CVE-2020-15522

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in nuget/BouncyCastle

Identifiers

GHSA-6xx3-rg99-gc3p, CVE-2020-15522

Package Slug

nuget/BouncyCastle

Vulnerability

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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.

Affected Versions

All versions before 1.8.7

Solution

Upgrade to version 1.8.7 or above.

Last Modified

2023-05-31

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