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Ubuntu Security Notice USN-3012-1
June 20, 2016

wget vulnerability
==========================================================================

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

– Ubuntu 16.04 LTS
– Ubuntu 15.10
– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS

Summary:

Wget could be made to overwrite files.

Software Description:
– wget: retrieves files from the web

Details:

Dawid Golunski discovered that Wget incorrectly handled filenames when
being redirected from an HTTP to an FTP URL. A malicious server could
possibly use this issue to overwrite local files.

Update instructions:

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

Ubuntu 16.04 LTS:
wget 1.17.1-1ubuntu1.1

Ubuntu 15.10:
wget 1.16.1-1ubuntu1.1

Ubuntu 14.04 LTS:
wget 1.15-1ubuntu1.14.04.2

Ubuntu 12.04 LTS:
wget 1.13.4-2ubuntu1.4

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

References:
http://www.ubuntu.com/usn/usn-3012-1
CVE-2016-4971

Package Information:
https://launchpad.net/ubuntu/+source/wget/1.17.1-1ubuntu1.1
https://launchpad.net/ubuntu/+source/wget/1.16.1-1ubuntu1.1
https://launchpad.net/ubuntu/+source/wget/1.15-1ubuntu1.14.04.2
https://launchpad.net/ubuntu/+source/wget/1.13.4-2ubuntu1.4

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