[USN-3605-1] Sharutils vulnerability

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-3605-1
March 22, 2018

sharutils vulnerability
==========================================================================

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

- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Sharutils could be made to execute arbitrary code if it opened a
specially crafted file.

Software Description:
- sharutils: shar, unshar, uuencode, uudecode

Details:

It was discovered that Sharutils incorrectly handled certain files. An
attacker could possibly use this to execute arbitrary code.

Update instructions:

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

Ubuntu 17.10:
  sharutils                       1:4.15.2-2ubuntu0.1

Ubuntu 16.04 LTS:
  sharutils                       1:4.15.2-1ubuntu0.1

Ubuntu 14.04 LTS:
  sharutils                       1:4.14-1ubuntu1.1

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

References:
  https://usn.ubuntu.com/usn/usn-3605-1
  CVE-2018-1000097

Package Information:
  https://launchpad.net/ubuntu/+source/sharutils/1:4.15.2-2ubuntu0.1
  https://launchpad.net/ubuntu/+source/sharutils/1:4.15.2-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/sharutils/1:4.14-1ubuntu1.1
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