Ubuntu alert USN-4120-1 (systemd)

From:
             
 
Chris Coulson <chris.coulson@canonical.com> 
To:
             
 
ubuntu-security-announce@lists.ubuntu.com 
Subject:
             
 
[USN-4120-1] systemd vulnerability 
Date:
             
 
Tue, 3 Sep 2019 23:39:51 +0100
Message-ID:
             
 
<5e1b3733-da82-1d1b-6bd4-4022f5464c99@canonical.com>
==========================================================================
Ubuntu Security Notice USN-4120-1
September 03, 2019

systemd vulnerability
==========================================================================

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

- Ubuntu 19.04
- Ubuntu 18.04 LTS

Summary:

systemd-resolved would allow unprivileged users to change DNS settings.

Software Description:
- systemd: system and service manager

Details:

It was discovered that the systemd-resolved D-Bus interface did not
enforce appropriate access controls. A local unprivileged user could
exploit this to modify a system's DNS resolver settings.

Update instructions:

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

Ubuntu 19.04:
  systemd                         240-6ubuntu5.6

Ubuntu 18.04 LTS:
  systemd                         237-3ubuntu10.28

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  https://usn.ubuntu.com/4120-1
  CVE-2019-15718

Package Information:
  https://launchpad.net/ubuntu/+source/systemd/240-6ubuntu5.6
  https://launchpad.net/ubuntu/+source/systemd/237-3ubuntu1...

-- 
ubuntu-security-announce mailing list
ubuntu-security-announce@lists.ubuntu.com
Modify settings or unsubscribe at:
https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...