USN-2788-1: unzip vulnerabilities

Ubuntu Security Notice USN-2788-1

29th October, 2015

unzip vulnerabilities

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

• Ubuntu 15.10
• Ubuntu 15.04
• Ubuntu 14.04 LTS
• Ubuntu 12.04 LTS

Summary

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

Details

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)

Update instructions

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

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

To update your system, please follow these instructions: http://ift.tt/17VXqjU.

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

References

CVE-2015-7696, CVE-2015-7697

from Ubuntu Security Notices http://ift.tt/1keo8gD