USN-2879-1: rsync vulnerability

21 January 2016

rsync vulnerability

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

rsync could be made to write files outside of the expected directory.

Software Description

  • rsync - fast, versatile, remote (and local) file-copying tool

Details

It was discovered that rsync incorrectly handled invalid filenames. A malicious server could use this issue to write files outside of the intended destination directory.

Update instructions

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

Ubuntu 15.10
rsync - 3.1.1-3ubuntu0.15.10.1
Ubuntu 15.04
rsync - 3.1.1-3ubuntu0.15.04.1
Ubuntu 14.04 LTS
rsync - 3.1.0-2ubuntu0.2
Ubuntu 12.04 LTS
rsync - 3.0.9-1ubuntu1.1

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