CVE-2017-18640 (High) detected in snakeyaml-1.21.jar

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CVE-2017-18640 - High Severity Vulnerability

Vulnerable Library - snakeyaml-1.21.jar

YAML 1.1 parser and emitter for Java

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

Path to dependency file: /Source/bw6-maven-plugin/pom.xml

Path to vulnerable library: /tory/org/yaml/snakeyaml/1.21/snakeyaml-1.21.jar

Dependency Hierarchy:

• :x: snakeyaml-1.21.jar (Vulnerable Library)

Found in HEAD commit: 4d279939679b1227e061ae92cc6c0d7c9250eb08

Found in base branch: master

Vulnerability Details

The Alias feature in SnakeYAML before 1.26 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.

Suggested Fix

Type: Upgrade version

Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18640

Release Date: 2019-12-12

Fix Resolution: 1.26

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