Ubuntu Security Notice USN-3012-1
20th June, 2016
wget vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 16.04 LTS
- Ubuntu 15.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
Wget could be made to overwrite files.
Software description
- wget
– retrieves files from the web
Details
Dawid Golunski discovered that Wget incorrectly handled filenames when
being redirected from an HTTP to an FTP URL. A malicious server could
possibly use this issue to overwrite local files.
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 16.04 LTS:
-
wget
1.17.1-1ubuntu1.1
- Ubuntu 15.10:
-
wget
1.16.1-1ubuntu1.1
- Ubuntu 14.04 LTS:
-
wget
1.15-1ubuntu1.14.04.2
- Ubuntu 12.04 LTS:
-
wget
1.13.4-2ubuntu1.4
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.