[USN-3684-1] Perl vulnerability

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-3684-1
June 13, 2018

perl vulnerability
==========================================================================

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

- Ubuntu 18.04 LTS
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Perl could be made to overwrite arbitrary files if it received
a specially crafted archive file.

Software Description:
- perl: Practical Extraction and Report Language

Details:

It was discovered that Perl incorrectly handled certain archive files.
An attacker could possibly use this to overwrite arbitrary files.

Update instructions:

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

Ubuntu 18.04 LTS:
  perl                            5.26.1-6ubuntu0.1

Ubuntu 17.10:
  perl                            5.26.0-8ubuntu1.2

Ubuntu 16.04 LTS:
  perl                            5.22.1-9ubuntu0.5

Ubuntu 14.04 LTS:
  perl                            5.18.2-2ubuntu1.6

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

References:
  https://usn.ubuntu.com/usn/usn-3684-1
  CVE-2018-12015

Package Information:
  https://launchpad.net/ubuntu/+source/perl/5.26.1-6ubuntu0.1
  https://launchpad.net/ubuntu/+source/perl/5.26.0-8ubuntu1.2
  https://launchpad.net/ubuntu/+source/perl/5.22.1-9ubuntu0.5
  https://launchpad.net/ubuntu/+source/perl/5.18.2-2ubuntu1.6
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