CVE-2017-18342 (High) detected in PyYAML-3.13.tar.gz

[mend-bolt-for-github]

CVE-2017-18342 - High Severity Vulnerability

Vulnerable Library - PyYAML-3.13.tar.gz

YAML parser and emitter for Python

Library home page: https://files.pythonhosted.org/packages/9e/a3/1d13970c3f36777c583f136c136f804d70f500168edc1edea6daa7200769/PyYAML-3.13.tar.gz

Path to dependency file: /tmp/ws-scm/etcher/requirements.txt

Path to vulnerable library: /tmp/ws-scm/etcher/requirements.txt

Dependency Hierarchy:

• shyaml-0.6.1-py2.py3-none-any.whl (Root Library)
  • ❌ PyYAML-3.13.tar.gz (Vulnerable Library)

Found in HEAD commit: df1eed3bcf0b1c9278756bf40dc757216c5133a5

Vulnerability Details

In PyYAML before 5.1, the yaml.load() API could execute arbitrary code if used with untrusted data. The load() function has been deprecated in version 5.1 and the 'UnsafeLoader' has been introduced for backward compatibility with the function.

Publish Date: 2018-06-27

URL: CVE-2017-18342

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://nvd.nist.gov/vuln/detail/CVE-2017-18342

Release Date: 2018-06-27

Fix Resolution: 4.1

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