CVE-2023-24329

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
python2.7	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	23.04 lunar	Not in release
	22.10 kinetic	Ignored end of life, was needed
	22.04 LTS jammy	Vulnerable
	20.04 LTS focal	Vulnerable
	18.04 LTS bionic	Vulnerable
	16.04 LTS xenial	Fixed 2.7.12-1ubuntu0~16.04.18+esm5 Ubuntu Pro
	14.04 LTS trusty	Fixed 2.7.6-8ubuntu0.6+esm15 Ubuntu Pro
python3.10	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	23.10 mantic	Not in release
	23.04 lunar	Not in release
	22.10 kinetic	Fixed 3.10.7-1ubuntu0.4
	22.04 LTS jammy	Fixed 3.10.6-1~22.04.2ubuntu1.1
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
python3.11	24.10 oracular	Not in release
	24.04 LTS noble	Not in release
	23.10 mantic	Not affected
	23.04 lunar	Not affected
	22.10 kinetic	Ignored end of life, was needed
	22.04 LTS jammy	Vulnerable
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
python3.4	22.10 kinetic	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Ignored end of ESM support, was needed
python3.5	22.10 kinetic	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Fixed 3.5.2-2ubuntu0~16.04.13+esm8 Ubuntu Pro
	14.04 LTS trusty	Fixed 3.5.2-2ubuntu0~16.04.4~14.04.1+esm1 Ubuntu Pro
python3.6	22.10 kinetic	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Fixed 3.6.9-1~18.04ubuntu1.13
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
python3.7	22.10 kinetic	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Fixed 3.7.5-2ubuntu1~18.04.2+esm3 Ubuntu Pro
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
python3.8	22.10 kinetic	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Fixed 3.8.10-0ubuntu1~20.04.8
	18.04 LTS bionic	Fixed 3.8.0-3ubuntu1~18.04.2+esm2 Ubuntu Pro
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
python3.9	22.10 kinetic	Not in release
	22.04 LTS jammy	Not in release
	20.04 LTS focal	Fixed 3.9.5-3ubuntu0~20.04.1+esm1 Ubuntu Pro
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro

Notes

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.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
python3.11	Upstream: 72d356e

Severity score breakdown

Parameter	Value
Base score	7.5 · High
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

References

Related Ubuntu Security Notices (USN)

USN-5888-1
Python vulnerabilities
27 February 2023

USN-5960-1
Python vulnerability
16 March 2023

USN-6139-1
Python vulnerability
5 June 2023

USN-6891-1
Python vulnerabilities
11 July 2024