CVE-2021-27921 (High) detected in Pillow-5.4.1-cp27-cp27mu-manylinux1_x86_64.whl, Pillow-6.0.0-cp27-cp27mu-manylinux1_x86_64.whl

[mend-bolt-for-github[bot]]

CVE-2021-27921 - High Severity Vulnerability

Vulnerable Libraries - Pillow-5.4.1-cp27-cp27mu-manylinux1_x86_64.whl, Pillow-6.0.0-cp27-cp27mu-manylinux1_x86_64.whl

Pillow-5.4.1-cp27-cp27mu-manylinux1_x86_64.whl

Python Imaging Library (Fork)

Library home page: https://files.pythonhosted.org/packages/0d/f3/421598450cb9503f4565d936860763b5af413a61009d87a5ab1e34139672/Pillow-5.4.1-cp27-cp27mu-manylinux1_x86_64.whl

Dependency Hierarchy: - :x: **Pillow-5.4.1-cp27-cp27mu-manylinux1_x86_64.whl** (Vulnerable Library)

Pillow-6.0.0-cp27-cp27mu-manylinux1_x86_64.whl

Python Imaging Library (Fork)

Library home page: https://files.pythonhosted.org/packages/b6/4b/5adc1109908266554fb978154c797c7d71aba43dd15508d8c1565648f6bc/Pillow-6.0.0-cp27-cp27mu-manylinux1_x86_64.whl

Dependency Hierarchy: - :x: **Pillow-6.0.0-cp27-cp27mu-manylinux1_x86_64.whl** (Vulnerable Library)

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

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