Ubuntu Security Notice USN-2502-1
17th February, 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 version:
- 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
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.