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CVE-2020-8908 (Low) detected in guava-20.0.jar

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mend-bolt-for-github commented

CVE-2020-8908 - Low Severity Vulnerability

Vulnerable Library - guava-20.0.jar

Guava is a suite of core and expanded libraries that include utility classes, google's collections, io classes, and much much more. 

Guava has only one code dependency - javax.annotation,
per the JSR-305 spec.</p>

Library home page: https://github.com/google/guava

Path to dependency file: /pom.xml

Path to vulnerable library: /canner/.m2/repository/com/google/guava/guava/20.0/guava-20.0.jar

Dependency Hierarchy:

  • ❌ guava-20.0.jar (Vulnerable Library)

Found in HEAD commit: 7baeabef941f276d373d889506fe0a0cf89f4ee6

Found in base branch: master

Vulnerability Details

A temp directory creation vulnerability exists in all versions of Guava, allowing an attacker with access to the machine to potentially access data in a temporary directory created by the Guava API com.google.common.io.Files.createTempDir(). By default, on unix-like systems, the created directory is world-readable (readable by an attacker with access to the system). The method in question has been marked @deprecated in versions 30.0 and later and should not be used. For Android developers, we recommend choosing a temporary directory API provided by Android, such as context.getCacheDir(). For other Java developers, we recommend migrating to the Java 7 API java.nio.file.Files.createTempDirectory() which explicitly configures permissions of 700, or configuring the Java runtime's java.io.tmpdir system property to point to a location whose permissions are appropriately configured.

Publish Date: 2020-12-10

URL: CVE-2020-8908

CVSS 3 Score Details (3.3)

Base Score Metrics:

  • Exploitability Metrics:
    • Attack Vector: Local
    • Attack Complexity: Low
    • Privileges Required: Low
    • User Interaction: None
    • Scope: Unchanged
  • Impact Metrics:
    • Confidentiality Impact: Low
    • Integrity Impact: None
    • Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8908

Release Date: 2020-12-10

Fix Resolution: 30.0-android

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