CVE-2020-28463 (Medium) detected in reportlab-3.5.42-cp36-cp36m-manylinux2010_x86_64.whl

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CVE-2020-28463 - Medium Severity Vulnerability

Vulnerable Library - reportlab-3.5.42-cp36-cp36m-manylinux2010_x86_64.whl

The Reportlab Toolkit

Library home page: https://files.pythonhosted.org/packages/63/a2/81b959f0d25660dc466bc0fe675c65e331f3264b4e39254a3b277bef2cec/reportlab-3.5.42-cp36-cp36m-manylinux2010_x86_64.whl

Path to dependency file: testplan/requirements.txt

Path to vulnerable library: testplan/requirements.txt,testplan

Dependency Hierarchy:

• ❌ reportlab-3.5.42-cp36-cp36m-manylinux2010_x86_64.whl (Vulnerable Library)

Vulnerability Details

All versions of package reportlab are vulnerable to Server-side Request Forgery (SSRF) via img tags. In order to reduce risk, use trustedSchemes & trustedHosts (see in Reportlab's documentation) Steps to reproduce by Karan Bamal: 1. Download and install the latest package of reportlab 2. Go to demos -> odyssey -> dodyssey 3. In the text file odyssey.txt that needs to be converted to pdf inject 4. Create a nc listener nc -lp 5000 5. Run python3 dodyssey.py 6. You will get a hit on your nc showing we have successfully proceded to send a server side request 7. dodyssey.py will show error since there is no img file on the url, but we are able to do SSRF

Publish Date: 2021-02-18

URL: CVE-2020-28463

CVSS 3 Score Details (6.5)

Base Score Metrics:

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

For more information on CVSS3 Scores, click here.