[USN-3943-1] Wget vulnerabilities

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-3943-1
April 08, 2019

wget vulnerabilities
==========================================================================

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

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Wget.

Software Description:
- wget: retrieves files from the web

Details:

It was discovered that Wget incorrectly handled certain inputs.
An attacker could possibly use this issue to access sensitive
information. This issue only affected Ubuntu 18.04 LTS and
Ubuntu 18.10. (CVE-2018-20483)

Kusano Kazuhiko discovered that Wget incorrectly handled certain
inputs. An attacker could possibly use this issue to execute arbitrary
code. (CVE-2019-5953)

Update instructions:

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

Ubuntu 18.10:
  wget                            1.19.5-1ubuntu1.1

Ubuntu 18.04 LTS:
  wget                            1.19.4-1ubuntu2.2

Ubuntu 16.04 LTS:
  wget                            1.17.1-1ubuntu1.5

Ubuntu 14.04 LTS:
  wget                            1.15-1ubuntu1.14.04.5

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

References:
  https://usn.ubuntu.com/usn/usn-3943-1
  CVE-2018-20483, CVE-2019-5953

Package Information:
  https://launchpad.net/ubuntu/+source/wget/1.19.5-1ubuntu1.1
  https://launchpad.net/ubuntu/+source/wget/1.19.4-1ubuntu2.2
  https://launchpad.net/ubuntu/+source/wget/1.17.1-1ubuntu1.5
  https://launchpad.net/ubuntu/+source/wget/1.15-1ubuntu1.14.04.5
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