StripComments filter contains a regular expression that is vulnerable to ReDOS (Regular Expression Denial of Service)
The formatter function that strips comments from a SQL contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service). The regular expression may cause exponential backtracking on strings containing many repetitions of '\r\n' in SQL comments.
WS-2021-0369 - High Severity Vulnerability
A non-validating SQL parser.
Library home page: https://files.pythonhosted.org/packages/65/85/20bdd72f4537cf2c4d5d005368d502b2f464ede22982e724a82c86268eda/sqlparse-0.2.4-py2.py3-none-any.whl
Path to dependency file: /requirements.txt
Path to vulnerable library: /requirements.txt
Dependency Hierarchy: - :x: **sqlparse-0.2.4-py2.py3-none-any.whl** (Vulnerable Library)
Found in HEAD commit: 7e49f2cde2297de37b4f42690262790abdd3459d
Found in base branch: master
StripComments filter contains a regular expression that is vulnerable to ReDOS (Regular Expression Denial of Service) The formatter function that strips comments from a SQL contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service). The regular expression may cause exponential backtracking on strings containing many repetitions of '\r\n' in SQL comments.
Publish Date: 2021-09-10
URL: WS-2021-0369
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.Type: Upgrade version
Origin: https://github.com/advisories/GHSA-p5w8-wqhj-9hhf
Release Date: 2021-09-10
Fix Resolution: 0.4.2
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