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Sicherheit: Mehrere Probleme in Python
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in Python
ID: USN-3817-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS
Datum: Di, 13. November 2018, 18:48
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1060
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000802
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14647
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000030
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1061
Applikationen: Python

Originalnachricht

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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <ccb44c5d-d239-7d08-abdd-dc0dc4725add@canonical.com>
Subject: [USN-3817-1] Python vulnerabilities

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==========================================================================
Ubuntu Security Notice USN-3817-1
November 13, 2018

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

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

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Python.

Software Description:
- python2.7: 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 large amounts of data. A
remote attacker could use this issue to cause Python to crash, resulting in
a denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2018-1000030)

It was discovered that Python incorrectly handled running external commands
in the shutil module. A remote attacker could use this issue to cause
Python to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2018-1000802)

It was discovered that Python incorrectly used regular expressions
vulnerable to catastrophic backtracking. A remote attacker could possibly
use this issue to cause a denial of service. This issue only affected
Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2018-1060, CVE-2018-1061)

It was discovered that Python failed to initialize Expat's hash salt. A
remote attacker could possibly use this issue to cause hash collisions,
leading to a denial of service. (CVE-2018-14647)

Update instructions:

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

Ubuntu 18.04 LTS:
python2.7 2.7.15~rc1-1ubuntu0.1
python2.7-minimal 2.7.15~rc1-1ubuntu0.1

Ubuntu 16.04 LTS:
python2.7 2.7.12-1ubuntu0~16.04.4
python2.7-minimal 2.7.12-1ubuntu0~16.04.4
python3.5 3.5.2-2ubuntu0~16.04.5
python3.5-minimal 3.5.2-2ubuntu0~16.04.5

Ubuntu 14.04 LTS:
python2.7 2.7.6-8ubuntu0.5
python2.7-minimal 2.7.6-8ubuntu0.5
python3.4 3.4.3-1ubuntu1~14.04.7
python3.4-minimal 3.4.3-1ubuntu1~14.04.7

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

References:
https://usn.ubuntu.com/usn/usn-3817-1
CVE-2018-1000030, CVE-2018-1000802, CVE-2018-1060, CVE-2018-1061,
CVE-2018-14647

Package Information:
https://launchpad.net/ubuntu/+source/python2.7/2.7.15~rc1-1ubuntu0.1
https://launchpad.net/ubuntu/+source/python2.7/2.7.12-1ubuntu0~16.04.4
https://launchpad.net/ubuntu/+source/python3.5/3.5.2-2ubuntu0~16.04.5
https://launchpad.net/ubuntu/+source/python2.7/2.7.6-8ubuntu0.5
https://launchpad.net/ubuntu/+source/python3.4/3.4.3-1ubuntu1~14.04.7


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