USN-2393-1: Wget vulnerability

30 October 2014

wget vulnerability

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

  • Ubuntu 14.10
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS

Summary

Wget could be made to overwrite files.

Software Description

  • wget - retrieves files from the web

Details

HD Moore discovered that Wget contained a path traversal vulnerability when downloading symlinks using FTP. A malicious remote FTP server or a man in the middle could use this issue to cause Wget to overwrite arbitrary files, possibly leading to arbitrary code execution.

Update instructions

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

Ubuntu 14.10
wget - 1.15-1ubuntu1.14.10.1
Ubuntu 14.04 LTS
wget - 1.15-1ubuntu1.14.04.1
Ubuntu 12.04 LTS
wget - 1.13.4-2ubuntu1.2
Ubuntu 10.04 LTS
wget - 1.12-1.1ubuntu2.2

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.

References