CRLF Injection Vulnerability in urllib3 Library for Python
CVE-2019-11236

6.1MEDIUM

Key Information:

Vendor
Python
Status
Urllib3
Vendor
CVE Published:
15 April 2019

Summary

The urllib3 library for Python, prior to version 1.24.2, contains a vulnerability that allows for CRLF injection. If an attacker is able to control the parameters in a request, they can inject CRLF sequences, which can lead to HTTP response splitting. This may enable the attacker to manipulate responses sent to clients, potentially allowing for phishing attacks or cookie theft. It is crucial for developers and organizations using urllib3 to update to the latest version to mitigate these risks.

References

https://github.com/urllib3/urllib3/issues/1553
x_refsource_MISC
https://usn.ubuntu.com/3990-1/
vendor-advisoryx_refsource_UBUNTU
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisoryx_refsource_FEDORA

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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