[USN-2489-1] unzip vulnerability

Marc Deslauriers marc.deslauriers at canonical.com
Tue Feb 3 18:29:00 UTC 2015

Ubuntu Security Notice USN-2489-1
February 03, 2015

unzip vulnerability

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


Michal Zalewski 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                           6.0-12ubuntu1.2

Ubuntu 14.04 LTS:
  unzip                           6.0-9ubuntu1.2

Ubuntu 12.04 LTS:
  unzip                           6.0-4ubuntu2.2

Ubuntu 10.04 LTS:
  unzip                           6.0-1ubuntu0.2

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


Package Information:

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