=========================================================================Ubuntu Security Notice USN-2171-1
April 23, 2014
rsync vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
Summary:
rsync could be made to consume resources if it received specially crafted
network traffic.
Software Description:
- rsync: fast, versatile, remote (and local) file-copying tool
Details:
Ryan Finnie discovered that the rsync daemon incorrectly handled invalid
usernames. A remote attacker could use this issue to cause rsync to consume
resources, resulting in a denial of service.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.04 LTS:
rsync 3.1.0-2ubuntu0.1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-2171-1
CVE-2014-2855
Package Information:
https://launchpad.net/ubuntu/+source/rsync/3.1.0-2ubuntu0.1