========================================================================== Ubuntu Security Notice USN-2788-1 October 29, 2015
A security issue affects these releases of Ubuntu and its derivatives:
unzip could be made to crash or run programs as your login if it opened a specially crafted file.
Software Description: - unzip: De-archiver for .zip files
Gustavo Grieco discovered that unzip incorrectly handled certain password protected archives. If a user or automated system were tricked into processing a specially crafted zip archive, an attacker could possibly execute arbitrary code. (CVE-2015-7696)
Gustavo Grieco discovered that unzip incorrectly handled certain malformed archives. If a user or automated system were tricked into processing a specially crafted zip archive, an attacker could possibly cause unzip to hang, resulting in a denial of service. (CVE-2015-7697)
The problem can be corrected by updating your system to the following package versions:
Ubuntu 15.10: unzip 6.0-17ubuntu1.1
Ubuntu 15.04: unzip 6.0-13ubuntu3.1
Ubuntu 14.04 LTS: unzip 6.0-9ubuntu1.4
Ubuntu 12.04 LTS: unzip 6.0-4ubuntu2.4
In general, a standard system update will make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-2788-1 CVE-2015-7696, CVE-2015-7697
Package Information: https://launchpad.net/ubuntu/+source/unzip/6.0-17ubuntu1.1 https://launchpad.net/ubuntu/+source/unzip/6.0-13ubuntu3.1 https://launchpad.net/ubuntu/+source/unzip/6.0-9ubuntu1.4 https://launchpad.net/ubuntu/+source/unzip/6.0-4ubuntu2.4
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