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Sicherheit: Zwei Probleme in Python
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in Python
ID: USN-4754-1
Distribution: Ubuntu
Plattformen: Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 14.04 ESM, Ubuntu 20.04 LTS, Ubuntu 20.10
Datum: Fr, 26. Februar 2021, 00:08
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27619
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3177
Applikationen: Python

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-4754-1
February 25, 2021

python2.7, python3.4, python3.5, python3.6, python3.8 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM

Summary:

Python could be made to execute arbitrary code or denial of service if it
received a specially crafted input.

Software Description:
- python3.8: Interactive high-level object-oriented language (version 3.8)
- python2.7: 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
or cause a denial of service. (CVE-2020-27619, CVE-2021-3177)

Update instructions:

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

Ubuntu 20.10:
python3.8 3.8.6-1ubuntu0.2
python3.8-minimal 3.8.6-1ubuntu0.2

Ubuntu 20.04 LTS:
python3.8 3.8.5-1~20.04.2
python3.8-minimal 3.8.5-1~20.04.2

Ubuntu 18.04 LTS:
python2.7 2.7.17-1~18.04ubuntu1.3
python2.7-minimal 2.7.17-1~18.04ubuntu1.3
python3.6 3.6.9-1~18.04ubuntu1.4
python3.6-minimal 3.6.9-1~18.04ubuntu1.4

Ubuntu 16.04 LTS:
python2.7 2.7.12-1ubuntu0~16.04.14
python2.7-minimal 2.7.12-1ubuntu0~16.04.14
python3.5 3.5.2-2ubuntu0~16.04.13
python3.5-minimal 3.5.2-2ubuntu0~16.04.13

Ubuntu 14.04 ESM:
python2.7 2.7.6-8ubuntu0.6+esm8
python2.7-minimal 2.7.6-8ubuntu0.6+esm8
python3.4 3.4.3-1ubuntu1~14.04.7+esm10
python3.4-minimal 3.4.3-1ubuntu1~14.04.7+esm10

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

References:
https://usn.ubuntu.com/4754-1
CVE-2020-27619, CVE-2021-3177

Package Information:
https://launchpad.net/ubuntu/+source/python3.8/3.8.6-1ubuntu0.2
https://launchpad.net/ubuntu/+source/python3.8/3.8.5-1~20.04.2
https://launchpad.net/ubuntu/+source/python2.7/2.7.17-1~18.04ubuntu1.3
https://launchpad.net/ubuntu/+source/python3.6/3.6.9-1~18.04ubuntu1.4
https://launchpad.net/ubuntu/+source/python2.7/2.7.12-1ubuntu0~16.04.14
https://launchpad.net/ubuntu/+source/python3.5/3.5.2-2ubuntu0~16.04.13

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