Headline
Ubuntu Security Notice USN-5821-3
Ubuntu Security Notice 5821-3 - USN-5821-1 fixed a vulnerability in wheel and pip. Unfortunately, it was missing a commit to fix it properly in pip. Sebastian Chnelik discovered that wheel incorrectly handled certain file names when validated against a regex expression. An attacker could possibly use this issue to cause a denial of service.
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Ubuntu Security Notice USN-5821-3
February 28, 2023
python-pip regression
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Summary:
USN-5821-1 caused a regression in pip.
Software Description:
- python-pip: Python package installer
Details:
USN-5821-1 fixed a vulnerability in wheel and pip. Unfortunately,
it was missing a commit to fix it properly in pip.
We apologize for the inconvenience.
Original advisory details:
Sebastian Chnelik discovered that wheel incorrectly handled
certain file names when validated against a regex expression.
An attacker could possibly use this issue to cause a
denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 22.10:
python3-pip 22.2+dfsg-1ubuntu0.2
python3-pip-whl 22.2+dfsg-1ubuntu0.2
Ubuntu 22.04 LTS:
python3-pip 22.0.2+dfsg-1ubuntu0.2
python3-pip-whl 22.0.2+dfsg-1ubuntu0.2
Ubuntu 20.04 LTS:
python-pip-whl 20.0.2-5ubuntu1.8
python3-pip 20.0.2-5ubuntu1.8
Ubuntu 18.04 LTS:
python-pip 9.0.1-2.3~ubuntu1.18.04.7
python-pip-whl 9.0.1-2.3~ubuntu1.18.04.7
python3-pip 9.0.1-2.3~ubuntu1.18.04.7
Ubuntu 16.04 ESM:
python-pip 8.1.1-2ubuntu0.6+esm4
python-pip-whl 8.1.1-2ubuntu0.6+esm4
python3-pip 8.1.1-2ubuntu0.6+esm4
Ubuntu 14.04 ESM:
python-pip 1.5.4-1ubuntu4+esm3
python-pip-whl 1.5.4-1ubuntu4+esm3
python3-pip 1.5.4-1ubuntu4+esm3
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5821-3
https://ubuntu.com/security/notices/USN-5821-1
CVE-2022-40898
Package Information:
https://launchpad.net/ubuntu/+source/python-pip/22.2+dfsg-1ubuntu0.2
https://launchpad.net/ubuntu/+source/python-pip/22.0.2+dfsg-1ubuntu0.2
https://launchpad.net/ubuntu/+source/python-pip/20.0.2-5ubuntu1.8
https://launchpad.net/ubuntu/+source/python-pip/9.0.1-2.3~ubuntu1.18.04.7
Related news
Ubuntu Security Notice 5821-1 - Sebastian Chnelik discovered that wheel incorrectly handled certain file names when validated against a regex expression. An attacker could possibly use this issue to cause a denial of service.
Python Packaging Authority (PyPA) Wheel is a reference implementation of the Python wheel packaging standard. Wheel 0.37.1 and earlier are vulnerable to a Regular Expression denial of service via attacker controlled input to the wheel cli. The vulnerable regex is used to verify the validity of Wheel file names. This has been patched in version 0.38.1.
An issue discovered in Python Packaging Authority (PyPA) Wheel 0.37.1 and earlier allows remote attackers to cause a denial of service via attacker controlled input to wheel cli.