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MEDIUM5.9

GHSA-v435-xc8x-wvr9

Bouncy Castle affected by timing side-channel for RSA key exchange ("The Marvin Attack")

Quick fix

GHSA-v435-xc8x-wvr9 — org.bouncycastle:bctls-fips: upgrade to the fixed version with the command below.

# pom.xml: bump <version>1.0.19</version> for org.bouncycastle:bctls-fips

Details

An issue was discovered in Bouncy Castle Java TLS API and JSSE Provider before 1.78. Timing-based leakage may occur in RSA based handshakes because of exception processing.

Are you affected?

Enter the version of the package you're using.

Affected packages

Maven/org.bouncycastle:bctls-fips
Introduced in: 0Fixed in: 1.0.19
Fix# pom.xml: bump <version>1.0.19</version> for org.bouncycastle:bctls-fips
Maven/org.bouncycastle:bcprov-jdk18on
Introduced in: 0Fixed in: 1.78
Fix# pom.xml: bump <version>1.78</version> for org.bouncycastle:bcprov-jdk18on
Maven/org.bouncycastle:bcprov-jdk15on
Introduced in: 0Fixed in: 1.78
Fix# pom.xml: bump <version>1.78</version> for org.bouncycastle:bcprov-jdk15on
Maven/org.bouncycastle:bcprov-jdk15to18
Introduced in: 0Fixed in: 1.78
Fix# pom.xml: bump <version>1.78</version> for org.bouncycastle:bcprov-jdk15to18
Maven/org.bouncycastle:bcprov-jdk14
Introduced in: 0Fixed in: 1.78
Fix# pom.xml: bump <version>1.78</version> for org.bouncycastle:bcprov-jdk14
Maven/org.bouncycastle:bctls-jdk18on
Introduced in: 0Fixed in: 1.78
Fix# pom.xml: bump <version>1.78</version> for org.bouncycastle:bctls-jdk18on
Maven/org.bouncycastle:bctls-jdk14
Introduced in: 0Fixed in: 1.78
Fix# pom.xml: bump <version>1.78</version> for org.bouncycastle:bctls-jdk14
Maven/org.bouncycastle:bctls-jdk15to18
Introduced in: 0Fixed in: 1.78
Fix# pom.xml: bump <version>1.78</version> for org.bouncycastle:bctls-jdk15to18
NuGet/BouncyCastle
Introduced in: 0

No fixed version published yet for BouncyCastle (nuget). Pin to a known-safe version or switch to an alternative.

NuGet/BouncyCastle.Cryptography
Introduced in: 0Fixed in: 2.3.1
Fixdotnet add package BouncyCastle.Cryptography --version 2.3.1

References