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Ubuntu Security Notice USN-2502-1
February 17, 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

Summary:

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

Software Description:

• unzip: De-archiver for .zip files

Details:

William Robinet 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 6.0-12ubuntu1.3

Ubuntu 14.04 LTS:
unzip 6.0-9ubuntu1.3

Ubuntu 12.04 LTS:
unzip 6.0-4ubuntu2.3

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

References:
http://www.ubuntu.com/usn/usn-2502-1
CVE-2015-1315

Package Information:
https://launchpad.net/ubuntu/+source/unzip/6.0-12ubuntu1.3
https://launchpad.net/ubuntu/+source/unzip/6.0-9ubuntu1.3
https://launchpad.net/ubuntu/+source/unzip/6.0-4ubuntu2.3

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