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Ubuntu Security Notice USN-5519-1

Ubuntu Security Notice 5519-1 - It was discovered that Python incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code.

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#vulnerability#ubuntu

=========================================================================
Ubuntu Security Notice USN-5519-1
July 14, 2022

python2.7, python3.10, python3.4, python3.5, python3.6, python3.8,
python3.9 vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 22.04 LTS
  • Ubuntu 21.10
  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Summary:

Python could be made to run arbitrary code if it received a specially
crafted input.

Software Description:

  • python2.7: An interactive high-level object-oriented language
  • python3.10: Interactive high-level object-oriented language (version 3.10)
  • python3.9: Interactive high-level object-oriented language (version 3.9)
  • python3.8: An interactive high-level object-oriented language
  • python3.6: An interactive high-level object-oriented language
  • python3.5: An interactive high-level object-oriented language
  • python3.4: An interactive high-level object-oriented language

Details:

It was discovered that Python incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 22.04 LTS:
python2.7 2.7.18-13ubuntu1.1
python2.7-minimal 2.7.18-13ubuntu1.1
python3.10 3.10.4-3ubuntu0.1
python3.10-minimal 3.10.4-3ubuntu0.1

Ubuntu 21.10:
python2.7 2.7.18-8ubuntu0.2
python2.7-minimal 2.7.18-8ubuntu0.2
python3.9 3.9.7-2ubuntu0.1
python3.9-minimal 3.9.7-2ubuntu0.1

Ubuntu 20.04 LTS:
python2.7 2.7.18-1~20.04.3
python2.7-minimal 2.7.18-1~20.04.3
python3.8 3.8.10-0ubuntu1~20.04.5
python3.8-minimal 3.8.10-0ubuntu1~20.04.5

Ubuntu 18.04 LTS:
python2.7 2.7.17-1~18.04ubuntu1.8
python2.7-minimal 2.7.17-1~18.04ubuntu1.8
python3.6 3.6.9-1~18.04ubuntu1.8
python3.6-minimal 3.6.9-1~18.04ubuntu1.8

Ubuntu 16.04 ESM:
python2.7 2.7.12-1ubuntu0~16.04.18+esm2
python2.7-minimal 2.7.12-1ubuntu0~16.04.18+esm2
python3.5 3.5.2-2ubuntu0~16.04.13+esm3
python3.5-minimal 3.5.2-2ubuntu0~16.04.13+esm3

Ubuntu 14.04 ESM:
python2.7 2.7.6-8ubuntu0.6+esm11
python2.7-minimal 2.7.6-8ubuntu0.6+esm11
python3.4 3.4.3-1ubuntu1~14.04.7+esm13
python3.4-minimal 3.4.3-1ubuntu1~14.04.7+esm13

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-5519-1
CVE-2015-20107

Package Information:
https://launchpad.net/ubuntu/+source/python2.7/2.7.18-13ubuntu1.1
https://launchpad.net/ubuntu/+source/python3.10/3.10.4-3ubuntu0.1
https://launchpad.net/ubuntu/+source/python2.7/2.7.18-8ubuntu0.2
https://launchpad.net/ubuntu/+source/python3.9/3.9.7-2ubuntu0.1
https://launchpad.net/ubuntu/+source/python2.7/2.7.18-1~20.04.3
https://launchpad.net/ubuntu/+source/python3.8/3.8.10-0ubuntu1~20.04.5
https://launchpad.net/ubuntu/+source/python2.7/2.7.17-1~18.04ubuntu1.8
https://launchpad.net/ubuntu/+source/python3.6/3.6.9-1~18.04ubuntu1.8

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