URL Parsing Vulnerability in Python's urllib.parse Component
CVE-2023-24329

7.5HIGH

Key Information:

Vendor
Python
Status
Python
Vendor
CVE Published:
17 February 2023

Badges

👾 Exploit Exists

Summary

A vulnerability exists in the urllib.parse component of Python, allowing attackers to bypass blocklisting methods through URLs that start with blank characters. This loophole can lead to unintended behavior in applications relying on secure URL parsing. Developers are urged to upgrade to Python version 3.11.4 or later to mitigate this vulnerability and ensure safe URL handling in their applications.

References

https://pointernull.com/security/python-url-parse-problem...
https://github.com/python/cpython/pull/99421
https://security.netapp.com/advisory/ntap-20230324-0004/

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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