CVE-2020-15522 (Medium) detected in bcprov-jdk15on-1.56.jar
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CVE-2020-15522 - Medium Severity Vulnerability
Vulnerable Library - bcprov-jdk15on-1.56.jar
The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
Library home page: http://www.bouncycastle.org/java.html
Path to dependency file: /build.gradle
Path to vulnerable library: /home/wss-scanner/.gradle/caches/modules-2/files-2.1/org.bouncycastle/bcprov-jdk15on/1.56/a153c6f9744a3e9dd6feab5e210e1c9861362ec7/bcprov-jdk15on-1.56.jar
Dependency Hierarchy:
- apkanalyzer-27.1.1.jar (Root Library)
- sdk-common-27.1.1.jar
- ❌ bcprov-jdk15on-1.56.jar (Vulnerable Library)
- sdk-common-27.1.1.jar
Found in base branch: main
Vulnerability Details
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.
Publish Date: 2021-05-20
URL: CVE-2020-15522
CVSS 3 Score Details (5.9)
Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: High
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Impact Metrics:
- Confidentiality Impact: High
- Integrity Impact: None
- Availability Impact: None
Suggested Fix
Type: Upgrade version
Origin: https://github.com/bcgit/bc-java/wiki/CVE-2020-15522
Release Date: 2021-05-20
Fix Resolution: org.bouncycastle:bc-fips:1.0.2.1;org.bouncycastle:bc-fips-debug:1.0.2.1;org.bouncycastle:bcprov-ext-jdk14:1.66;org.bouncycastle:bcprov-ext-jdk15on:1.66;org.bouncycastle:bcprov-jdk14:1.66;org.bouncycastle:bcprov-jdk15on:1.66;BouncyCastle - 1.8.9;Portable.BouncyCastle - 1.8.8
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