVE-2019-14859: python-ecdsa -- security update

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Debian: CVE-2019-14859: python-ecdsa -- security update

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
11/01/2019
Created
11/02/2019
Added
11/01/2019
Modified
02/10/2020

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.

Solution(s)

  • debian-upgrade-python-ecdsa

References

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