CVE-2021-27921 (High) detected in Pillow-6.2.2-cp27-cp27mu-manylinux1_x86_64.whl

[mend-bolt-for-github]

CVE-2021-27921 - High Severity Vulnerability

Vulnerable Library - Pillow-6.2.2-cp27-cp27mu-manylinux1_x86_64.whl

Python Imaging Library (Fork)

Library home page: https://files.pythonhosted.org/packages/12/ad/61f8dfba88c4e56196bf6d056cdbba64dc9c5dfdfbc97d02e6472feed913/Pillow-6.2.2-cp27-cp27mu-manylinux1_x86_64.whl

Path to dependency file: /requirements.txt

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

Dependency Hierarchy:

• sense_hat-2.2.0-py2.py3-none-any.whl (Root Library)
  • ❌ Pillow-6.2.2-cp27-cp27mu-manylinux1_x86_64.whl (Vulnerable Library)

Found in base branch: master

Vulnerability Details

Pillow before 8.1.1 allows attackers to cause a denial of service (memory consumption) because the reported size of a contained image is not properly checked for a BLP container, and thus an attempted memory allocation can be very large.

Publish Date: 2021-03-03

URL: CVE-2021-27921

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://pillow.readthedocs.io/en/stable/releasenotes/8.1.2.html

Release Date: 2021-03-03

Fix Resolution (pillow): 8.1.2

Direct dependency fix Resolution (sense-hat): 2.3.1

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