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CVE-2020-15522GHSA-6XX3-RG99-GC3P

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 wi

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.0.2.1, 1.66, 1.8.7
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • n/a n/a

    Version range not reported

  • org.bouncycastle:bc-fipsMaven

    fixed in 1.0.2.1

  • org.bouncycastle:bcprov-ext-jdk15onMaven

    fixed in 1.66

  • org.bouncycastle:bcprov-ext-jdk16Maven

    fixed in 1.66

  • org.bouncycastle:bcprov-jdk14Maven

    fixed in 1.66

  • org.bouncycastle:bcprov-jdk15Maven

    fixed in 1.66

  • org.bouncycastle:bcprov-jdk15onMaven

    fixed in 1.66

  • org.bouncycastle:bcprov-jdk15to18Maven

    fixed in 1.66

  • org.bouncycastle:bcprov-jdk16Maven

    fixed in 1.66

  • BouncyCastleNuGet

    fixed in 1.8.7

References 4

bouncycastle.org

GitHub · bcgit/bc-java

GitHub · bcgit/bc-csharp

security.netapp.com