USN-5342-1: Python vulnerabilities
28 March 2022
Several security issues were fixed in Python.
Releases
Packages
- python2.7 - An interactive high-level object-oriented language
- python3.4 - An interactive high-level object-oriented language
- python3.5 - An interactive high-level object-oriented language
- python3.6 - An interactive high-level object-oriented language
- python3.8 - An interactive high-level object-oriented language
Details
David Schwörer discovered that Python incorrectly handled certain inputs.
An attacker could possibly use this issue to expose sensitive information.
This issue only affected Ubuntu 18.04 LTS. (CVE-2021-3426)
It was discovered that Python incorrectly handled certain FTP requests.
An attacker could possibly use this issue to expose sensitive information.
This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, and Ubuntu 18.04 LTS.
(CVE-2021-4189)
It was discovered that Python incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2022-0391)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04
Ubuntu 18.04
-
python2.7
-
2.7.17-1~18.04ubuntu1.7
-
python3.6-minimal
-
3.6.9-1~18.04ubuntu1.7
-
python3.6
-
3.6.9-1~18.04ubuntu1.7
-
python2.7-minimal
-
2.7.17-1~18.04ubuntu1.7
Ubuntu 16.04
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python2.7
-
2.7.12-1ubuntu0~16.04.18+esm1
Available with Ubuntu Pro
-
python3.5
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3.5.2-2ubuntu0~16.04.13+esm2
Available with Ubuntu Pro
-
python2.7-minimal
-
2.7.12-1ubuntu0~16.04.18+esm1
Available with Ubuntu Pro
-
python3.5-minimal
-
3.5.2-2ubuntu0~16.04.13+esm2
Available with Ubuntu Pro
Ubuntu 14.04
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python3.4-minimal
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3.4.3-1ubuntu1~14.04.7+esm12
Available with Ubuntu Pro
-
python3.4
-
3.4.3-1ubuntu1~14.04.7+esm12
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-5342-2: python2.7-doc, libpython2.7-stdlib, python2.7, libpython2.7, python2.7-examples, python2.7-dev, python2.7-minimal, idle-python2.7, libpython2.7-minimal, libpython2.7-dev, libpython2.7-testsuite
- USN-6891-1: python3.12-full, python3.6, libpython3.12-minimal, python3.12, libpython3.7-stdlib, python3.11-doc, libpython3.5, python3.8, python3.10-dev, python3.8-minimal, python3.5-minimal, libpython3.10, python3.10-examples, libpython3.9-dev, python3.10-minimal, libpython3.12, python3.9-examples, idle-python3.9, python3.6-dev, libpython3.12-testsuite, python3.8-examples, libpython3.5-dev, python3.7, idle-python3.5, python3.9-minimal, python3.7-venv, python3.12-nopie, python3.11-examples, python3.11-full, libpython3.11, libpython3.9-minimal, libpython3.8-dev, python3.8-full, libpython3.6, libpython3.11-stdlib, python3.9, libpython3.9-stdlib, libpython3.7-testsuite, python3.6-minimal, libpython3.12-stdlib, python3.12-minimal, python3.5-doc, python3.9-venv, python3.7-minimal, python3.11-dev, libpython3.7, libpython3.10-stdlib, python3.10-venv, python3.5-venv, idle-python3.8, libpython3.11-minimal, libpython3.10-testsuite, libpython3.12-dev, libpython3.10-dev, python3.7-doc, python3.12-dev, python3.6-venv, libpython3.9, libpython3.6-testsuite, python3.11, libpython3.5-stdlib, python3.6-doc, libpython3.8, python3.6-examples, python3.10, libpython3.7-minimal, idle-python3.11, libpython3.5-minimal, libpython3.7-dev, libpython3.8-minimal, python3.5-dev, idle-python3.10, python3.11-venv, python3.9-dev, python3.10-full, python3.5, python3.11-minimal, python3.12-venv, python3.9-doc, python3.10-doc, python3.7-dev, python3.11-nopie, python3.7-examples, libpython3.11-dev, python3.12-examples, python3.8-venv, idle-python3.6, libpython3.9-testsuite, libpython3.8-stdlib, idle-python3.7, libpython3.6-dev, python3.8-dev, libpython3.6-stdlib, idle-python3.12, python3.12-doc, libpython3.8-testsuite, libpython3.10-minimal, python3.8-doc, libpython3.6-minimal, libpython3.5-testsuite, python3.10-nopie, libpython3.11-testsuite, python3.9-full, python3.5-examples
- USN-5342-3: python3.7, python3.7-dev, python3.7-minimal, python3.7-doc, libpython3.7-testsuite, libpython3.7-minimal, libpython3.7-stdlib, idle-python3.7, libpython3.7, python3.7-examples, libpython3.7-dev, python3.7-venv