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CVE-2023-24329

Published: 17 February 2023

An issue in the urllib.parse component of Python before v3.11 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters.

Notes

AuthorNote
leosilva
there are some discussions around that issue
that raises doubts about if it was properly fixed
or not.
till further investigation it'll be marked as needed again.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
python2.7
Launchpad, Ubuntu, Debian
bionic Needed

focal Needed

jammy Needed

kinetic Needed

trusty Needed

upstream Needs triage

xenial Needed

python3.10
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

kinetic Needed

trusty Does not exist

upstream Needs triage

xenial Does not exist

python3.11
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

kinetic Needed

trusty Does not exist

upstream
Released (3.11.1)
xenial Does not exist

Patches:
upstream: https://github.com/python/cpython/commit/72d356e3584ebfb8e813a8e9f2cd3dccf233c0d9 (v3.11.1)
python3.4
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Needed

upstream Needs triage

xenial Does not exist

python3.5
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Needed

upstream Needs triage

xenial Needed

python3.6
Launchpad, Ubuntu, Debian
bionic Needed

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

python3.7
Launchpad, Ubuntu, Debian
bionic Needed

focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

python3.8
Launchpad, Ubuntu, Debian
bionic Needed

focal Needed

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

python3.9
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N