[USN-3458-1] ICU vulnerability

Leonidas S. Barbosa leo.barbosa at canonical.com
Mon Oct 23 17:42:31 UTC 2017


==========================================================================
Ubuntu Security Notice USN-3458-1
October 23, 2017

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

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

- Ubuntu 17.10
- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

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:

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 17.10:
  libicu57                        57.1-6ubuntu0.2

Ubuntu 17.04:
  libicu57                        57.1-5ubuntu0.2

Ubuntu 16.04 LTS:
  libicu55                        55.1-7ubuntu0.3

Ubuntu 14.04 LTS:
  libicu52                        52.1-3ubuntu0.7

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

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

Package Information:
  https://launchpad.net/ubuntu/+source/icu/57.1-6ubuntu0.2
  https://launchpad.net/ubuntu/+source/icu/57.1-5ubuntu0.2
  https://launchpad.net/ubuntu/+source/icu/55.1-7ubuntu0.3
  https://launchpad.net/ubuntu/+source/icu/52.1-3ubuntu0.7
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