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SUSE: CVE-2019-14859: SUSE Linux Security Advisory

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SUSE: CVE-2019-14859: SUSE Linux Security Advisory

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:N)
Published
11/04/2019
Created
11/14/2019
Added
11/12/2019
Modified
02/04/2022

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)

  • suse-upgrade-python-ecdsa
  • suse-upgrade-python2-ecdsa
  • suse-upgrade-python3-ecdsa

References

  • SUSE-SU-2019:2891-1
  • SUSE-SU-2019:2891-2
  • SUSE-SU-2019:3024-1
  • CVE-2019-14859
  • USN-4196-1

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