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Ubuntu Security Notice USN-3643-2
May 09, 2018

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

- Ubuntu 12.04 ESM

Summary:

Wget could be made to inject arbitrary cookie values.

Software Description:
- wget: retrieves files from the web

Details:

USN-3643-1 fixed a vulnerability in Wget. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 It was discovered that Wget incorrectly handled certain inputs.
 An attacker could possibly use this to inject arbitrary cookie values.

Update instructions:

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

Ubuntu 12.04 ESM:
  wget                            1.13.4-2ubuntu1.6

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

References:
  https://usn.ubuntu.com/usn/usn-3643-2
  https://usn.ubuntu.com/usn/usn-3643-1
  CVE-2018-0494