Versions of the package black before 24.3.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the lines_with_leading_tabs_expanded function in the strings.py file. An attacker could exploit this vulnerability by crafting a malicious input that causes a denial of service.
Exploiting this vulnerability is possible when running Black on untrusted input, or if you habitually put thousands of leading tab characters in your docstrings.
Vulnerable Library - black-23.3.0-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
The uncompromising code formatter.
Library home page: https://files.pythonhosted.org/packages/49/36/15d2122f90ff1cd70f06892ebda777b650218cf84b56b5916a993dc1359a/black-23.3.0-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
Path to dependency file: /dev_requirements.txt
Path to vulnerable library: /dev_requirements.txt
Vulnerabilities
**In some cases, Remediation PR cannot be created automatically for a vulnerability despite the availability of remediation
Details
CVE-2024-21503
### Vulnerable Library - black-23.3.0-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whlThe uncompromising code formatter.
Library home page: https://files.pythonhosted.org/packages/49/36/15d2122f90ff1cd70f06892ebda777b650218cf84b56b5916a993dc1359a/black-23.3.0-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
Path to dependency file: /dev_requirements.txt
Path to vulnerable library: /dev_requirements.txt
Dependency Hierarchy: - :x: **black-23.3.0-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl** (Vulnerable Library)
Found in base branch: main
### Vulnerability DetailsVersions of the package black before 24.3.0 are vulnerable to Regular Expression Denial of Service (ReDoS) via the lines_with_leading_tabs_expanded function in the strings.py file. An attacker could exploit this vulnerability by crafting a malicious input that causes a denial of service. Exploiting this vulnerability is possible when running Black on untrusted input, or if you habitually put thousands of leading tab characters in your docstrings.
Publish Date: 2024-03-19
URL: CVE-2024-21503
### Threat AssessmentExploit Maturity: Proof of concept
EPSS: 0.0%
### CVSS 3 Score Details (5.3)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: Low
For more information on CVSS3 Scores, click here. ### Suggested FixType: Upgrade version
Origin: https://github.com/advisories/GHSA-fj7x-q9j7-g6q6
Release Date: 2024-03-19
Fix Resolution: 24.3.0
:rescue_worker_helmet: Automatic Remediation will be attempted for this issue.:rescue_worker_helmet:Automatic Remediation will be attempted for this issue.