CVE-2023-24329

2023-02-1700:00:00

ubuntu.com

python

urllib

parse

vulnerability

cve-2023-24329

bypassing

blocklisting

discussions

effectiveness

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

41.7%

JSON

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.

Bugs

<https://github.com/python/cpython/issues/102153>

Notes

Author	Note
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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchpython2.7< anyUNKNOWN
ubuntu20.04noarchpython2.7< anyUNKNOWN
ubuntu22.04noarchpython2.7< anyUNKNOWN
ubuntu14.04noarchpython2.7< 2.7.6-8ubuntu0.6+esm15UNKNOWN
ubuntu16.04noarchpython2.7< 2.7.12-1ubuntu0~16.04.18+esm5UNKNOWN
ubuntu22.04noarchpython3.10< 3.10.6-1~22.04.2ubuntu1.1UNKNOWN
ubuntu22.10noarchpython3.10< 3.10.7-1ubuntu0.4UNKNOWN
ubuntu22.04noarchpython3.11< anyUNKNOWN
ubuntu14.04noarchpython3.4< anyUNKNOWN
ubuntu14.04noarchpython3.5< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	python2.7	< any	UNKNOWN
ubuntu	20.04	noarch	python2.7	< any	UNKNOWN
ubuntu	22.04	noarch	python2.7	< any	UNKNOWN
ubuntu	14.04	noarch	python2.7	< 2.7.6-8ubuntu0.6+esm15	UNKNOWN
ubuntu	16.04	noarch	python2.7	< 2.7.12-1ubuntu0~16.04.18+esm5	UNKNOWN
ubuntu	22.04	noarch	python3.10	< 3.10.6-1~22.04.2ubuntu1.1	UNKNOWN
ubuntu	22.10	noarch	python3.10	< 3.10.7-1ubuntu0.4	UNKNOWN
ubuntu	22.04	noarch	python3.11	< any	UNKNOWN
ubuntu	14.04	noarch	python3.4	< any	UNKNOWN
ubuntu	14.04	noarch	python3.5	< any	UNKNOWN