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Ubuntu Security Notice USN-3012-1

Ubuntu Security Notice USN-3012-1
Posted Jun 21, 2016
Authored by Ubuntu, Dawid Golunski | Site security.ubuntu.com

Ubuntu Security Notice 3012-1 - 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.

tags | advisory, web, local
systems | linux, ubuntu
advisories | CVE-2016-4971
MD5 | 566d6508eaba1dbcf5286cfd6133c649

Ubuntu Security Notice USN-3012-1

Change Mirror Download
============================================================================
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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