CVE-2020-36242 (Critical) detected in cryptography-2.6.1-cp27-cp27mu-manylinux1_x86_64.whl

[mend-bolt-for-github]

CVE-2020-36242 - Critical Severity Vulnerability

Vulnerable Library - cryptography-2.6.1-cp27-cp27mu-manylinux1_x86_64.whl

cryptography is a package which provides cryptographic recipes and primitives to Python developers.

Library home page: https://files.pythonhosted.org/packages/c3/c1/cf8665c955c9393e9ff0872ba6cd3dc6f46ef915e94afcf6e0410508ca69/cryptography-2.6.1-cp27-cp27mu-manylinux1_x86_64.whl

Path to dependency file: /encryption-on-the-fly/requirements.txt

Path to vulnerable library: /teSource-ArchiveExtractor_747dfafb-5007-43bc-af58-18b19f548702/20190702203809_87843/20190702203750_depth_0/cryptography-2.6.1-cp27-cp27mu-manylinux1_x86_64/cryptography

Dependency Hierarchy:

• ❌ cryptography-2.6.1-cp27-cp27mu-manylinux1_x86_64.whl (Vulnerable Library)

Found in base branch: master

Vulnerability Details

In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could result in an integer overflow and buffer overflow, as demonstrated by the Fernet class.

Publish Date: 2021-02-07

URL: CVE-2020-36242

CVSS 3 Score Details (9.1)

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: None
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Release Date: 2021-02-07

Fix Resolution: 3.3.2

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