CVE-2017-18640 (High) detected in snakeyaml-1.23.jar

[mend-bolt-for-github]

CVE-2017-18640 - High Severity Vulnerability

Vulnerable Library - snakeyaml-1.23.jar

YAML 1.1 parser and emitter for Java

Library home page: http://www.snakeyaml.org

Path to dependency file: /tmp/ws-scm/skester/build.gradle

Path to vulnerable library: /root/.gradle/caches/modules-2/files-2.1/org.yaml/snakeyaml/1.23/ec62d74fe50689c28c0ff5b35d3aebcaa8b5be68/snakeyaml-1.23.jar,/root/.gradle/caches/modules-2/files-2.1/org.yaml/snakeyaml/1.23/ec62d74fe50689c28c0ff5b35d3aebcaa8b5be68/snakeyaml-1.23.jar

Dependency Hierarchy:

• Skript-2.3.7.jar (Root Library)
  • wagon-ftp-1.0-alpha-2.jar
    • wagon-ftp-1.0-alpha-2.jar
      • ❌ snakeyaml-1.23.jar (Vulnerable Library)

Found in HEAD commit: e31e0ef035972122f5b797c753e1761750961480

Vulnerability Details

The Alias feature in SnakeYAML 1.18 allows entity expansion during a load operation, a related issue to CVE-2003-1564.

Publish Date: 2019-12-12

URL: CVE-2017-18640

CVSS 3 Score Details (7.5)

Base Score Metrics:

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

For more information on CVSS3 Scores, click here.

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