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AUSCERT External Security Bulletin Redistribution
ESB-2017.3025
Python vulnerability
29 November 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: python
Publisher: Ubuntu
Operating System: Ubuntu
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2017-1000158
Original Bulletin:
http://www.ubuntu.com/usn/usn-3496-1
http://www.ubuntu.com/usn/usn-3496-2
http://www.ubuntu.com/usn/usn-3496-3
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running python check for an updated version of the software for
their operating system.
This bulletin contains three (3) Ubuntu security advisories.
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Ubuntu Security Notice USN-3496-1
November 28, 2017
python2.7 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- - Ubuntu 17.04
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS
Summary:
Python could be made to run arbitrary code.
Software Description:
- - python2.7: An interactive high-level object-oriented language
Details:
It was discovered that Python incorrectly handled decoding certain
strings. 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 17.04:
 python2.7                       2.7.13-2ubuntu0.1
 python2.7-minimal               2.7.13-2ubuntu0.1
Ubuntu 16.04 LTS:
 python2.7                       2.7.12-1ubuntu0~16.04.2
 python2.7-minimal               2.7.12-1ubuntu0~16.04.2
Ubuntu 14.04 LTS:
 python2.7                       2.7.6-8ubuntu0.4
 python2.7-minimal               2.7.6-8ubuntu0.4
In general, a standard system update will make all the necessary
changes.
References:
 https://www.ubuntu.com/usn/usn-3496-1
 CVE-2017-1000158
Package Information:
 https://launchpad.net/ubuntu/+source/python2.7/2.7.13-2ubuntu0.1
 https://launchpad.net/ubuntu/+source/python2.7/2.7.12-1ubuntu0~16.04.2
 https://launchpad.net/ubuntu/+source/python2.7/2.7.6-8ubuntu0.4
- -------------------------------------------------------------------------
==========================================================================
Ubuntu Security Notice USN-3496-2
November 28, 2017
python2.7 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- - Ubuntu 12.04 ESM
Summary:
Python could be made to run arbitrary code.
Software Description:
- - python2.7: An interactive high-level object-oriented language
Details:
USN-3496-1 fixed a vulnerability in Python. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:
 It was discovered that Python incorrectly handled decoding certain
 strings. 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 12.04 ESM:
 python2.7                       2.7.3-0ubuntu3.10
 python2.7-minimal               2.7.3-0ubuntu3.10
In general, a standard system update will make all the necessary
changes.
References:
 https://www.ubuntu.com/usn/usn-3496-2
 https://www.ubuntu.com/usn/usn-3496-1
 CVE-2017-1000158
- ------------------------------------------------------------------------
==========================================================================
Ubuntu Security Notice USN-3496-3
November 28, 2017
python3.4, python3.5 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- - Ubuntu 17.04
- - Ubuntu 16.04 LTS
- - Ubuntu 14.04 LTS
Summary:
Python could be made to run arbitrary code.
Software Description:
- - python3.5: An interactive high-level object-oriented language
- - python3.4: An interactive high-level object-oriented language
Details:
USN-3496-1 fixed a vulnerability in Python2.7. This update provides
the corresponding update for versions 3.4 and 3.5.
Original advisory details:
 It was discovered that Python incorrectly handled decoding certain
 strings. 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 17.04:
 python3.5                       3.5.3-1ubuntu0~17.04.2
 python3.5-minimal               3.5.3-1ubuntu0~17.04.2
Ubuntu 16.04 LTS:
 python3.5                       3.5.2-2ubuntu0~16.04.4
 python3.5-minimal               3.5.2-2ubuntu0~16.04.4
Ubuntu 14.04 LTS:
 python3.4                       3.4.3-1ubuntu1~14.04.6
 python3.4-minimal               3.4.3-1ubuntu1~14.04.6
In general, a standard system update will make all the necessary
changes.
References:
 https://www.ubuntu.com/usn/usn-3496-3
 https://www.ubuntu.com/usn/usn-3496-1
 CVE-2017-1000158
Package Information:
 https://launchpad.net/ubuntu/+source/python3.5/3.5.3-1ubuntu0~17.04.2
 https://launchpad.net/ubuntu/+source/python3.5/3.5.2-2ubuntu0~16.04.4
 https://launchpad.net/ubuntu/+source/python3.4/3.4.3-1ubuntu1~14.04.6
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