CVE-2022-1471 (Critical) detected in snakeyaml-1.18.jar

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CVE-2022-1471 - Critical Severity Vulnerability

Vulnerable Library - snakeyaml-1.18.jar

YAML 1.1 parser and emitter for Java

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

Path to dependency file: /pom.xml

Path to vulnerable library: /home/wss-scanner/.m2/repository/org/yaml/snakeyaml/1.18/snakeyaml-1.18.jar,/home/wss-scanner/.m2/repository/org/yaml/snakeyaml/1.18/snakeyaml-1.18.jar

Dependency Hierarchy:

• swagger-core-1.5.21.jar (Root Library)
  • jackson-dataformat-yaml-2.9.5.jar
    • ❌ snakeyaml-1.18.jar (Vulnerable Library)

Found in HEAD commit: 9f26f497b26e4c9500e5ea2d717d2c01e05b5d7b

Found in base branch: master

Vulnerability Details

SnakeYaml's Constructor() class does not restrict types which can be instantiated during deserialization. Deserializing yaml content provided by an attacker can lead to remote code execution. We recommend using SnakeYaml's SafeConsturctor when parsing untrusted content to restrict deserialization. We recommend upgrading to version 2.0 and beyond.

Publish Date: 2022-12-01

URL: CVE-2022-1471

CVSS 3 Score Details (9.8)

Base Score Metrics:

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://bitbucket.org/snakeyaml/snakeyaml/issues/561/cve-2022-1471-vulnerability-in#comment-64634374

Release Date: 2022-12-01

Fix Resolution (org.yaml:snakeyaml): 2.0

Direct dependency fix Resolution (io.swagger:swagger-core): 1.6.0

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