Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 524
Alerts This Week
Warning Icon 1 524

Ubuntu 15.10 USN-2879-1 Moderate: Rsync File Writing Issue

ubuntu
Calendar Grey January 21, 2016
Scroller Ubuntu
Ubuntu Security Notice USN-2879-1 details an rsync issue that permits file writing outside expected directories.
rsync could be made to write files outside of the expected directory.

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

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-2879-1

CVE-2014-9512

January 21, 2016

Package Information

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.