[USN-2788-1] unzip vulnerabilities
Marc Deslauriers
marc.deslauriers at canonical.com
Thu Oct 29 17:28:30 UTC 2015
==========================================================================
Ubuntu Security Notice USN-2788-1
October 29, 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 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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