CVE-2020-27783 (Medium) detected in lxml-4.3.1-cp35-cp35m-manylinux1_x86_64.whl

[mend-bolt-for-github]

CVE-2020-27783 - Medium Severity Vulnerability

Vulnerable Library - lxml-4.3.1-cp35-cp35m-manylinux1_x86_64.whl

Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API.

Library home page: https://files.pythonhosted.org/packages/f4/1c/82d74b4527edca7218cc7d840c8b5e83cb32eacc194e7425fc2f346d4d76/lxml-4.3.1-cp35-cp35m-manylinux1_x86_64.whl

Dependency Hierarchy:

• ❌ lxml-4.3.1-cp35-cp35m-manylinux1_x86_64.whl (Vulnerable Library)

Found in base branch: master

Vulnerability Details

A XSS vulnerability was discovered in python-lxml's clean module. The module's parser didn't properly imitate browsers, which caused different behaviors between the sanitizer and the user's page. A remote attacker could exploit this flaw to run arbitrary HTML/JS code.

Publish Date: 2020-12-03

URL: CVE-2020-27783

CVSS 3 Score Details (6.1)

Base Score Metrics:

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

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://bugzilla.redhat.com/show_bug.cgi?id=1901633

Release Date: 2020-12-03

Fix Resolution: 4.6.1

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