[USN-2472-1] unzip vulnerabilities

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-2472-1
January 14, 2015

unzip vulnerabilities
==========================================================================

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

- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

unzip could be made to crash or run programs if it opened a specially
crafted file.

Software Description:
- unzip: De-archiver for .zip files

Details:

Wolfgang Ettlinger discovered that unzip incorrectly handled certain
malformed zip archives. If a user or automated system were tricked into
processing a specially crafted zip archive, an attacker could possibly
execute arbitrary code.

Update instructions:

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

Ubuntu 14.10:
  unzip                           6.0-12ubuntu1.1

Ubuntu 14.04 LTS:
  unzip                           6.0-9ubuntu1.1

Ubuntu 12.04 LTS:
  unzip                           6.0-4ubuntu2.1

Ubuntu 10.04 LTS:
  unzip                           6.0-1ubuntu0.1

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

References:
  http://www.ubuntu.com/usn/usn-2472-1
  CVE-2014-8139, CVE-2014-8140, CVE-2014-8141

Package Information:
  https://launchpad.net/ubuntu/+source/unzip/6.0-12ubuntu1.1
  https://launchpad.net/ubuntu/+source/unzip/6.0-9ubuntu1.1
  https://launchpad.net/ubuntu/+source/unzip/6.0-4ubuntu2.1
  https://launchpad.net/ubuntu/+source/unzip/6.0-1ubuntu0.1


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