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FreeBSD: VID-89D5BCA6-0150-11EC-BF0C-080027EEDC6A (CVE-2020-15522): The Bouncy Castle Crypto APIs -- EC math vulnerability

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FreeBSD: VID-89D5BCA6-0150-11EC-BF0C-080027EEDC6A (CVE-2020-15522): The Bouncy Castle Crypto APIs -- EC math vulnerability

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
07/04/2020
Created
11/08/2022
Added
11/04/2022
Modified
11/04/2022

Description

Bouncy Castle BC Java before 1.66, BC C# .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library that can expose information about the private key when an attacker is able to observe timing information for the generation of multiple deterministic ECDSA signatures.

Solution(s)

  • freebsd-upgrade-package-bouncycastle
  • freebsd-upgrade-package-bouncycastle15

References

  • CVE-2020-15522

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