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Ubuntu Security Notice USN-3496-3

Ubuntu Security Notice USN-3496-3
Posted Nov 28, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3496-3 - USN-3496-1 fixed a vulnerability in Python2.7. This update provides the corresponding update for versions 3.4 and 3.5. It was discovered that Python incorrectly handled decoding certain strings. An attacker could possibly use this issue to execute arbitrary code. Various other issues were also addressed.

tags | advisory, arbitrary, python
systems | linux, ubuntu
advisories | CVE-2017-1000158
MD5 | f941682c699f5113e70fcf5b8841ab5e

Ubuntu Security Notice USN-3496-3

Change Mirror Download

===========================================================================
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=C2=A03.5.3-1ubuntu0~17.04.2
python3.5-minimal=C2=A03.5.3-1ubuntu0~17.04.2

Ubuntu 16.04 LTS:
python3.5=C2=A03.5.2-2ubuntu0~16.04.4
python3.5-minimal=C2=A03.5.2-2ubuntu0~16.04.4

Ubuntu 14.04 LTS:
python3.4=C2=A03.4.3-1ubuntu1~14.04.6
python3.4-minimal=C2=A03.4.3-1ubuntu1~14.04.6

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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