urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of putrequest(). NOTE: this is similar to CVE-2020-26116.
:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.
CVE-2020-26137 - Medium Severity Vulnerability
Vulnerable Library - urllib3-1.24.1-py2.py3-none-any.whl
HTTP library with thread-safe connection pooling, file post, and more.
Library home page: https://files.pythonhosted.org/packages/62/00/ee1d7de624db8ba7090d1226aebefab96a2c71cd5cfa7629d6ad3f61b79e/urllib3-1.24.1-py2.py3-none-any.whl
Path to dependency file: Python-100-Days/Day61-65/code/hello-tornado/requirements.txt
Path to vulnerable library: /Day61-65/code/hello-tornado/requirements.txt
Dependency Hierarchy: - :x: **urllib3-1.24.1-py2.py3-none-any.whl** (Vulnerable Library)
Found in HEAD commit: 32bcc6dac08aad4e3b49f38aa7e7b7797f640b60
Vulnerability Details
urllib3 before 1.25.9 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of putrequest(). NOTE: this is similar to CVE-2020-26116.
Publish Date: 2020-09-30
URL: CVE-2020-26137
CVSS 3 Score Details (6.5)
Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: Low - Integrity Impact: Low - Availability Impact: None
For more information on CVSS3 Scores, click here.Suggested Fix
Type: Upgrade version
Origin: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26137
Release Date: 2020-09-30
Fix Resolution: 1.25.9
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