CVE-2023-24329 — Improper Input Validation in Python

CWE-20 — Improper Input Validation22 documents12 sources
Severity
7.5HIGHNVD
OSV7.6
EPSS
1.4%
top 19.22%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
14
PythonDebian Pypy3Debian Python2.7+11 more
Timeline
PublishedFeb 17
Latest updateDec 25

Description

An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages13 packages

▶NVDpython/python3.8.0 — 3.8.17+4
▶debiandebian/python2.7< pypy3 7.3.11+dfsg-2+deb12u2 (bookworm)
▶debiandebian/python3.9< pypy3 7.3.11+dfsg-2+deb12u2 (bookworm)
▶debiandebian/python3.11< pypy3 7.3.11+dfsg-2+deb12u2 (bookworm)

Also affects: Fedora 36, 37, 38

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

6
OSV
python2.7 vulnerabilities↗2025-01-06
▶
OSV
python3.5, python3.6, python3.7, python3.8, python3.9, python3.10, python3.11, python3.12 vulnerabilities↗2024-07-11
▶
OSV
python2.7, python3.10, python3.11, python3.5, python3.6, python3.8 vulnerability↗2023-06-05
▶
OSV
python3.9 vulnerabilities↗2023-02-27
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OSV
CVE-2023-24329: An issue in the urllib↗2023-02-17
▶

📋Vendor Advisories

12
CISA ICS
ABB M2M Gateway↗2025-04-15
▶
Ubuntu
Python vulnerabilities↗2025-01-06
▶
Palo Alto
PAN-SA-2024-0012 Informational Bulletin: OSS CVEs fixed in PAN-OS↗2024-10-29
▶
Ubuntu
Python vulnerabilities↗2024-07-11
▶
Oracle
Oracle Oracle Communications Risk Matrix: Install/Upgrade (JetBrains Kotlin) — CVE-2022-24329↗2023-10-15
▶

📄Research Papers

2
arXiv
Anota: Identifying Business Logic Vulnerabilities via Annotation-Based Sanitization↗2025-12-25
▶
arXiv
Boosting Cybersecurity Vulnerability Scanning based on LLM-supported Static Application Security Testing↗2024-11-22
▶

💬Community

1
HackerOne
Incorrect Type Conversion in interpreting IPv4-mapped IPv6 addresses and below `curl` results in indeterminate SSRF vulnerabilities.↗2024-05-08
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