An issue was discovered in Pillow before 8.2.0. For BLP data, BlpImagePlugin did not properly check that reads (after jumping to file offsets) returned data. This could lead to a DoS where the decoder could be run a large number of times on empty data.
CVE-2021-28678 - Medium Severity Vulnerability
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,/backend/requirements.txt
Dependency Hierarchy: - streamlit-0.55.2-py2.py3-none-any.whl (Root Library) - :x: **Pillow-6.2.2-cp27-cp27mu-manylinux1_x86_64.whl** (Vulnerable Library)
Found in base branch: main
An issue was discovered in Pillow before 8.2.0. For BLP data, BlpImagePlugin did not properly check that reads (after jumping to file offsets) returned data. This could lead to a DoS where the decoder could be run a large number of times on empty data.
Publish Date: 2021-06-02
URL: CVE-2021-28678
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: None - User Interaction: Required - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High
For more information on CVSS3 Scores, click here.Type: Upgrade version
Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28678
Release Date: 2021-06-02
Fix Resolution (pillow): 8.3.0
Direct dependency fix Resolution (streamlit): 0.56.0
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