[USN-3458-2] ICU vulnerability

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-3458-2
October 23, 2017

icu vulnerability
==========================================================================

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

- Ubuntu 12.04 ESM

Summary:

ICU could be made to crash or run arbitrary code as your login
if it received specially crafted input.

Software Description:
- icu: International Components for Unicode library

Details:

USN-3458-1 fixed a vulnerability in ICU. This update
provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

 It was discovered that ICU incorrectly handled certain inputs. If an
 application using ICU processed crafted data, a remote attacker could
 possibly cause it to crash or potentially execute arbitrary code with
 the privileges of the user invoking the program.

Update instructions:

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

Ubuntu 12.04 ESM:
  lib32icu48                      4.8.1.1-3ubuntu0.9
  libicu48                        4.8.1.1-3ubuntu0.9

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

References:
  https://www.ubuntu.com/usn/usn-3458-2
  https://www.ubuntu.com/usn/usn-3458-1
  CVE-2017-14952
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