[USN-3807-1] NetworkManager vulnerability
Marc Deslauriers
marc.deslauriers at canonical.com
Mon Nov 5 15:16:54 UTC 2018
==========================================================================
Ubuntu Security Notice USN-3807-1
November 05, 2018
network-manager vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary:
NetworkManager could be made to crash or run programs if it received
specially crafted network traffic.
Software Description:
- network-manager: Network connection manager
Details:
Felix Wilhelm discovered that the NetworkManager internal DHCPv6 client
incorrectly handled certain DHCPv6 messages. In non-default configurations
where the internal DHCP client is enabled, an attacker on the same network
could use this issue to cause NetworkManager to crash, resulting in a
denial of service, or possibly execute arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.10:
network-manager 1.12.4-1ubuntu1.1
Ubuntu 18.04 LTS:
network-manager 1.10.6-2ubuntu1.1
Ubuntu 16.04 LTS:
network-manager 1.2.6-0ubuntu0.16.04.3
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://usn.ubuntu.com/usn/usn-3807-1
CVE-2018-15688
Package Information:
https://launchpad.net/ubuntu/+source/network-manager/1.12.4-1ubuntu1.1
https://launchpad.net/ubuntu/+source/network-manager/1.10.6-2ubuntu1.1
https://launchpad.net/ubuntu/+source/network-manager/1.2.6-0ubuntu0.16.04.3
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