Ubuntu Security Notice USN-2879-1
21st 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 version:
- 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
Source: ubuntu-usn
