CVE-2024-0450: Quoted zip-bomb protection for zipfile

6.2 CVSS

Description

An issue was found in the CPython `zipfile` module affecting versions 3.12.1, 3.11.7, 3.10.13, 3.9.18, and 3.8.18 and prior.

The zipfile module is vulnerable to “quoted-overlap” zip-bombs which exploit the zip format to create a zip-bomb with a high compression ratio. The fixed versions of CPython makes the zipfile module reject zip archives which overlap entries in the archive.

Classification

CVE ID: CVE-2024-0450

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.2

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types

CWE-405

Affected Products

Vendor: Python Software Foundation

Product: CPython

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.15% (probability of being exploited)

EPSS Percentile: 36.67% (scored less or equal to compared to others)

EPSS Date: 2025-04-20 (when was this score calculated)

Stakeholder-Specific Vulnerability Categorization (SSVC)

SSVC Exploitation: poc

SSVC Technical Impact: partial

SSVC Automatable: false

References

https://nvd.nist.gov/vuln/detail/CVE-2024-0450
https://github.com/python/cpython/commit/66363b9a7b9fe7c99eba3a185b74c5fdbf842eba
https://github.com/python/cpython/commit/fa181fcf2156f703347b03a3b1966ce47be8ab3b
https://github.com/python/cpython/commit/a956e510f6336d5ae111ba429a61c3ade30a7549
https://github.com/python/cpython/commit/30fe5d853b56138dbec62432d370a1f99409fc85
https://github.com/python/cpython/commit/a2c59992e9e8d35baba9695eb186ad6c6ff85c51
https://github.com/python/cpython/commit/d05bac0b74153beb541b88b4fca33bf053990183
https://github.com/python/cpython/issues/109858
https://www.bamsoftware.com/hacks/zipbomb/
https://mail.python.org/archives/list/[email protected]/thread/XELNUX2L3IOHBTFU7RQHCY6OUVEWZ2FG/
https://lists.debian.org/debian-lts-announce/2024/03/msg00024.html
https://lists.debian.org/debian-lts-announce/2024/03/msg00025.html
http://www.openwall.com/lists/oss-security/2024/03/20/5
https://github.com/python/cpython/commit/70497218351ba44bffc8b571201ecb5652d84675
https://lists.fedoraproject.org/archives/list/[email protected]/message/T3IGRX54M7RNCQOXVQO5KQKTGWCOABIM/
https://lists.fedoraproject.org/archives/list/[email protected]/message/U5VHWS52HGD743C47UMCSAK2A773M2YE/

Timeline