CVE-2020-15522 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

https://github.com/bcgit/bc-csharp/wiki/CVE-2020-15522 https://www.bouncycastle.org/releasenotes.html https://github.com/bcgit/bc-java/wiki/CVE-2020-15522 https://security.netapp.com/advisory/ntap-20210622-0007/

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.9